تويت
"ابو رنيم العسيري ييحيكم"
مساء الخير هذي اسئلة اختبارات سابقة لفنيي المختبر
بأذن الله تستفيدو منها علماً ان الأسئلة غير محلولة والي عندة مزيد ياليت يضيفهاولكم جزيل الشكر
Which of the following culture media is suitable for semi quantitative bacterial count in urine samples :-
a-Mc Conkey agar
b- Blood agar
c-XLD medium
d-Mannitol salt agar
e-CLED medium
The following organisms are lactose fomenters except
a-E. coli
b-Enterobacter cloacae
c-Shigella sonnei
d-Proteus spp.
Bacteriological media can be sterilized in :-
a-Oven
b-Filtration
c-Autoclave
d-Bunsen burner
All of the following are true except :-
a-Agar is inert
b-Nutritious
c-Solidity at 42c
d-Melts at 100c
Primary stain of Gram stain :-
a-Crystal violet
b-Iodine
c-Safranine
The following are used in Gram staining except:-
a-Crystal violet
b-Iodine
c-Safranine
d-Malachite green
Growth of vibrio cholerae on TCBS medium produces colonies :-
a-Yellow colonies
b-Blue colonies
c-Green colonies
d-White colonies
e-Red colonies
On EMB /Mc Conkey agar the Salmonella/Shigella give small colonies , which colour of the following appear
a-Black
b-Pink
c-Yellow
d-Brown
e-Colorless
f-Yellow-brown
Which color do Gram negative appear:-
a-Blue
b-Green
c-Yellow
d-Red
All is true about Enterobacteriaceae except :-
a-They are …… hemolytic and sorbitol
b-Ferments Mannitol
c-grow in Methylene blue medium
d-Inhibited growth with 6.5 % NaCl and/or at temperature
60 %
Which of the following is sterilized in the oven :-
a-Media
b-Sand
c-Water
d-Blood
e-All of the above
All are component of Gram stain procedure except :-
a-Safranine
b-Malachite green
c-Iodine
d-Crystal violet
All are lactose fomenters except :-
a-E.coli
b-Enterobacter cloaceae
c-Proteus spp.
d-Shigella
All are true of campylobacter jejuni or
Which of the following statements about campylobacter
Is false:-
a-Gram negative curved bacilli
b-Slow growth
c-Grow on XLD medium
d-Arranged in pairs
A parasite which does not deposit eggs in the intestine
a- E. vermicularis
b-A. duodenale
c-A. lumbricoides
d-T.saginata
e-T. spiralis
Specimens from a polio victim for culture can be best made on :-
a-Blood
b-Urine
c-Feces
d-CSF
e- Throat / Nasal washing
The best anticoagulant for blood culture specimen is:-
a-Heparin
b-EDTA
c-Oxalate
d-SPS
e-ACD
The vector for leishmanya infection is :-
a-Tsetse fly
b-Sand fly
c-Housefly
d-Anopheles mosquito
e-Reduvid bugs
Beta hemolysis is enhanced when group B Streptococci is streaked at an angle in blood agar plate with :-
a-Streptococci
b-Staph aureus
c-Micrococcus
d-Streptococcus epiedermidis
e-Corynebacterim diphteriae
All statements are true about proteus mirabilis and Proteus vulgaris except :-
Oxidase negative & liquefies gelatin
a-Exhibits swarming on BAP and Mc Conkey's agar
b-Urease positive
c-KCN and N2S positive
d-Positive to INDOLE test
To obtain an isotonic media, sodium chloride content should be :-
a- 0.85 g %
b-0.085 g%
c- 8.5 g%
d- 6.5 g%
e- 0.50g
All is true about Salmonella organism except:-
a- The main reservoir is human
b-Contains O and H antigen
c-Urease , KCN and phenylalanine (negative )
d-H2s positive with gas
e-INDOLE +
Mycobacterium tuberculosis is called acid-fast because :-
a-It is easily stained by Gram stain
b-Once stained , it can not be remove by acid
c-It is easily decolorizes after staining.
d-It is very easy to stain
e-It is stained by an alkaline stain
f-None of the above
g-All of the above
Group B Beta-hemolytic streptococci are differentiated by other streptococcus groups by using :-
a-Optochin
b-Neufeld Quelling reaction.
c-Niacin test
d-Catalase test.
e-Bacitracin sensitivity disc
Most of pathogenic strains of streptococcus belongs to group :-
a-Viridans
b-Beta-hemolytic
c-Alpha-hemolytic
d-Group D
e-Micrococcaciae
Bacterial sterilization of serum can be accomplished by the filtration using a porosity of : -
a- 0.22 u
b- 0.80 u
c- 0.60 u
d- 4.0 u
f- 5.0 u
SELECT THE LETTER OF THE BEST ANSWER
The trophozoite , which contains red blood cells in the cytoplasm , brings to this parasite:-
a-Entamoeba histolytica
b-Entamoeba gingivalis
c-Entamoeba coli
d-Iodamoeba butschlii
e-None of the above
sterilization by the autoclave is best accomplished at
a -1oo c/ 30 minute
b-100c/10 minute
c-200c/30 minute
d-121c/30 minute
e-121c/10 minute
The causative parasite of Egyptian Bilharisiasis
a-Trichomonas Vaginalis
b-Schitosoma haematobium
c-Schitosoma japonicum
d-Schitosoma mansoni
e-All of the above
On EMB and Mc Conkey's agar , the colour of the colonies of Shigella – Salmonella is :-
a-Black
b-Green
c-Pink
d-Yellow
e-Colourless
The IMVIC Reaction of E. coli is
a/ + + - -
b/ - - + +
C/+ + + -
d/+ - + -
Dwarf Tapeworm is known as :-
a-Tania saginata
b-Taenia solium
c-Hymenolepis nana
d-Diphilidium caninum
e-Echinococcus granulosus
The solidifying content of the culture media Is
a-Wax
b-Litmus milk
c-Peptone broth
d-Agar
e-Meat Extract
Micro-organisms that grow at 60 c are classified as :-
a-Psychrophilic
b-Mesophilic
c-Halophilic
d-Thermophilic
e-Saprophilic
A diagnostic finding for Giardia lamblia in stool :-
a-Cyst in stool
b-Cyst and trophozoite in stool
c-Characteristic ova
d-Trophozoite in stool
e-All of the above
Which of the following is an enrichment medium :-
a-CLED
b-BAP
c-MAC
d-Thiocyanate broth
e-Chocolate agar
Which of the following indicates a blood agar plate?
a-Corynebacterium diphteriae
b-Mycobacterium tuberculosis
c-Bordetella pertusis
d-Francisella tularensis
e-None of the above
All are member of the family Enterobacteriaceae except :-
a-Klebsiella pneumonia
b-Yersinia pestis
c-Pseudomonas aeroginosa
d-Shigella dysentriae
e-Campylobacter jejuni
A specific test for staphylococcus aureus is
a-Catalase test
b-Coagulase test
c-Optochin sensitivity test
d-Bacitracin sensitivity test
e-CAMP test
The concentration of agar in the culture medium is :-
a- 10 - 11 %
b- 20 %
c- 50 %
d-60 %
e- 1-2 %
Best for identification of parasite if you can not see it in stool ( Negative in stool )
Concentration Technique
Identification of fertilized eggs in feces
Ascaris Lumbricoides
Causes false negative ABO incomparability/ cross matching :-
a- Deteriorated reagent
b-Not putting antisera c-Under incubation
False positive ABO incompatibility/cross matching
COLD AGGLUTININ
WHY DO WE HAVE TO WASH RED BLOOD CELLS
IN CROSS MATCHING
TO REMOVE AN EXCESS ANTIBODY PRESENT IN THE SAMPLE
IVY METHOD OF BLEEDING TIME
FOR VASCULAR AND PLATELETS ABNORMALITIES(FUNCTION ).
