DHA General Practitioner CBT · Medicine

Infectious Disease MCQs for DHA General Practitioner CBT

Prepare Infectious Diseases for DHA GP CBT with MCQs on common infections, antimicrobial therapy, diagnosis, prevention and clinical management.

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Infectious Disease

Prepare Infectious Diseases for DHA GP CBT with MCQs on common infections, antimicrobial therapy, diagnosis, prevention and clinical management.

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Sample Infectious Disease questions

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Sample MCQ 1
A patient with latent tuberculosis infection is about to start potent biologic immunosuppression. Why is screening and treatment important?
A. To reduce risk of TB reactivation
B. To prevent influenza
C. To cure bacterial pneumonia
D. Because biologics eliminate all vaccine responses
Show Answer & Explanation
Correct Answer: Option A
Immunosuppression, especially certain biologic therapies, can reactivate latent tuberculosis, so risk assessment and treatment are important before therapy.
Sample MCQ 2
A diabetic patient has rapidly progressive painful leg swelling, systemic toxicity and crepitus. What is the most appropriate management principle?
A. Urgent surgical exploration and broad-spectrum antibiotics
B. Topical antifungal cream only
C. Observe for 48 hours
D. Compression stockings only
Show Answer & Explanation
Correct Answer: Option A
Necrotizing soft-tissue infection requires immediate surgical source control and broad empiric antimicrobial therapy.
Sample MCQ 3
Which exposure is a major risk factor for brucellosis in the Gulf and Middle East?
A. Unpasteurized dairy products
B. Chlorinated drinking water
C. Cooked rice
D. Indoor air conditioning
Show Answer & Explanation
Correct Answer: Option A
Brucellosis is associated with infected livestock and consumption of unpasteurized milk or dairy products.
Sample MCQ 4
A patient with suspected dengue has fever, myalgia, thrombocytopenia and rising hematocrit. What does a rising hematocrit most strongly suggest?
A. Plasma leakage
B. Massive hemolysis only
C. Iron deficiency
D. Bacterial meningitis
Show Answer & Explanation
Correct Answer: Option A
Hemoconcentration from capillary plasma leakage is a warning feature in dengue and can accompany progression toward shock.
Sample MCQ 5
An immunocompromised patient has painful grouped vesicles in a dermatomal distribution. What is the diagnosis?
A. Herpes zoster
B. Impetigo
C. Molluscum contagiosum
D. Erysipelas
Show Answer & Explanation
Correct Answer: Option A
Reactivation of varicella-zoster virus causes a painful unilateral vesicular eruption limited to a dermatome.
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