Fun Quiz: Test Your Microbiology Knowledge

Are you ready to take the ASCP, AMT, or AAB Certification Exams for MLS, CLS & MLT? Tests your knowledge in Microbiology, Parasitology, Mycology & Virology to find out. Do it for fun or take this practice exam to help you prepare.

 

#1. Which of the following statements is false about Trichinella spiralis?

Symptoms initially resemble food poisoning

Diagnosis is done by muscle biopsy showing intact eggs in striated muscle

High eosinophilia in patients

Adult female worms bear larvae, not eggs

Transmitted by ingestion of encysted larvae in undercooked pork

#2. A positive optochin sensitivity test is used in the differential diagnosis of which organism

Streptococcus faecalis

Streptococcus pyogenes

Streptococcus viridans

Streptococcus pneumoniae

Streptococcus agalactiae

#3. What term is used to describe the odor when 10% KOH is added to vaginal discharges infected with bacterial vaginosis?

Fishy odor

Fruity odor

Rotten eggs odor

Ammoniacal odor

Musty odor

#4. Which of the following grows a characteristic bulls-eye colony on Cefsulodin-Irgasan-Novobiocin agar?

Yersinia enterocolitica

Providencia rettgeri

Escherichia coli

Proteus mirabilis

Klebsiella pneumoniae

#5. Which bacteria is the causative agent of bacterial vaginosis?

Neisseria gonorrhoeae

Listeria monocytogenes

Moraxella catarrhalis

Staphylococcus aureus

Gardnerella vaginalis

#6. Which stain is used as a counterstain for the Ziehl-Nielsen staining method?

Eosin

Methylene blue

Bromphenol purple

Hematoxylin

Safranin

#7. Which bacteria is associated with both early onset and late onset infections in neonates causing neonatal sepsis and meningitis

Neisseria gonorrhea

Streptococcus agalactiae

Streptococcus gallolyticus

Staphylococcus aureus

Streptococcus pyogenes

#8. Which of the following statements does not describe Corynebacterium diphtheriae?

Elek Plate Test is used to test the toxigenicity of C. diphtheriae strains

Metachromatic granules that stain red-purple with methylene blue

Yellow colonies on Tinsdale agar due to tellurite hydrolysis

Produces a pseudomembrane on tonsils, uvula or soft palate

Causative agent of diphtheria

#9. Long filamentous gram negative rods with the characteristic “String of Pearls” colonies in Thioglycollate broth

Brucella melentensis

Streptobacillus moniliformis

Pasteurella multocida

Stenotrophomonas maltophilia

Salmonella typhimurium

#10. Tetramethyl P-phenylenediamine Dihydrochloride is the primary reagent used for this biochemical test

Indole

Starch hydrolysis

Voges Proskauer

Oxidase

CAMP test

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