IDENTIFICATION OF LEISHMANYA PARASITE
LYMPH NODE ASPIRATE.
KLEBSIELLA PNEUMONIA
CAPSULATED
NEUTROPHIL
MOST ABUNDANT IN WBCs
HbA
( ADULT HAEMOGLOBIN ) FOR ADULT, DOMINANT IN ADULT
HbF
FETAL HAEMOGLOBIN
BASOPHIL
DEEP PURPLE –BLUE STAIN (GRANULES)
NEUTROPHIL
FIRSTLY INCREASED IN BACTERIAL INFECTIONS
PROLONGED APPLICATION OF TOURNIQUET
VENOUS STASIS INCREASED CALCIUM LEVEL
WHAT IS THE MEANING OF THIS SIGHN ?
HIGHLY FLMMABLE
SOME ORGANISMS ARE TO SAID TO BE PATHOGENIC IF THEY ARE CONTAINING THE FOLLOWING FEATURES :-
A- COAGULASE
B-CATALASE
C-SUGAR
D-ANTIBODIES
STERILIZATION IS BEST DONE BY
121C 15 PSI FOR 15-20 MINUTES
MOST COMMON PATHOGENIC STREPTOCOCCI
A- GROUP A
B- BETA-HAEMOLYTIC
C-ALPHA-HAEMOLYTIC
D-GROUP B
BORDET GENGOU MEDIUM IS BEST FOR
BORDETELLA RETUSIS A-
B-MORAXELLA CATARRHALIS
C-HAEMOPHILUS INFLUENZAE
ORGANISM SOLUBLE IN BILE :-
A-STAPH
B-STREPTOCOCCI
C-PNEUMOCOCCI
( STREPTOCOCCUS PNEUMONIA )
D-HAEMOPHILOUS INFLUENZAE
BEST TIME FOR COLLECTION OF BLOOD FOR MALARIA :-
A-BEFORE AND AFTER PAROXSYM
B-SHORTLY AFTER PAROXSYM
C-LATER PAROXSYM
D-JUST BEFORE PAROXSYM
ELEVATED SERUM CORTISOL MAY INDICATE
CUSHING SYNDROME
SUGAR CAN NOT BE DETECTED IN URINE USING COPPER REDUCTION TEST
A-FRUCTOSE
B-GALACTOSE
C-ARABINOSE
D-SUCROSE
WAVE LENGTH VISIBLE TO NAKED EYE
400-700 nm.
ORGANISM THAT EXHIBITS SATELLITISM ALONG WITH STAPH AUREUS :-
A-HAEMOPHILUS INFLUENZAE
B-SHIGELLA SP.
C-CLOSTIRIDIUM SP.
D-S. PNEUMONIAE
ANTIBODY FOUND IN BLOOD GROUP AB INDIVIDUALS :-
A- ANTI-A
B-ANTI-AB
C-ANTI-B
D-NONE
EGYPTIAN HAEMATURIA IS CAUSED BY :-
A-SCHITOSOMA JAPONICUM
B-SCHITOSOMA HAEMATOBIUM
C-SCHITOSOMA MANSONI
SIGNIFICANT BACTERIURIA :-
> TEN TO THE POWER OF FIVE CFU/ ML
TEST USED TO DIAGNOSE OBSTRUCTIVE BILE DUCT
A-BILIRUBIN
B-BILIVERDIN
C-UROBILINOGEN
D-NONE OF THE ABOVE
TO DIFFERENTIATE BETWEEN NISSERIA GONORRHOEA & NISSERIA MENINGITIDIS
A-DEXTROSE + LACTOSE
B-DEXTROSE + MALTOSE
IN EMB & Mc CONKEY , SALMONELLA & SHIGELLA GIVE THE COLOUR OF THE FOLLOWING :-
A-PINK
B-GREEN
C-COLOURLESS
D-RED
THAYER-MARTIN MEDIA IS THE CHOICE FOR THE ISOLATION OF THE FOLLOWING ORGANISM : -
A-PSEUDOMONAS AEROGINOSA
B-HAEMOPHILUS INFLUENZAE
C-NISSERIA GONORRHOEA
CONFIRMATORY TEST FOR STREPT. PNEUMONIAE :-
A-OPTOCHIN SENSITIVITY DISC
B-BACITRACIN DISC SENSITIVITY
C-BILE SOLUBILITY
D-CATALASE TEST
IN FOLIC ACID DEFICIENCY WHAT HAPPENS TO Rbcs ? :-
A-ENLARGED Rbcs ( MEGALOBLASTIC ANAEMIA )
B-CRENATED Rbcs
C-HAEMOLYZED Rbcs
IN IRON DEFICIENCY ANAEMIA :
Rbcs ARE SMALLER THAN NORMAL = MICROCYTIC
HYPOCHROMIC ANAEMIA
SPECIMEN SUITABLE FOR MICROFILARIAE
A-TISSUE
B-BLOOD
C-FLUID
WHICH OF THE FOLLOWING ORGANISMS IS AN ANAEROBIC BACTERIUM :-
A-CLOSTIRIDIUM SPP.
B-HAEMOPHILUS
C-E. COLI
D-YERSINIA ENTEROCOLITICA
Ig ( IMMUNOGLOBULIN ) INCREASED IN CASE OF
PARASITIC INFECTION & ALLERGY
A- IgG
B-IgA
C-IgM
D-IgE
LEISHMANYA IS TRANSMITTED BY : -
A-SAND FLY
B-TSE TSE FLY
C-ANOPHELES MOSQUITO
THE INFECTIVE STAGE OF ANCYLOSTOMA DUODENALE IS :-
A-EGGS IN STOOL
B-LARVA IN STOOL
C-LARVA IN TISSUE
D-CYSTICERCOUS BOVIS
NUITRIENT AGAR IS :-
A-SELECTIVE MEDIA
B-DIFFERENTIAL MEDIA
C-SPECIAL MEDIA
D-BASIC MEDIA
PURPOSE OF STANDARD DEVIATION : -
A-TO MEASURE EXTERNAL QUALITY CONTROL
B-TO MEASURE INTERNAL QUALITY CONTROL
C-PRECISE & ACCURACY
D-BOTH A & B
THE FOLLOWING ORGANISMS ARE ENCPSULATED EXCEPT :-
A-PSEUDOMONAS AEROGINOSA
B-E. COLI
C-HAEMOPHILOUS INFLUENZAE
D-STREPTOCOCCUS PNEUMONIAE
WHICH OF THE FOLLOWING IS PROTECTED FROM LIGHT :-
A-BILIRUBIN
B-CHOLESTEROL
C-TOTAL PROTEIN (TP.)
