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Exams & Certifications

Microbiology Quizzes, Questions & Answers

Recent Microbiology Quizzes

Microbiology Exam Review Quiz Dec 2012

Questions: 131 | Attempts: 99 | Last updated: Mar 21, 2025

Sample Question
Which type of microscopy is most commonly used in the direct microscopic examination of T.pallidum?

Brightfield Microscopy

Darkfield Microscopy

Phase Contrast Microscopy

Fluorescence Microscopy

Electron Microscopy

Chapter 20 Biology Test

Questions: 36 | Attempts: 297 | Last updated: Mar 22, 2025

Sample Question
What protects a prokaryotic cell from injury?

Different cell membrane

Different cell wall

Pilli

Flagella

USMLE Microbiology Prt 8

Questions: 25 | Attempts: 343 | Last updated: Mar 20, 2025

Sample Question
A 33-year-old man in Arkansas presents to the local clinic with fever, chills, headache, and generalized myalgias and arthralgias. On physical examination, an ulcer with a black base is apparent on his right hand, and epitrochlear lymphadenopathy is noted. A careful history reveals that the man is a hunter and trapper, recently trapping and skinning rabbits. Which of the following organisms is the most likely cause of this man's illness?

Borrelia

Brucella

Francisella

Leptospira

Listeria

Micro: Entry, Exit, Transmission

Questions: 20 | Attempts: 79 | Last updated: Oct 9, 2025

Sample Question
Which is not a protective barrier of the skin?

PH 5.5

Langerahans cells

Normal flora

Hair

Biology Pak 9 Self Check Quiz 3

Questions: 7 | Attempts: 124 | Last updated: May 1, 2025

Sample Question
We know viruses are not alive because

They are not cellular

They cannot use energy.

They cannot make proteins

All of the above

Protozoan Organisms (Unicellular) Trivia Questions

Questions: 5 | Attempts: 443 | Last updated: Oct 16, 2025

Food Borne Illness Standard FCS-fs 12 Unit Test

Questions: 38 | Attempts: 470 | Last updated: Jan 14, 2025

Sample Question
1. The most visible source of foodborne illness

Virus

Pathogen

Parasite

Mold

USMLE Microbiology Prt 6

Questions: 25 | Attempts: 340 | Last updated: Mar 21, 2025

Sample Question
Which of the following is a feature of gram-positive bacteria rather than gram-negative bacteria?

Lipid A-containing lipopolysaccharide

Lipoprotein in periplasmic space

Outer membrane

Peptidoglycan in periplasmic space

Thick peptidoglycan cell wall

USMLE Microbiology Prt 4

Questions: 25 | Attempts: 604 | Last updated: Mar 22, 2025

Sample Question
An Hispanic male is referred to the dermatology clinic of a major medical center. On physical examination, the man has several disfiguring lesions on his face and there is loss of cutaneous sensation to fine touch, pain, and temperature. An acid-fast organism is observed in scrapings from a skin lesion. Which of the following organisms is the most likely cause of this patient's disease?

Bartonella henselae

Listeria monocytogenes

Mycobacterium avium-intracellulare

Mycobacterium leprae

Nocardia asteroides

USMLE : Microbiology Hardest Test! Trivia Quiz

Questions: 25 | Attempts: 1357 | Last updated: Mar 22, 2025

Sample Question
A 28-year-old male intravenous drug user presents with a febrile illness that has lasted 2 weeks. He also complains of chills, weakness, dyspnea, cough, arthralgia, diarrhea, and abdominal pain. On examination, a heart murmur is present, and small, tender nodules are found on the finger and toe pads, along with small hemorrhages on the palms and soles. Three sets of blood cultures are obtained from different veins. While awaiting laboratory confirmation, an empiric antibiotic regimen should primarily be directed at which of the following organisms?

Enterococci

Pseudomonas aeruginosa

Staphylococcus aureus

Streptococcus pneumoniae

Streptococcus pyrogenes

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