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Boc Microbiology 6th Edition Graded A+|
Questions And Correct
Answers 2024|100% Pass
,boc microbiology 6th edition graded a+
the proper blood-to broth ratio for blood cultures to reduce the antibacterial effect of
serum in adults is:
a. 1:2
b. 1:3
c. 1:10
d. 1:30 - answer c
the most appropriate method for collecting a urine specimen from a patient with an
indwelling catheter is:
a. remove the catheter, cut the tip and submit it for culture
b. disconnect the catheter from the bag, and aseptically collect urine from the
terminal end of the catheter
c. asepticaly collect urine directly from the drainage bag
d. aspirate urine aseptically from the catheter bag - answer d
which of the following groups of specimens would be acceptable for anaerobic culture?
a. vaginal swab, eye swab
b. intraoral surface swab, leg swab
c. pleural fluid, brain, brain abscess fluid
d. urine, sputum - answer c
sodium polyanetholsulfonate (sps) is used as an anticoagulant for blood cultures because it:
,a. inactivates penicillin and cephalosporins
b. prevents clumping of red cells
c. inactivates neutrophils and components of serum complement
d. facilitates growth of anaerobes - answer c
, the optimal collection of a wound specimen for culture of anaerobic organisms is a:
a. swab of lesion obtained before administration of antibiotics
b. swab of lesion obtained after administration of antibiotics
c. syringe filled with pus, obtained before administration of antibiotics
d. syringe filled with pus, obtained after administration of antibiotics - answer c
the most important variable in the recovery of organisms in adult patients with bacteremia
(bacterial sepsis) is:
a. subculture of all bottles at day 5 of incubation
b. the recommended volume of blood cultured
c. collection of daily blood cultures set for 3 consecutive days
d. collection of multiple blood culture sets from a single venipuncture -
answer b virus transport medium should contain agents that:
a. enable rapid viral growth during the transport time
b. inhibit bacterial and fungal growth
c. destroy nonpathogenic viruses
d. inhibit complement fixing antibodies - answer b
a bronchoscopy sample with the request for culture of legionella is sent to the laboratory.
the correct plating protocol is:
a. culture on thiosulfate citrate bile salt media
b. incubate the culture media anaerobically
c. reject the specimen and request a sputum sample
d. culture of buffered charcoal yeast extract agar with antibiotics - answer d
a community hospital microbiology laboratory is processing significant numbers of stool
cultures because of an outbreak of diarrhea following heavy rains and flooding in the
county. a media that should be incorporated in the plating protocol is:
a. colistin nalidixic acid for listeria
Boc Microbiology 6th Edition Graded A+|
Questions And Correct
Answers 2024|100% Pass
,boc microbiology 6th edition graded a+
the proper blood-to broth ratio for blood cultures to reduce the antibacterial effect of
serum in adults is:
a. 1:2
b. 1:3
c. 1:10
d. 1:30 - answer c
the most appropriate method for collecting a urine specimen from a patient with an
indwelling catheter is:
a. remove the catheter, cut the tip and submit it for culture
b. disconnect the catheter from the bag, and aseptically collect urine from the
terminal end of the catheter
c. asepticaly collect urine directly from the drainage bag
d. aspirate urine aseptically from the catheter bag - answer d
which of the following groups of specimens would be acceptable for anaerobic culture?
a. vaginal swab, eye swab
b. intraoral surface swab, leg swab
c. pleural fluid, brain, brain abscess fluid
d. urine, sputum - answer c
sodium polyanetholsulfonate (sps) is used as an anticoagulant for blood cultures because it:
,a. inactivates penicillin and cephalosporins
b. prevents clumping of red cells
c. inactivates neutrophils and components of serum complement
d. facilitates growth of anaerobes - answer c
, the optimal collection of a wound specimen for culture of anaerobic organisms is a:
a. swab of lesion obtained before administration of antibiotics
b. swab of lesion obtained after administration of antibiotics
c. syringe filled with pus, obtained before administration of antibiotics
d. syringe filled with pus, obtained after administration of antibiotics - answer c
the most important variable in the recovery of organisms in adult patients with bacteremia
(bacterial sepsis) is:
a. subculture of all bottles at day 5 of incubation
b. the recommended volume of blood cultured
c. collection of daily blood cultures set for 3 consecutive days
d. collection of multiple blood culture sets from a single venipuncture -
answer b virus transport medium should contain agents that:
a. enable rapid viral growth during the transport time
b. inhibit bacterial and fungal growth
c. destroy nonpathogenic viruses
d. inhibit complement fixing antibodies - answer b
a bronchoscopy sample with the request for culture of legionella is sent to the laboratory.
the correct plating protocol is:
a. culture on thiosulfate citrate bile salt media
b. incubate the culture media anaerobically
c. reject the specimen and request a sputum sample
d. culture of buffered charcoal yeast extract agar with antibiotics - answer d
a community hospital microbiology laboratory is processing significant numbers of stool
cultures because of an outbreak of diarrhea following heavy rains and flooding in the
county. a media that should be incorporated in the plating protocol is:
a. colistin nalidixic acid for listeria