D-BUN ( BLOOD UREA NITROGEN )
TO DIFFERENTIATE ANTI i FROM ANTI I
A-A1 CELLS
B-A2 CELLS
C-CORD CELLS
D-NONE OF THE ABOVE
WHAT PRACTICAL CARDIOLIPIN IS APPLICABLE IN LABORATORY WORK ?
A-FTA
B-VDRL & RPR
C-RPR ONLY
D-VDRL ONLY
Vi Ag IS SEEN IN :-
A-CAPSULE
B-PILI
C-SPORE
D-FLAGELLA
INFECTIVE STAGE OF ASCARIS :-
A-FERTILIZED EGG
B –RHABDITIFORM LARVA
C-LARVA
HIGHEST Ig IN ELECTROPHORESIS : -
A-IgM (HEAVIER ) 1St
B-IgA
C-IgE
D-IgG
ALL OF THE FOLLOWING CAN ASSES THE LIVER FUNCTION EXCEPT :-
A-AST
B-ALT
C-ALP
D-CREATININE
SUBSTANCE PRESENT IN ANY AGAR PLATE THAT PROMOTES THE BACTERIAL GROWTH :-
A-WATER ( H2O )
B-NITROGEN
C-MINERALS
C-O2
ORGANISMS PRODUCE GAS GANGRENE :-
A-BACILLUS ANTHRACIS
B-CLOSTIRIDIUM PERFRINGENS
C-STREPTOCOCCUS PNEUONIAE
D-HAEMOPHILOS INFLUENZAE
PURINE ASSOCIATED WITH
A-ADENINE
B-GUANINE
C-URIC ACID
D-RNA
Ig CAN CAUSE HDN :-
A-IgM
B-IgA
C-IgE
D-IgG
Ig NOT PART OF ACQUIRED IMMUNITY :-
A-IgM
B-IgA
C-IgE
D-IgG
PROTOZOA THAT IS NOT MOTILE
A-ENTAMOEBA HISTOLYTICA
B-E. COLI
C-GARDIA LAMBLIA
D-TRYPANOSOA CRUZI
ALL CELLS ARE NUCLEATED EXCEPT :-
A-LYMPH
B-MONOCYTES
C-RBCS
D-NEUTROPHIL
THE INTERMEDIATE HOST OF TOXOPLASMA IS :-
A-DOG
B-CAT
C-MOUSE
D-ALL
E-NONE
================================================== ======================================
CROSS-MATCHING
DONOUR PLASMA + PATIENT CELLS
===============================
DONOUR CELLS +PATIENT SERUM
MINOR
--------------
MAJOR
================================================== ======================================
VIRUSES RESEMBLE LIVING THINGS IN THAT THEY :-
A-ARE MOTILE
B-ARE CRYSTALLINE
C-GROW
D-REPRODUCE
ALL ARE TRUE ABOUT ENTEROCOCCI EXCEPT :-
A-HAVE CARBOHYDRATE ANTIGEN OF GROUP D STREPTOCOCCI
B-POSITIVE AESCULIN HYDROLYSIS
C-GROW IN THE PRESCENCE OF BILE SALTS
D-DO NOT GROW IN THE PRESCENCE OF 6.5 % NACL NOR AT 45 C
THE DETERMINATION OF ASO TITRE IS USED IN THE LABORATORY DIAGNOSIS OF :-
A-TOXIC SHOCK SYNDROME
B-SCARLET FEVER
C-STREPTOCOCCAL PHARYNGITIS AND CELLULITIS
E-RHEUMATIC FEVER
SIGNIFICANT BACTERURIA , PURIA , AND ALKALINE URINE PROBABLY INDICATE URINARY TRACT INFECTION DUE TO :-
A-STAPHYLOCOCCUS EPIDERMIDIS
B-E. COLI
C-PROTEUS VULGARIS
D-PSEUDOMONAS AERGINOSA
E-ENTEROCOCCUS FAECALIS
THE ONLY ENRICHMENT MEDIUM OF THE FOLLOWING IS :-
A-BLOOD AGAR
B-CHOCOLATE AGAR
C-CLED ( CYSTINE LACTOSE ELECTROLYTE DEFICIENT )
D-SELENITE-F-BROTH.
STREPTOCOCCI RESPONSIBLE FOR THE MAJORITY OF HUMAN INFECTIONS ARE :-
A-GROUP A
B-BETA-HAEMOLYTIC STREPTOCOCCI
C-BACITRACIN-S AND CAMP ( - )
D-ALL OF THESE
E-NONE OF THESE
TO DIFFERENTIATE BETWEEN NISSERIA GONORRHOEA AND NISSERIA MENINGITIDIS :-
A-FERMENTATION OF DEXTROSE AND LACTOSE
B-FERMENTATION OF DEXTROSE AND MALTOSE
C-FERMENTATION OF MALTOSE AND LACTOSE
D-FERMENTATION OF MALTOSE AND SUCROSE
-
THE BEST SPECIMEN FOR RECOVERY OF POLIOMYELITIS VIRUS FOR CULTURE IS :-
A-CSF
B-BLOOD CLOT
C-THROAT SWAB
D-BUFFY COAT
E-STOOL
F-NONE OF THE ABOVE
G-ALL OF THE ABOVE
THE FINDING OF INGESTED RBCS IN A TROPHOZOITE IDENTIFIES :-
A-ENTAMOEBA COLI
B-ENDOLIMAX NANA
C-ENTAMOEBA HISTOLYTICA
D-IODAMOEBA BUTSCHLII
E-NONE OF THE ABOVE
F-ALL OF THE ABOVE
THE CHROMATOID BODIES RESEMBLE CIGAR-SHAPED OR SAUSAGE-SHAPED IN THE CYST OF :-
A-ENTAMOEBA COLI
B-ENTAMOEBA HISTOLYTICA
C-ENTAMOEBA GINGIVALIS
D-NONE OF THE ABOVE
THE MOST FAVOURABLE TIME TO FIND MALARIAL PARASITE IN BLOOD IS :-
A-THE PERIOD JUST BEFORE OR AT THE BEGINNING OF A PAROXSYM
B-DURING THE LATE PAROXSYMAL STAGE
C-THE PERIOD JUST FOLLOWING PAROXSYM
D-ALL OF THE ABOVE
THE DIAGNOSTIC STAGE FOR THE IDENTIFICATION OF GIARDIA LAMBLIA IN STOOL SAMPLE IS :-
A-CYST
B-TROPHOZOITE
C-CYST AND/ OR TROPHOZOITE
D-ALL OF THE ABOVE
E-NONE OF THE ABOVE
THE MALARIAL SPOROZOITE IN MAN INVADES :-
A-WHITE BLOOD CELLS
B-RBCS
C-RETICULO-ENDOTHELIAL CELLS
D-ALL OF THE ABOVE
WHICH OF THE FOLLOWING ENLARGES RBCS
A-PLASMODIUM VIVAX
B-PLASMODIUM MALARIAE
C-PLASMODIUM FALCIPRUM
D-ALL OF THE ABOVE
MAN MAY ACQUIRE TOXOPLASMA FROM :-
A-MICE
B-CATS
C-DOGS
D-PIGS
ALL LEISHMANYAL INFECTIONS ARE TRANSMITTED BY
A-TSE TSE FLY
B-SAND FLY
C-HOUSE FLY
D-HORSE FLY
WHICH OF THE FOLLOWING NEITHER LAYS EGGS NOR DEPOSITES LARVAE IN THE INTESTINAL CANAL :-
A-HOOKWORMS
B-PINWORM
C-TRICHINELLA SPIRALIS
D-TRICHURIS TRICHURA
