DIAGNOSTIC MICROBIOLOGY BY CONNIE
FULL REVISION NOTES WITH BACTERIOLOGY,
VIROLOGY, MYCOLOGY, AND PARASITOLOGY
CONCEPTS
◉ SPS.
Answer: Which of the following anticoagulants is appropriate for use
in microbiology?
◉ Urogenital swab.
Answer: Which of the following specimens should not be
refrigerated?
◉ Cerebrospinal fluid.
Answer: Which of the following specimens requires immediate
processing when received in the microbiology laboratory?
◉ -The specimen is preserved in formalin.
-Information on the requisition does not match information on the
specimen label.
-A second stool sample is submitted from the same patient on the
same day.
,Answer: Which of the following are reasons to reject a specimen for
culture?
◉ Tapeworm proglottids.
Answer: Which one of the following is noted from a macroscopic
observation?
◉ Throat swab.
Answer: In which of the following specimens is a direct microscopic
examination not useful?
◉ Differential media.
Answer: Chocolate agar is an example of which of the following?
◉ MacConkey agar.
Answer: Which of the following is an example of a selective and
differential medium?
◉ Urine.
Answer: Which of the following specimens is cultured using a
quantitative isolation technique?
◉ Acid-fast.
, Answer: Which of the following stains is best used to detect
mycobacterial organisms in clinical samples?
◉ Chitin.
Answer: Calcofluor white is a colorless dye that binds with which of
the following structures?
◉ Nonviscous fluids.
Answer: Cytocentrifugation is an excellent method for which of the
following types of samples?
◉ Blue.
Answer: In a Wright-Giemsa-stained smear, bacteria would appear
as which of the following colors?
◉ Candida albicans.
Answer: A moderate growth of a heaped, dry-appearing, white
colony is isolated from a patient with thrush. The colony has tiny
projections extending out along the edge of its margin. A
presumptive identification of this organism would be:
◉ Streptococcus agalactiae (group B).
Answer: A vaginal culture from a 25-year-old pregnant woman
produced colonies on SBA and CHOC agar, but there was no growth
FULL REVISION NOTES WITH BACTERIOLOGY,
VIROLOGY, MYCOLOGY, AND PARASITOLOGY
CONCEPTS
◉ SPS.
Answer: Which of the following anticoagulants is appropriate for use
in microbiology?
◉ Urogenital swab.
Answer: Which of the following specimens should not be
refrigerated?
◉ Cerebrospinal fluid.
Answer: Which of the following specimens requires immediate
processing when received in the microbiology laboratory?
◉ -The specimen is preserved in formalin.
-Information on the requisition does not match information on the
specimen label.
-A second stool sample is submitted from the same patient on the
same day.
,Answer: Which of the following are reasons to reject a specimen for
culture?
◉ Tapeworm proglottids.
Answer: Which one of the following is noted from a macroscopic
observation?
◉ Throat swab.
Answer: In which of the following specimens is a direct microscopic
examination not useful?
◉ Differential media.
Answer: Chocolate agar is an example of which of the following?
◉ MacConkey agar.
Answer: Which of the following is an example of a selective and
differential medium?
◉ Urine.
Answer: Which of the following specimens is cultured using a
quantitative isolation technique?
◉ Acid-fast.
, Answer: Which of the following stains is best used to detect
mycobacterial organisms in clinical samples?
◉ Chitin.
Answer: Calcofluor white is a colorless dye that binds with which of
the following structures?
◉ Nonviscous fluids.
Answer: Cytocentrifugation is an excellent method for which of the
following types of samples?
◉ Blue.
Answer: In a Wright-Giemsa-stained smear, bacteria would appear
as which of the following colors?
◉ Candida albicans.
Answer: A moderate growth of a heaped, dry-appearing, white
colony is isolated from a patient with thrush. The colony has tiny
projections extending out along the edge of its margin. A
presumptive identification of this organism would be:
◉ Streptococcus agalactiae (group B).
Answer: A vaginal culture from a 25-year-old pregnant woman
produced colonies on SBA and CHOC agar, but there was no growth