تويت
answer the following questions :
1) Which of the following is smallest in physical size?
a) Viruses
b) Bacteria
c) Fungi
d) Parasites
2) The bacterial cell wall is complex, consisting of one of two basic forms: a Grampositive cell wall with a ____ peptidoglycan layer, and a Gram-____ cell wall with a ____ peptidoglycan layer and an overlying outer membrane.
a) Thick; Neutral; Thin
b) Thin; Negative; Thin
c) Thick; Negative; Thick
d) Thin; Negative; Thick
e) Thick; Negative; Thin
3) Bacteria is ____ and fungi is ____.
a) Prokaryotic; Prokaryotic
b) Prokaryotic; Eukaryotic
c) Eukaryotic; Eukaryotic
d) Eukaryotic; Prokaryotic
4) Which of the following is NOT a virus?
a) Common cold
b) Ebola
c) Gastroenteritis
d) Malaria
e) Rabies
2) Which of the following is NOT considered a sterile location in which an exogenous infection could take place?
a) Brain
b) Lungs
c) Mouth
d) Peritoneum
3) Which of the following is commonly endogenous as opposed to exogenous?
a) Clostridium tetani (causes tetanus)
b) Neisseria gonorrhoeae (causes gonorrhoea)
c) Coccidioides immitis (causes valley fever)
d) Entamoeba histolytica (causes amoebic dysentery)
e) Clostridium perfringens (in normal flora)
4) Which of the following does NOT limit the ability of the laboratory to provide a definitive answer as to the cause of a disease?
a) Gram reactivity of specimen
b) Quality of specimen collected
c) Specimen transport from patient to lab
d) Techniques used to demonstrate the microbe in sample
5) Which of the following determines whether a group of organisms that is from the same genus and species arises from a common source or from distinct sources?
a) Serotyping
b) Biotyping
c) Phage typing
d) DNA hybridization
e) Antibiogram patterning
6) Which of the following uses antibodies to detect bacterial antigens?
a) Serotyping
b) Biotyping
c) Phage typing
d) DNA hybridization
e) Antibiogram patterning
7) Which of the following is NOT a use for serotyping?
a) Identify organisms that are inert in biochemical testing
b) Identify organisms that are difficult or impossible to grow
c) Identify organisms that are associated with specific disease syndromes
d) Identify organisms that need to be identified rapidly
e) Identify organisms that are susceptible to viral infections
8) Which of the following is NOT true regarding DNA hybridization?
a) It was used initially to determine the relationship among bacterial isolates
b) It can determine whether two isolates are in the same genus or species
c) Molecular probes can be used with it to confirm an organism’s identity
d) It requires growing the organism, even in clinical specimens
e) It can aid in the rapid detection of slow-growing organisms
9) Of the following aerobic, Gram-positive cocci, which is catalase-positive?
a) Aerococcus
b) Enterococcus
c) Staphylococcus
d) Lactococcus
e) Streptococcus
10) Which of the following is NOT an aerobic Gram-positive rod?
a) Bacillus
b) Listeria
c) Micrococcus
d) Turicella
e) Mycobacterium
1) Which of the following is smallest in physical size?
a) Viruses
b) Bacteria
c) Fungi
d) Parasites
2) The bacterial cell wall is complex, consisting of one of two basic forms: a Grampositive cell wall with a ____ peptidoglycan layer, and a Gram-____ cell wall with a ____ peptidoglycan layer and an overlying outer membrane.
a) Thick; Neutral; Thin
b) Thin; Negative; Thin
c) Thick; Negative; Thick
d) Thin; Negative; Thick
e) Thick; Negative; Thin
3) Bacteria is ____ and fungi is ____.
a) Prokaryotic; Prokaryotic
b) Prokaryotic; Eukaryotic
c) Eukaryotic; Eukaryotic
d) Eukaryotic; Prokaryotic
4) Which of the following is NOT a virus?
a) Common cold
b) Ebola
c) Gastroenteritis
d) Malaria
e) Rabies
2) Which of the following is NOT considered a sterile location in which an exogenous infection could take place?
a) Brain
b) Lungs
c) Mouth
d) Peritoneum
3) Which of the following is commonly endogenous as opposed to exogenous?
a) Clostridium tetani (causes tetanus)
b) Neisseria gonorrhoeae (causes gonorrhoea)
c) Coccidioides immitis (causes valley fever)
d) Entamoeba histolytica (causes amoebic dysentery)
e) Clostridium perfringens (in normal flora)
4) Which of the following does NOT limit the ability of the laboratory to provide a definitive answer as to the cause of a disease?
a) Gram reactivity of specimen
b) Quality of specimen collected
c) Specimen transport from patient to lab
d) Techniques used to demonstrate the microbe in sample
5) Which of the following determines whether a group of organisms that is from the same genus and species arises from a common source or from distinct sources?
a) Serotyping
b) Biotyping
c) Phage typing
d) DNA hybridization
e) Antibiogram patterning
6) Which of the following uses antibodies to detect bacterial antigens?
a) Serotyping
b) Biotyping
c) Phage typing
d) DNA hybridization
e) Antibiogram patterning
7) Which of the following is NOT a use for serotyping?
a) Identify organisms that are inert in biochemical testing
b) Identify organisms that are difficult or impossible to grow
c) Identify organisms that are associated with specific disease syndromes
d) Identify organisms that need to be identified rapidly
e) Identify organisms that are susceptible to viral infections
8) Which of the following is NOT true regarding DNA hybridization?
a) It was used initially to determine the relationship among bacterial isolates
b) It can determine whether two isolates are in the same genus or species
c) Molecular probes can be used with it to confirm an organism’s identity
d) It requires growing the organism, even in clinical specimens
e) It can aid in the rapid detection of slow-growing organisms
9) Of the following aerobic, Gram-positive cocci, which is catalase-positive?
a) Aerococcus
b) Enterococcus
c) Staphylococcus
d) Lactococcus
e) Streptococcus
10) Which of the following is NOT an aerobic Gram-positive rod?
a) Bacillus
b) Listeria
c) Micrococcus
d) Turicella
e) Mycobacterium