IDENTIFIED BY FINDING MAINLY THE RHABDITIFORM LARVAE IN IN FRESH STOOL :-
A-ASCARIS LUMBRICOIDES
B-ENTROBIUS VERMICULARIS
C-STRONGYLOIDES STERCORALIS
D-TRICHINELLA SPIRALIS
THE RESOLUTION OF THE BRIGHT FIELD MICROSCOPE IS :-
A-2.0 um
B-0.2 um
C-0.02um
D-0.002um
BACTERIOLOGICAL CULTURE MEDIA ARE GENERALLY STERILIZED USING :-
A-THE AUTOCLAVE
B-THE OVEN
C-FILTERATION
D-BUNSEN BURNER
SERUM CAN BE STERILIZED USING MEMBRANE FILTER OF POROSITY :-
A-0.22 um
B-2.3um
C-0.6 um
D-0.8 um
THE TEMPERATURE-TIME CYCLE WHEN USING THE AUTOCLAVE TO STERILIZE IS :-
A-121 C FOR 15 - 20 MINUTES
B-112 C FOR 30 - 40 MINUTES
C-135 C FOR 25 - 40 MINUTES
D-100 C FOR15 - 35 MINUTES
WHICH OF THE FOLLOWING STATEMENTS ABOUT CAMPYLOBACTER JEJUNI IS FALSE
A-GRAM NEGATIVE CURVED BACILLI
B-ARRANGED IN PAIRS ( SEE-GULL )
C-SLOW GROWTH
D-GROWS ON XLD MEDIUM
E-INCUBATION TEMPERATURE AT 42 C
DIRECT GRAM-STAINING IS ROUTINELY PERFORMED ON THE FOLLOWING SPECIMENS EXCEPT :-
A-PUS
B-ASPIRATED FLUIDS AND DISHARGES
C-CSF
D-SPUTUM
E-URINE
F-STOOL
BLOOD CULTURE IS INDICATED IN THE FOLLOWING BACTERIAL DISEASES EXCEPT
A-MENINGITIS
B-ENDOCARDITIS
C-GASTROENTERITIS
D-PYELONEPHRITIS
E-PNEUMONIA
ALL ARE TRUE ABOUT BOTH PROTEUS MIRABILIS AND PROTEUS VULGARIS
A-SWARMING ON NUITRIENT AGAR
B-H2S POSITIVE
C-UREASE POSITIVE
D-INDOLE POSITIVE
WHEN USING A 10 X EYE PIECE AND A 10 X OBJECTIVE OF A BRIGHTFIELD MICROSCOPE , THE TOTAL MAGNIFICATION WILL BE :-
A-10
B-100
C-1000
D-10000
WHICH OF THE FOLLOWING MICROSCOPE WOULD YOU USE TO EXAMINE A SMEAR OF BACTERIA STAINED BY GRAM STAIN :-
A-BRIGHTFIELD MICROSCOPE
B-DARKFIELD MICROSCOPE
C-DISSECTING MICROSCOPE
E-FLUORESCENT MICROSCOPE
WHICH OF THE FOLLOWING WOULD YOU USE TO EXAMINE A SMEAR STAINED WITH A FLUOROCHROME
A-BRIGHTFIELD MICROSCOPE
B-DARK FIELD MICROSCOPE
C-POLARIZING MICROSCOPE
D-FLUORSCENT MICROSCOPE
QUELLUNG TEST IS POSITIVE WITH THE FOLLOWING ORGANISMS EXCEPT :-
A-STREPTOCOCCUS PNEUMONIAE
B-HAEMOPHILOUS INFLUENZAE
C-KLEBSIELLA PNEUMMONIAE
D-CORYNEBACTERIUM DIPHTERIAE
GROWTH OF VIBRIO CHOLERAE ON TCBS MEDIUM PRODUCES :-
A-BLUE COLONIES
B-YELLOW COLONIES
C-GREEN COLONIES
D-ORANGE COLONIES
E-WHITE COLONIES
THE FOLLOWING ORGANISMS ARE LACTOSE FERMENTERS EXCEPT :-
A-E. COLI
B-ENTEROBACTER COLACAE
C-SHIGELLA SONNEI
D-PROTEUS SPP.
A- HUMAN IS THE MAIN RESERVOIR OR CARRIER
B-POSSESS O & H ANTIGEN
C-OXIDASE POSITIVE
D-PRODUCES H2S ON TSI, XLD & HE MEDIA
E-PRODUCES ACID FROM GLUCOSE BUT NOT GAS
THE INVASIVENESS OF STREPTOCOCCUS PNEUMONIAE IS DUE TO THE PRODUCTION OF :-
A-HAEMOLSINS
B-ENDOTOXINS
C-EXTOTOXINS
D-POLYSACCHARIDE CAPSULE
THE FOLLOWING ARE MEMBERS OF THE FAMILY ENTEROBACTERIACEAE EXCEPT :-
A-KLEBSIELLA RHINOSCLEROMATIS
B-SERRATIA LIQUEFACIENS
C-PROVIDENCIA ALCALIFACIENS
D-YERSINIA PSEUDOTUBERCULOSIS
E-CAMPYLOBACTER FETUS
IN SIGNIFICANT BACTERIURIA THE CFU/ML IS :-
A-MORE THAN TEN TO THE POWER OF FIVE
B-LESS THAN TEN TO THE POWER OF FIVE
C-MORE THAN TEN TO THE POWER OF THREE
D-LESSTHAN TEN TO THE POWER OF THREE
THE TEST USED TO DIFFERENTIATE PATHOGENIC STAPHYLOCOCCI IS :-
A-CATALASE
B-OXIDASE
C-COAGULASE
D-ASO TITRE
GROUP A STREPTOCOCCI ARE DIFFERENTIATED FROM OTHER BETA-HAEMOLYTIC STREPTOCOCCI BY :-
DISC CONTAINING :-
A-NEOMYCIN
B-OPTOCHIN
C-BACITRACIN
D-NOVOBIOCIN
FOR BLOOD CULTURE THE BEST ANTICOAGULANT IS
A-CITRATE
B-OXALATE
C-SODIUM POLYANESTHOL SULPHONATE
D-HEPARIN
THE ORGANISM WHICH SHOWS SATELLITISM AROUND STAPH AUREUS ON BLOOD AGAR IS
A-HAEMOPHILOUS INFLUENZAE
B-HAEMOPHILOUS DUCREYI
C-BORDETELLA PERTUSIS
D-MORAXELLA ACUNATA
THE IMVIC REACTION OF E. COLI ARE :-
A- + + - -
B- - - + +
C- + + + -
D- - - - +
BLOOD CULTURE MAY BE INDICATED FOR :-
A-CLOSTIRIDIUM TETANI
B-CORYNEBACTERIUM DIPHTERIAE
C-SGIGELLA DYSENTRIAE
D-MYCOBACTERIUM TUBERCULOSIS
E-NONE OF THESE
مساء الخير هذي اسئلة اختبارات سابقة لفنيي المختبر
بأذن الله تستفيدو منها علماً ان الأسئلة غير محلولة والي عندة مزيد ياليت يضيفهاولكم جزيل الشكر
Which of the following culture media is suitable for semi quantitative bacterial count in urine samples :-
a-Mc Conkey agar
b- Blood agar
c-XLD medium
d-Mannitol salt agar
e-CLED medium
The following organisms are lactose fomenters except
a-E. coli
b-Enterobacter cloacae
c-Shigella sonnei
d-Proteus spp.
