FREE ASCP Technologist in Microbiology Questions and Answers

Question 1

Which culture media are commonly used to cultivate different species of Mycobacterium?

Accepted Answer

Lowenstein-Jensen and Middlebrook agar

Answer

Thayer-Martin agar and Lowenstein-Jensen agar

Answer

Cefalotin-buffered dextrin broth and Middlebrook agar

Answer

Buffered Charcoal Yeast Extract and MacConkey Sorbitol agar

Question 2

In the Laboratory Response Network for Biological Threats, sentinel laboratories play which of the following roles?

Accepted Answer

Perform regular diagnostic procedures and determine if samples need to be sent somewhere else for additional testing.

Answer

Specialized handling of biological agents that are highly contagious, identification of the origin of illness outbreaks, and characterization of novel organisms and viruses.

Answer

Obtain and process clinical or environmental samples at high risk for testing on behalf of other organizations.

Answer

Provide other laboratories instruction and direction.

Question 3

Which antibiotic, by binding to D-alanyl D-alanine, inhibits the formation of peptidoglycans and hence inhibits the growth of bacteria?

Accepted Answer

Vancomycin

Answer

Flucloxacillin

Answer

Streptomycin

Answer

Linezolid

Question 4

Since hyphae exhibit _____ between the yeast cell and the hyphae or pseudohyphae, they can be identified from germ tubes.

Accepted Answer

constriction or septa

Answer

buds

Answer

dilation

Answer

hypha

Question 5

A throat swab was obtained from an individual who appeared to have thrush. Which of the following would make it possible to distinguish Candida albicans from other Candida species?

Accepted Answer

Pagano-Levin agar

Answer

Super Optimal broth with Catabolite repression

Answer

Sabouraud dextrose agar

Answer

Canavanine-Glycine-Bromothymol blue

Question 6

A patient's aspirated joint fluid following a recent arthroplasty was placed on a blood agar plate. Under a microscope, gram-positive cocci were found. The colonies were alpha hemolytic following a 24-hour incubation period. Which test would be most helpful in determining the infection's cause?

Accepted Answer

catalase test

Answer

mannitol salt agar

Answer

oxidase test

Answer

coagulase

Question 7

Which of the following describes a cutaneous contaminant that originates in the gastrointestinal tract?

Accepted Answer

Klebsiella oxytoca

Answer

Brevibacterium casei

Answer

Pasteurella multocida

Answer

Propionibacterium acnes

Question 8

A patient, age 21, exhibits symptoms of exhaustion, headache, fever, and hurting muscles. The patient visited Uganda not too long ago. The results of their blood testing are displayed below. Which substance is the cause?

Accepted Answer

Malaria

Answer

Trypanosomiasis

Answer

Strongyloidiasis

Answer

Leishmania

Question 9

A woman with a bad-smelling discharge and pruritis had a vaginal swab taken. Microscopic analysis identified the presence of protozoa with motile flagella. What is the symptoms' most likely cause?

Accepted Answer

Trichomonas vaginalis

Answer

Giardia duodenalis

Answer

Chlamydia trachomatis

Answer

Chlamydomonas coccifera

Question 10

Which sample is most likely to contain Trichinella larvae?

Accepted Answer

muscle biopsy

Answer

brain biopsy

Answer

nasopharyngeal

Answer

wound