تويت
مجموعة هذه الاسئلة مأخوذة من كتاب
questions & answers book
a reveiw manual for clinical lab examination
prepared by
PER task force & consulying faculty
sponsored by
American association of bioanalysis
*******************************************
Q1: capsules can be used for a
a: coplement fixation test
b:hemagglotination test
c:serotyping by swelling
d: precipitation test
a: coplement fixation test
b:hemagglotination test
c:serotyping by swelling
d: precipitation test
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Q2: to demonstrate capsules grow the culture on media containing
a: antibiotic
b: milk
c: serum
d: b&c
ــــــــــــــــــــــــــــــــــــــــــــــــــ ـــــــــ
Q3: the quelling test depending on the antigenic specificity of the
a: nucleus
b:cell wall
c: flagella
d: capsule
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Q4: dark staining granules are called
a: spores
b: capsules
c: cysts
d: metachromatic
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q5: organisms that vary in size and shape are referred as
a: psychrophilic
b: thermophilic
palisades
d: pleomorphic
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Q6: in thebacterial growth cycle , growth ceases because nutrient are
exuasted or toxic meatabolic products have accumulated in the
a: stationary phase
b: logarithmic phase
c: lag phase
d: a & b
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q7: which genera of bacterial form spores?
a: corynebacterium
b:bacillus
c:[I[/I]Closteridium
d: b& c
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q8: bacteria that grow in the absence of atmospheric oxygen and obtain
oxygen from oxygen -containing compounda are called
a: anaerobes
b: aerobes
c: capnophiles
d:aerotolerents
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Q9: the teprature at which bacteria grow best is known as
a: thermophilic
b: psychrophilic
c: optimum
d: mesophilic
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q10: a slimy colony on blood agar medium indicates which of the following
characteristic may be present?
a: blood agar too cold
b: organism has capsule
c: plate was inculabated too long
d: plate was incubated at too high a temprature
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q2: to demonstrate capsules grow the culture on media containing
a: antibiotic
b: milk
c: serum
d: b&c
ــــــــــــــــــــــــــــــــــــــــــــــــــ ـــــــــ
Q3: the quelling test depending on the antigenic specificity of the
a: nucleus
b:cell wall
c: flagella
d: capsule
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q4: dark staining granules are called
a: spores
b: capsules
c: cysts
d: metachromatic
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q5: organisms that vary in size and shape are referred as
a: psychrophilic
b: thermophilic
palisades
d: pleomorphic
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q6: in thebacterial growth cycle , growth ceases because nutrient are
exuasted or toxic meatabolic products have accumulated in the
a: stationary phase
b: logarithmic phase
c: lag phase
d: a & b
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q7: which genera of bacterial form spores?
a: corynebacterium
b:bacillus
c:[I[/I]Closteridium
d: b& c
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q8: bacteria that grow in the absence of atmospheric oxygen and obtain
oxygen from oxygen -containing compounda are called
a: anaerobes
b: aerobes
c: capnophiles
d:aerotolerents
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q9: the teprature at which bacteria grow best is known as
a: thermophilic
b: psychrophilic
c: optimum
d: mesophilic
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q10: a slimy colony on blood agar medium indicates which of the following
characteristic may be present?
a: blood agar too cold
b: organism has capsule
c: plate was inculabated too long
d: plate was incubated at too high a temprature
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q11: on blood agar plates a small zone of alpha-hymolysis surounded by
zone of beta-hemolysis after referigeration is known as
a: agamma hemolysis
b: beta hemolysis
c: alpha hemolysis
d: alpha-prime hemolysis
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q12:when using fractional sterilization the sequence is
a: heating ( killing vagetative bacteria
b: incubation (spore germination
c: heating ( kills remaining vegitative bacteria
d: all of above
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q13: what is the most effective method of sterilization
a: autoclave
b: dry heat oven
c: boiling
d: disinfection
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Q14: which of the folowing is used for quality control for dry heat oven?
a : Bacillus subtilis
b: bacillus stearothermophilic
c: staphylococcus aureus
d: Salmonella typhi
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q15: which of the following filters can give 100% sterility
a: Seitz
b: Millipre 0.22um
c: Millipore 0.5um
d: a &b
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Q16: media that cannot be heated can be sterilized by
a: filteration
b: chemical bisinfectant
c:antiseptic
d: cannot be sterilized
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q17: which of following is not disinfectant ?
a: phenol
b: 70% alcohol
c:quats
d:2% aqueous glutaraldehyde
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q18: iodophores are coposed of iodine and
a: a phenolic compound
b: a detergent
c: 70% alcohol
d: 90-95% alcohol
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q19: Quaternary ammonium disinfectant are easily inactivated by
a: heat
b:Pseudomonas aeroginosa
c: organic material
d: tap water
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q20: what colour of of gram positive bacteria?
a: purple
b: green
c: red
d: maroon
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
zone of beta-hemolysis after referigeration is known as
a: agamma hemolysis
b: beta hemolysis
c: alpha hemolysis
d: alpha-prime hemolysis
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q12:when using fractional sterilization the sequence is
a: heating ( killing vagetative bacteria
b: incubation (spore germination
c: heating ( kills remaining vegitative bacteria
d: all of above
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q13: what is the most effective method of sterilization
a: autoclave
b: dry heat oven
c: boiling
d: disinfection
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q14: which of the folowing is used for quality control for dry heat oven?
a : Bacillus subtilis
b: bacillus stearothermophilic
c: staphylococcus aureus
d: Salmonella typhi
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q15: which of the following filters can give 100% sterility
a: Seitz
b: Millipre 0.22um
c: Millipore 0.5um
d: a &b
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q16: media that cannot be heated can be sterilized by
a: filteration
b: chemical bisinfectant
c:antiseptic
d: cannot be sterilized
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q17: which of following is not disinfectant ?
a: phenol
b: 70% alcohol
c:quats
d:2% aqueous glutaraldehyde
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q18: iodophores are coposed of iodine and
a: a phenolic compound
b: a detergent
c: 70% alcohol
d: 90-95% alcohol
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q19: Quaternary ammonium disinfectant are easily inactivated by
a: heat
b:Pseudomonas aeroginosa
c: organic material
d: tap water
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
Q20: what colour of of gram positive bacteria?
a: purple
b: green
c: red
d: maroon
ــــــــــــــــــــــــــــــــــــــــــــــــــ ــــــــ
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