Bacteriological media can be sterilized in :-
a-Oven
b-Filtration
c-Autoclave
d-Bunsen burner
All of the following are true except :-
a-Agar is inert
b-Nutritious
c-Solidity at 42c
d-Melts at 100c
Primary stain of Gram stain :-
a-Crystal violet
b-Iodine
c-Safranine
The following are used in Gram staining except:-
a-Crystal violet
b-Iodine
c-Safranine
d-Malachite green
Growth of vibrio cholerae on TCBS medium produces colonies :-
a-Yellow colonies
b-Blue colonies
c-Green colonies
d-White colonies
e-Red colonies
On EMB /Mc Conkey agar the Salmonella/Shigella give small colonies , which colour of the following appear
a-Black
b-Pink
c-Yellow
d-Brown
e-Colorless
f-Yellow-brown
Which color do Gram negative appear:-
a-Blue
b-Green
c-Yellow
d-Red
All is true about Enterobacteriaceae except :-
a-They are …… hemolytic and sorbitol
b-Ferments Mannitol
c-grow in Methylene blue medium
d-Inhibited growth with 6.5 % NaCl and/or at temperature
60 %
Which of the following is sterilized in the oven :-
a-Media
b-Sand
c-Water
d-Blood
e-All of the above
All are component of Gram stain procedure except :-
a-Safranine
b-Malachite green
c-Iodine
d-Crystal violet
All are lactose fomenters except :-
a-E.coli
b-Enterobacter cloaceae
c-Proteus spp.
d-Shigella
All are true of campylobacter jejuni or
Which of the following statements about campylobacter
Is false:-
a-Gram negative curved bacilli
b-Slow growth
c-Grow on XLD medium
d-Arranged in pairs
A parasite which does not deposit eggs in the intestine
a- E. vermicularis
b-A. duodenale
c-A. lumbricoides
d-T.saginata
e-T. spiralis
Specimens from a polio victim for culture can be best made on :-
a-Blood
b-Urine
c-Feces
d-CSF
e- Throat / Nasal washing
The best anticoagulant for blood culture specimen is:-
a-Heparin
b-EDTA
c-Oxalate
d-SPS
e-ACD
The vector for leishmanya infection is :-
a-Tsetse fly
b-Sand fly
c-Housefly
d-Anopheles mosquito
e-Reduvid bugs
Beta hemolysis is enhanced when group B Streptococci is streaked at an angle in blood agar plate with :-
a-Streptococci
b-Staph aureus
c-Micrococcus
d-Streptococcus epiedermidis
e-Corynebacterim diphteriae
All statements are true about proteus mirabilis and Proteus vulgaris except :-
Oxidase negative & liquefies gelatin
a-Exhibits swarming on BAP and Mc Conkey's agar
b-Urease positive
c-KCN and N2S positive
d-Positive to INDOLE test
To obtain an isotonic media, sodium chloride content should be :-
a- 0.85 g %
b-0.085 g%
c- 8.5 g%
d- 6.5 g%
e- 0.50g
All is true about Salmonella organism except:-
a- The main reservoir is human
b-Contains O and H antigen
c-Urease , KCN and phenylalanine (negative )
d-H2s positive with gas
e-INDOLE +
Mycobacterium tuberculosis is called acid-fast because :-
a-It is easily stained by Gram stain
b-Once stained , it can not be remove by acid
c-It is easily decolorizes after staining.
d-It is very easy to stain
e-It is stained by an alkaline stain
f-None of the above
g-All of the above
Group B Beta-hemolytic streptococci are differentiated by other streptococcus groups by using :-
a-Optochin
b-Neufeld Quelling reaction.
c-Niacin test
d-Catalase test.
e-Bacitracin sensitivity disc
Most of pathogenic strains of streptococcus belongs to group :-
a-Viridans
b-Beta-hemolytic
c-Alpha-hemolytic
d-Group D
e-Micrococcaciae
Bacterial sterilization of serum can be accomplished by the filtration using a porosity of : -
a- 0.22 u
b- 0.80 u
c- 0.60 u
d- 4.0 u
f- 5.0 u
SELECT THE LETTER OF THE BEST ANSWER
The trophozoite , which contains red blood cells in the cytoplasm , brings to this parasite:-
a-Entamoeba histolytica
b-Entamoeba gingivalis
c-Entamoeba coli
d-Iodamoeba butschlii
e-None of the above
sterilization by the autoclave is best accomplished at
a -1oo c/ 30 minute
b-100c/10 minute
c-200c/30 minute
d-121c/30 minute
e-121c/10 minute
The causative parasite of Egyptian Bilharisiasis
a-Trichomonas Vaginalis
b-Schitosoma haematobium
c-Schitosoma japonicum
d-Schitosoma mansoni
e-All of the above
On EMB and Mc Conkey's agar , the colour of the colonies of Shigella – Salmonella is :-
a-Black
b-Green
c-Pink
d-Yellow
e-Colourless
The IMVIC Reaction of E. coli is
a/ + + - -
b/ - - + +
C/+ + + -
d/+ - + -
Dwarf Tapeworm is known as :-
a-Tania saginata
b-Taenia solium
c-Hymenolepis nana
d-Diphilidium caninum
e-Echinococcus granulosus
The solidifying content of the culture media Is
a-Wax
b-Litmus milk
c-Peptone broth
d-Agar
e-Meat Extract
Micro-organisms that grow at 60 c are classified as :-
a-Psychrophilic
b-Mesophilic
c-Halophilic
d-Thermophilic
e-Saprophilic
A diagnostic finding for Giardia lamblia in stool :-
a-Cyst in stool
b-Cyst and trophozoite in stool
c-Characteristic ova
d-Trophozoite in stool
e-All of the above
Which of the following is an enrichment medium :-
a-CLED
b-BAP
c-MAC
d-Thiocyanate broth
e-Chocolate agar
Which of the following indicates a blood agar plate?
a-Corynebacterium diphteriae
b-Mycobacterium tuberculosis
c-Bordetella pertusis
d-Francisella tularensis
e-None of the above
All are member of the family Enterobacteriaceae except :-
a-Klebsiella pneumonia
b-Yersinia pestis
c-Pseudomonas aeroginosa
d-Shigella dysentriae
e-Campylobacter jejuni
A specific test for staphylococcus aureus is
a-Catalase test
b-Coagulase test
c-Optochin sensitivity test
d-Bacitracin sensitivity test
e-CAMP test
The concentration of agar in the culture medium is :-
a- 10 - 11 %
b- 20 %
c- 50 %
d-60 %
e- 1-2 %
Best for identification of parasite if you can not see it in stool ( Negative in stool )
Concentration Technique
Identification of fertilized eggs in feces
Ascaris Lumbricoides
Causes false negative ABO incomparability/ cross matching :-
a- Deteriorated reagent
b-Not putting antisera c-Under incubation
False positive ABO incompatibility/cross matching
COLD AGGLUTININ
WHY DO WE HAVE TO WASH RED BLOOD CELLS
IN CROSS MATCHING
TO REMOVE AN EXCESS ANTIBODY PRESENT IN THE SAMPLE
IVY METHOD OF BLEEDING TIME
FOR VASCULAR AND PLATELETS ABNORMALITIES(FUNCTION ).
