Question 1
A Gram-positive coccus in clusters from a wound culture is catalase-positive and coagulase-positive. Which species is most likely?
Correct Answer:
Staphylococcus aureus
Question 2
A coagulase-negative staphylococcus from a clean-catch urine in a young woman with cystitis is novobiocin-resistant. Which species is most likely?
Correct Answer:
Staphylococcus saprophyticus
Question 3
A blood culture isolate is a Gram-positive coccus in clusters, coagulase-negative, but ornithine decarboxylase positive and PYR positive. Which species should be suspected?
Correct Answer:
Staphylococcus lugdunensis
Question 4
A throat culture grows beta-hemolytic colonies that are bacitracin-susceptible and PYR-positive. The most likely organism is:
Correct Answer:
Streptococcus pyogenes
Question 5
A vaginal-rectal swab from a pregnant woman at 36 weeks grows beta-hemolytic colonies that are CAMP-positive and hippurate hydrolysis positive. Which Lancefield group does this organism belong to?
Correct Answer:
Group B
Question 1
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Prepare with the ABMM Practice Questions - Diplomate, American Board of Medical Microbiology (D(ABMM)) Exam practice quiz. This question bank includes 100 questions covering organism, culture, grows, clinical, and positive. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ABMM Practice Questions - Diplomate, American Board of Medical Microbiology (D(ABMM)) Exam

This practice set contains 100 questions from the matching question bank and focuses on organism, culture, grows, clinical, and positive. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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