Question 1

Which of the following statements about Non-Typhoidal Salmonella infections is CORRECT?

Accepted Answer

Symptoms develop 8-12 hours after ingestion of contaminated food.

Question 2

Aminoglycosides are used in clinical practice. Which of the following is TRUE regarding their pharmacology and clinical use?

Accepted Answer

They inhibit bacterial protein synthesis.

Question 3

Which of the following best describes zoonosis?

Accepted Answer

It is a cross-species infection where humans are often accidental hosts.

Question 4

Which cardiac lesion is most likely to predispose to infective endocarditis by Streptococcus viridans?

Accepted Answer

Ventricular septal defect (VSD)

Question 5

A patient with primary syphilis presents with a lesion. Which statement is TRUE regarding syphilis diagnosis and monitoring?

Accepted Answer

VDRL is used to monitor the disease.

Question 6

A 22-year-old boy presents with one day history of loose stools. Which is the best approach regarding antibiotic treatment?

Accepted Answer

Antibiotics are not indicated for acute, uncomplicated diarrhea.

Question 7

Which organism is associated with lower respiratory tract infection (LRTI) due to occupational exposure?

Accepted Answer

Bacillus anthracis

Question 8

Which of the following diseases is transmitted via biological vectors?

Accepted Answer

Babesiosis

Question 9

Regarding pulmonary mucormycosis, which statement is CORRECT?

Accepted Answer

Bronchoalveolar lavage helps in diagnosis.

Question 10

Which extra-pulmonary manifestation is associated with Mycoplasma pneumonia infection?

Accepted Answer

Hemolytic anemia

Question 11

Which statement about human microbiota is TRUE?

Accepted Answer

Yeast is a part of the human microbiota.

Question 12

Which statement about Shigella is CORRECT?

Accepted Answer

Shigella dysenteriae type 1 causes severe gastroenteritis.

Question 13

Which of the following is TRUE regarding hookworm infection?

Accepted Answer

Best treated with albendazole.

Question 14

Which statement about fungal infection is CORRECT?

Accepted Answer

Candida auris is a resistant pathogen.

Question 15

Which sample is NOT accepted for TB Gene Expert testing?

Accepted Answer

Blood

Question 16

Which statement about the National Immunization Program (NIP) in Sri Lanka is TRUE?

Accepted Answer

BCG is not given to premature babies at birth.

Question 17

Which of the following is a mechanism of acquired antibiotic resistance?

Accepted Answer

Efflux pumps

Question 18

Which viral disease is preventable by vaccination and is oncogenic?

Accepted Answer

Hepatitis B

Question 19

Which immunoglobulin is the first antibody produced during a primary immune response?

Accepted Answer

IgM

Question 20

Which statement about polio virus is CORRECT?

Accepted Answer

Multiplication occurs at lymphoid tissue in throat.

Step-by-Step Guidance for Medical Microbiology Exam Preparation

Study Guide - Practice Questions