IDENTIFICATION OF LEISHMANYA PARASITE
LYMPH NODE ASPIRATE.
KLEBSIELLA PNEUMONIA
CAPSULATED
NEUTROPHIL
MOST ABUNDANT IN WBCs
HbA
( ADULT HAEMOGLOBIN ) FOR ADULT, DOMINANT IN ADULT
HbF
FETAL HAEMOGLOBIN
BASOPHIL
DEEP PURPLE –BLUE STAIN (GRANULES)
NEUTROPHIL
FIRSTLY INCREASED IN BACTERIAL INFECTIONS
PROLONGED APPLICATION OF TOURNIQUET
VENOUS STASIS INCREASED CALCIUM LEVEL
WHAT IS THE MEANING OF THIS SIGHN ?
HIGHLY FLMMABLE
SOME ORGANISMS ARE TO SAID TO BE PATHOGENIC IF THEY ARE CONTAINING THE FOLLOWING FEATURES :-
A- COAGULASE
B-CATALASE
C-SUGAR
D-ANTIBODIES
STERILIZATION IS BEST DONE BY
121C 15 PSI FOR 15-20 MINUTES
MOST COMMON PATHOGENIC STREPTOCOCCI
A- GROUP A
B- BETA-HAEMOLYTIC
C-ALPHA-HAEMOLYTIC
D-GROUP B
BORDET GENGOU MEDIUM IS BEST FOR
BORDETELLA RETUSIS A-
B-MORAXELLA CATARRHALIS
C-HAEMOPHILUS INFLUENZAE
ORGANISM SOLUBLE IN BILE :-
A-STAPH
B-STREPTOCOCCI
C-PNEUMOCOCCI
( STREPTOCOCCUS PNEUMONIA )
D-HAEMOPHILOUS INFLUENZAE
BEST TIME FOR COLLECTION OF BLOOD FOR MALARIA :-
A-BEFORE AND AFTER PAROXSYM
B-SHORTLY AFTER PAROXSYM
C-LATER PAROXSYM
D-JUST BEFORE PAROXSYM
ELEVATED SERUM CORTISOL MAY INDICATE
CUSHING SYNDROME
SUGAR CAN NOT BE DETECTED IN URINE USING COPPER REDUCTION TEST
A-FRUCTOSE
B-GALACTOSE
C-ARABINOSE
D-SUCROSE
WAVE LENGTH VISIBLE TO NAKED EYE
400-700 nm.
ORGANISM THAT EXHIBITS SATELLITISM ALONG WITH STAPH AUREUS :-
A-HAEMOPHILUS INFLUENZAE
B-SHIGELLA SP.
C-CLOSTIRIDIUM SP.
D-S. PNEUMONIAE
ANTIBODY FOUND IN BLOOD GROUP AB INDIVIDUALS :-
A- ANTI-A
B-ANTI-AB
C-ANTI-B
D-NONE
EGYPTIAN HAEMATURIA IS CAUSED BY :-
A-SCHITOSOMA JAPONICUM
B-SCHITOSOMA HAEMATOBIUM
C-SCHITOSOMA MANSONI
SIGNIFICANT BACTERIURIA :-
> TEN TO THE POWER OF FIVE CFU/ ML
TEST USED TO DIAGNOSE OBSTRUCTIVE BILE DUCT
A-BILIRUBIN
B-BILIVERDIN
C-UROBILINOGEN
D-NONE OF THE ABOVE
TO DIFFERENTIATE BETWEEN NISSERIA GONORRHOEA & NISSERIA MENINGITIDIS
A-DEXTROSE + LACTOSE
B-DEXTROSE + MALTOSE
IN EMB & Mc CONKEY , SALMONELLA & SHIGELLA GIVE THE COLOUR OF THE FOLLOWING :-
A-PINK
B-GREEN
C-COLOURLESS
D-RED
THAYER-MARTIN MEDIA IS THE CHOICE FOR THE ISOLATION OF THE FOLLOWING ORGANISM : -
A-PSEUDOMONAS AEROGINOSA
B-HAEMOPHILUS INFLUENZAE
C-NISSERIA GONORRHOEA
CONFIRMATORY TEST FOR STREPT. PNEUMONIAE :-
A-OPTOCHIN SENSITIVITY DISC
B-BACITRACIN DISC SENSITIVITY
C-BILE SOLUBILITY
D-CATALASE TEST
IN FOLIC ACID DEFICIENCY WHAT HAPPENS TO Rbcs ? :-
A-ENLARGED Rbcs ( MEGALOBLASTIC ANAEMIA )
B-CRENATED Rbcs
C-HAEMOLYZED Rbcs
IN IRON DEFICIENCY ANAEMIA :
Rbcs ARE SMALLER THAN NORMAL = MICROCYTIC
HYPOCHROMIC ANAEMIA
SPECIMEN SUITABLE FOR MICROFILARIAE
A-TISSUE
B-BLOOD
C-FLUID
WHICH OF THE FOLLOWING ORGANISMS IS AN ANAEROBIC BACTERIUM :-
A-CLOSTIRIDIUM SPP.
B-HAEMOPHILUS
C-E. COLI
D-YERSINIA ENTEROCOLITICA
Ig ( IMMUNOGLOBULIN ) INCREASED IN CASE OF
PARASITIC INFECTION & ALLERGY
A- IgG
B-IgA
C-IgM
D-IgE
LEISHMANYA IS TRANSMITTED BY : -
A-SAND FLY
B-TSE TSE FLY
C-ANOPHELES MOSQUITO
THE INFECTIVE STAGE OF ANCYLOSTOMA DUODENALE IS :-
A-EGGS IN STOOL
B-LARVA IN STOOL
C-LARVA IN TISSUE
D-CYSTICERCOUS BOVIS
NUITRIENT AGAR IS :-
A-SELECTIVE MEDIA
B-DIFFERENTIAL MEDIA
C-SPECIAL MEDIA
D-BASIC MEDIA
PURPOSE OF STANDARD DEVIATION : -
A-TO MEASURE EXTERNAL QUALITY CONTROL
B-TO MEASURE INTERNAL QUALITY CONTROL
C-PRECISE & ACCURACY
D-BOTH A & B
THE FOLLOWING ORGANISMS ARE ENCPSULATED EXCEPT :-
A-PSEUDOMONAS AEROGINOSA
B-E. COLI
C-HAEMOPHILOUS INFLUENZAE
D-STREPTOCOCCUS PNEUMONIAE
WHICH OF THE FOLLOWING IS PROTECTED FROM LIGHT :-
A-BILIRUBIN
B-CHOLESTEROL
C-TOTAL PROTEIN (TP.)
