question
A halophile would __________ in a high salt environment.
a. become crenated
b. undergo plasmolysis
c. form endospores
d. thrive
a. become crenated
b. undergo plasmolysis
c. form endospores
d. thrive
answer
d
question
The outcome of the Gram stain is based on differences in the cell's
a. cell wall
b. inclusions
c. flagella
d. ribosomes
a. cell wall
b. inclusions
c. flagella
d. ribosomes
answer
a
question
Where can you find bacteria that are able to grow on MSA agar
a. intestine
b. skin
c. bone
d. throat
a. intestine
b. skin
c. bone
d. throat
answer
b
question
the following image is an example of _____________ hemolysis
?
a. Beta
b. alpha
c. non
d. gamma
?
a. Beta
b. alpha
c. non
d. gamma
answer
b
question
the virtual strep test may be used to identify
a. streptococcus agalactiae
b. staphylococcus aereus
c. streptococcus pyogenes
d. streptococcus pnemoniae
a. streptococcus agalactiae
b. staphylococcus aereus
c. streptococcus pyogenes
d. streptococcus pnemoniae
answer
c
question
Which of the following is/are true regarding the catalase test?
a. oxygen is the product of catalase
b. staphylococcus is catalase positive
c. hydrogen peroxide is the product of catalase
d. streptococcus is catalase positive
a. oxygen is the product of catalase
b. staphylococcus is catalase positive
c. hydrogen peroxide is the product of catalase
d. streptococcus is catalase positive
answer
a b
question
_______________ line indicate positive for the Virtual Rapid Strep Test
a. Pink vertical line over blue horizontal line
b. purple vertical line over green horizontal line
c. green vertical line over pink horizontal line
d. yellow vertical line over blue horizontal line
a. Pink vertical line over blue horizontal line
b. purple vertical line over green horizontal line
c. green vertical line over pink horizontal line
d. yellow vertical line over blue horizontal line
answer
a
question
Which bacteria are Beta-hemolytic?
a. Streptococcus pyogens
b. Staphylococcus aereus
c. Staphylococcus epidermis
d. Streptococcus agalactiae
a. Streptococcus pyogens
b. Staphylococcus aereus
c. Staphylococcus epidermis
d. Streptococcus agalactiae
answer
NOT c
question
Staphylococcus aereus may be identified with ______________ tests
a. catalase test
b. coagulase
c. mannitol salt agar
d. Rapid strep test
a. catalase test
b. coagulase
c. mannitol salt agar
d. Rapid strep test
answer
NOT d
question
Coagulase test may be used to identify
a. Staphylococcus aereus
b. Staphylococcus epidermis
c. fibrin formation
d Streptococcus pyogens
a. Staphylococcus aereus
b. Staphylococcus epidermis
c. fibrin formation
d Streptococcus pyogens
answer
a c
question
Hydrogen peroxide is an effective antiseptic for _______________ bacterial infection on the skin.
a. facultative anaerobic
b. acid fast positive
c. obligate anaerobic
d. aerobic
a. facultative anaerobic
b. acid fast positive
c. obligate anaerobic
d. aerobic
answer
c
question
positive CAMP test is an example of synergistic effect of two exotoxins
a. true
b false
a. true
b false
answer
a
question
If a microorganism grows on Mannitol Salt Agar, and there are yellow color around bacterial colony, this bacteria is _______ which ______________ salt and ferments mannitol.
S. epidermidis, is sensitive
S. pneumoniae, tolerates
S. aureus, tolerates
S. mitis, resists
S. epidermidis, is sensitive
S. pneumoniae, tolerates
S. aureus, tolerates
S. mitis, resists
answer
C
question
CAMP test is useful to identify _______________ infection.
Streptococcus pneumoniae
Streptococcus pyogenes
Streptococcus agalactiae
Streptococcus mitis
Streptococcus pneumoniae
Streptococcus pyogenes
Streptococcus agalactiae
Streptococcus mitis
answer
Streptococcus agalactiae
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