D-BUN ( BLOOD UREA NITROGEN )
TO DIFFERENTIATE ANTI i FROM ANTI I
A-A1 CELLS
B-A2 CELLS
C-CORD CELLS
D-NONE OF THE ABOVE
WHAT PRACTICAL CARDIOLIPIN IS APPLICABLE IN LABORATORY WORK ?
A-FTA
B-VDRL & RPR
C-RPR ONLY
D-VDRL ONLY
Vi Ag IS SEEN IN :-
A-CAPSULE
B-PILI
C-SPORE
D-FLAGELLA
INFECTIVE STAGE OF ASCARIS :-
A-FERTILIZED EGG
B –RHABDITIFORM LARVA
C-LARVA
HIGHEST Ig IN ELECTROPHORESIS : -
A-IgM (HEAVIER ) 1St
B-IgA
C-IgE
D-IgG
ALL OF THE FOLLOWING CAN ASSES THE LIVER FUNCTION EXCEPT :-
A-AST
B-ALT
C-ALP
D-CREATININE
SUBSTANCE PRESENT IN ANY AGAR PLATE THAT PROMOTES THE BACTERIAL GROWTH :-
A-WATER ( H2O )
B-NITROGEN
C-MINERALS
C-O2
ORGANISMS PRODUCE GAS GANGRENE :-
A-BACILLUS ANTHRACIS
B-CLOSTIRIDIUM PERFRINGENS
C-STREPTOCOCCUS PNEUONIAE
D-HAEMOPHILOS INFLUENZAE
PURINE ASSOCIATED WITH
A-ADENINE
B-GUANINE
C-URIC ACID
D-RNA
Ig CAN CAUSE HDN :-
A-IgM
B-IgA
C-IgE
D-IgG
Ig NOT PART OF ACQUIRED IMMUNITY :-
A-IgM
B-IgA
C-IgE
D-IgG
PROTOZOA THAT IS NOT MOTILE
A-ENTAMOEBA HISTOLYTICA
B-E. COLI
C-GARDIA LAMBLIA
D-TRYPANOSOA CRUZI
ALL CELLS ARE NUCLEATED EXCEPT :-
A-LYMPH
B-MONOCYTES
C-RBCS
D-NEUTROPHIL
THE INTERMEDIATE HOST OF TOXOPLASMA IS :-
A-DOG
B-CAT
C-MOUSE
D-ALL
E-NONE
================================================== ======================================
CROSS-MATCHING
DONOUR PLASMA + PATIENT CELLS
===============================
DONOUR CELLS +PATIENT SERUM
MINOR
--------------
MAJOR
================================================== ======================================
VIRUSES RESEMBLE LIVING THINGS IN THAT THEY :-
A-ARE MOTILE
B-ARE CRYSTALLINE
C-GROW
D-REPRODUCE
ALL ARE TRUE ABOUT ENTEROCOCCI EXCEPT :-
A-HAVE CARBOHYDRATE ANTIGEN OF GROUP D STREPTOCOCCI
B-POSITIVE AESCULIN HYDROLYSIS
C-GROW IN THE PRESCENCE OF BILE SALTS
D-DO NOT GROW IN THE PRESCENCE OF 6.5 % NACL NOR AT 45 C
THE DETERMINATION OF ASO TITRE IS USED IN THE LABORATORY DIAGNOSIS OF :-
A-TOXIC SHOCK SYNDROME
B-SCARLET FEVER
C-STREPTOCOCCAL PHARYNGITIS AND CELLULITIS
E-RHEUMATIC FEVER
SIGNIFICANT BACTERURIA , PURIA , AND ALKALINE URINE PROBABLY INDICATE URINARY TRACT INFECTION DUE TO :-
A-STAPHYLOCOCCUS EPIDERMIDIS
B-E. COLI
C-PROTEUS VULGARIS
D-PSEUDOMONAS AERGINOSA
E-ENTEROCOCCUS FAECALIS
THE ONLY ENRICHMENT MEDIUM OF THE FOLLOWING IS :-
A-BLOOD AGAR
B-CHOCOLATE AGAR
C-CLED ( CYSTINE LACTOSE ELECTROLYTE DEFICIENT )
D-SELENITE-F-BROTH.
STREPTOCOCCI RESPONSIBLE FOR THE MAJORITY OF HUMAN INFECTIONS ARE :-
A-GROUP A
B-BETA-HAEMOLYTIC STREPTOCOCCI
C-BACITRACIN-S AND CAMP ( - )
D-ALL OF THESE
E-NONE OF THESE
TO DIFFERENTIATE BETWEEN NISSERIA GONORRHOEA AND NISSERIA MENINGITIDIS :-
A-FERMENTATION OF DEXTROSE AND LACTOSE
B-FERMENTATION OF DEXTROSE AND MALTOSE
C-FERMENTATION OF MALTOSE AND LACTOSE
D-FERMENTATION OF MALTOSE AND SUCROSE
-
THE BEST SPECIMEN FOR RECOVERY OF POLIOMYELITIS VIRUS FOR CULTURE IS :-
A-CSF
B-BLOOD CLOT
C-THROAT SWAB
D-BUFFY COAT
E-STOOL
F-NONE OF THE ABOVE
G-ALL OF THE ABOVE
THE FINDING OF INGESTED RBCS IN A TROPHOZOITE IDENTIFIES :-
A-ENTAMOEBA COLI
B-ENDOLIMAX NANA
C-ENTAMOEBA HISTOLYTICA
D-IODAMOEBA BUTSCHLII
E-NONE OF THE ABOVE
F-ALL OF THE ABOVE
THE CHROMATOID BODIES RESEMBLE CIGAR-SHAPED OR SAUSAGE-SHAPED IN THE CYST OF :-
A-ENTAMOEBA COLI
B-ENTAMOEBA HISTOLYTICA
C-ENTAMOEBA GINGIVALIS
D-NONE OF THE ABOVE
THE MOST FAVOURABLE TIME TO FIND MALARIAL PARASITE IN BLOOD IS :-
A-THE PERIOD JUST BEFORE OR AT THE BEGINNING OF A PAROXSYM
B-DURING THE LATE PAROXSYMAL STAGE
C-THE PERIOD JUST FOLLOWING PAROXSYM
D-ALL OF THE ABOVE
THE DIAGNOSTIC STAGE FOR THE IDENTIFICATION OF GIARDIA LAMBLIA IN STOOL SAMPLE IS :-
A-CYST
B-TROPHOZOITE
C-CYST AND/ OR TROPHOZOITE
D-ALL OF THE ABOVE
E-NONE OF THE ABOVE
THE MALARIAL SPOROZOITE IN MAN INVADES :-
A-WHITE BLOOD CELLS
B-RBCS
C-RETICULO-ENDOTHELIAL CELLS
D-ALL OF THE ABOVE
WHICH OF THE FOLLOWING ENLARGES RBCS
A-PLASMODIUM VIVAX
B-PLASMODIUM MALARIAE
C-PLASMODIUM FALCIPRUM
D-ALL OF THE ABOVE
MAN MAY ACQUIRE TOXOPLASMA FROM :-
A-MICE
B-CATS
C-DOGS
D-PIGS
ALL LEISHMANYAL INFECTIONS ARE TRANSMITTED BY
A-TSE TSE FLY
B-SAND FLY
C-HOUSE FLY
D-HORSE FLY
WHICH OF THE FOLLOWING NEITHER LAYS EGGS NOR DEPOSITES LARVAE IN THE INTESTINAL CANAL :-
A-HOOKWORMS
B-PINWORM
C-TRICHINELLA SPIRALIS
D-TRICHURIS TRICHURA
IDENTIFIED BY FINDING MAINLY THE RHABDITIFORM LARVAE IN IN FRESH STOOL :-
A-ASCARIS LUMBRICOIDES
B-ENTROBIUS VERMICULARIS
C-STRONGYLOIDES STERCORALIS
D-TRICHINELLA SPIRALIS
THE RESOLUTION OF THE BRIGHT FIELD MICROSCOPE IS :-
A-2.0 um
B-0.2 um
C-0.02um
D-0.002um
BACTERIOLOGICAL CULTURE MEDIA ARE GENERALLY STERILIZED USING :-
A-THE AUTOCLAVE
B-THE OVEN
C-FILTERATION
D-BUNSEN BURNER
SERUM CAN BE STERILIZED USING MEMBRANE FILTER OF POROSITY :-
A-0.22 um
B-2.3um
C-0.6 um
D-0.8 um
THE TEMPERATURE-TIME CYCLE WHEN USING THE AUTOCLAVE TO STERILIZE IS :-
A-121 C FOR 15 - 20 MINUTES
B-112 C FOR 30 - 40 MINUTES
C-135 C FOR 25 - 40 MINUTES
D-100 C FOR15 - 35 MINUTES
WHICH OF THE FOLLOWING STATEMENTS ABOUT CAMPYLOBACTER JEJUNI IS FALSE
A-GRAM NEGATIVE CURVED BACILLI
B-ARRANGED IN PAIRS ( SEE-GULL )
C-SLOW GROWTH
D-GROWS ON XLD MEDIUM
E-INCUBATION TEMPERATURE AT 42 C
DIRECT GRAM-STAINING IS ROUTINELY PERFORMED ON THE FOLLOWING SPECIMENS EXCEPT :-
A-PUS
B-ASPIRATED FLUIDS AND DISHARGES
C-CSF
D-SPUTUM
E-URINE
F-STOOL
BLOOD CULTURE IS INDICATED IN THE FOLLOWING BACTERIAL DISEASES EXCEPT
A-MENINGITIS
B-ENDOCARDITIS
C-GASTROENTERITIS
D-PYELONEPHRITIS
E-PNEUMONIA
ALL ARE TRUE ABOUT BOTH PROTEUS MIRABILIS AND PROTEUS VULGARIS
A-SWARMING ON NUITRIENT AGAR
B-H2S POSITIVE
C-UREASE POSITIVE
D-INDOLE POSITIVE
WHEN USING A 10 X EYE PIECE AND A 10 X OBJECTIVE OF A BRIGHTFIELD MICROSCOPE , THE TOTAL MAGNIFICATION WILL BE :-
A-10
B-100
C-1000
D-10000
WHICH OF THE FOLLOWING MICROSCOPE WOULD YOU USE TO EXAMINE A SMEAR OF BACTERIA STAINED BY GRAM STAIN :-
A-BRIGHTFIELD MICROSCOPE
B-DARKFIELD MICROSCOPE
C-DISSECTING MICROSCOPE
E-FLUORESCENT MICROSCOPE
WHICH OF THE FOLLOWING WOULD YOU USE TO EXAMINE A SMEAR STAINED WITH A FLUOROCHROME
A-BRIGHTFIELD MICROSCOPE
B-DARK FIELD MICROSCOPE
C-POLARIZING MICROSCOPE
D-FLUORSCENT MICROSCOPE
QUELLUNG TEST IS POSITIVE WITH THE FOLLOWING ORGANISMS EXCEPT :-
A-STREPTOCOCCUS PNEUMONIAE
B-HAEMOPHILOUS INFLUENZAE
C-KLEBSIELLA PNEUMMONIAE
D-CORYNEBACTERIUM DIPHTERIAE
GROWTH OF VIBRIO CHOLERAE ON TCBS MEDIUM PRODUCES :-
A-BLUE COLONIES
B-YELLOW COLONIES
C-GREEN COLONIES
D-ORANGE COLONIES
E-WHITE COLONIES
THE FOLLOWING ORGANISMS ARE LACTOSE FERMENTERS EXCEPT :-
A-E. COLI
B-ENTEROBACTER COLACAE
C-SHIGELLA SONNEI
D-PROTEUS SPP.
A- HUMAN IS THE MAIN RESERVOIR OR CARRIER
B-POSSESS O & H ANTIGEN
C-OXIDASE POSITIVE
D-PRODUCES H2S ON TSI, XLD & HE MEDIA
E-PRODUCES ACID FROM GLUCOSE BUT NOT GAS
THE INVASIVENESS OF STREPTOCOCCUS PNEUMONIAE IS DUE TO THE PRODUCTION OF :-
A-HAEMOLSINS
B-ENDOTOXINS
C-EXTOTOXINS
D-POLYSACCHARIDE CAPSULE
THE FOLLOWING ARE MEMBERS OF THE FAMILY ENTEROBACTERIACEAE EXCEPT :-
A-KLEBSIELLA RHINOSCLEROMATIS
B-SERRATIA LIQUEFACIENS
C-PROVIDENCIA ALCALIFACIENS
D-YERSINIA PSEUDOTUBERCULOSIS
E-CAMPYLOBACTER FETUS
IN SIGNIFICANT BACTERIURIA THE CFU/ML IS :-
A-MORE THAN TEN TO THE POWER OF FIVE
B-LESS THAN TEN TO THE POWER OF FIVE
C-MORE THAN TEN TO THE POWER OF THREE
D-LESSTHAN TEN TO THE POWER OF THREE
THE TEST USED TO DIFFERENTIATE PATHOGENIC STAPHYLOCOCCI IS :-
A-CATALASE
B-OXIDASE
C-COAGULASE
D-ASO TITRE
GROUP A STREPTOCOCCI ARE DIFFERENTIATED FROM OTHER BETA-HAEMOLYTIC STREPTOCOCCI BY :-
DISC CONTAINING :-
A-NEOMYCIN
B-OPTOCHIN
C-BACITRACIN
D-NOVOBIOCIN
FOR BLOOD CULTURE THE BEST ANTICOAGULANT IS
A-CITRATE
B-OXALATE
C-SODIUM POLYANESTHOL SULPHONATE
D-HEPARIN
THE ORGANISM WHICH SHOWS SATELLITISM AROUND STAPH AUREUS ON BLOOD AGAR IS
A-HAEMOPHILOUS INFLUENZAE
B-HAEMOPHILOUS DUCREYI
C-BORDETELLA PERTUSIS
D-MORAXELLA ACUNATA
THE IMVIC REACTION OF E. COLI ARE :-
A- + + - -
B- - - + +
C- + + + -
D- - - - +
BLOOD CULTURE MAY BE INDICATED FOR :-
A-CLOSTIRIDIUM TETANI
B-CORYNEBACTERIUM DIPHTERIAE
C-SGIGELLA DYSENTRIAE
D-MYCOBACTERIUM TUBERCULOSIS
E-NONE OF THESE
:sm185:
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