Saudi Arabia · SCFHS

Infectious Disease MCQs for SCFHS General Practitioners

Infectious Disease MCQs for GPs covering antimicrobial stewardship, common infections, travel medicine and Gulf-relevant tropical diseases.

424 published infectious disease mcqs

What these infectious disease mcqs cover for SCFHS

  • Antibiotic selection and stewardship
  • Respiratory and urinary infections
  • Tropical and travel-related infections
  • HIV, TB and hepatitis basics
  • Vaccination schedules

Sample Infectious Disease MCQs from the SCFHS bank

These are real published questions used in MedQgulf practice sessions. Sign up for the full bank to access every infectious disease mcqs.

Sample 1·Infectious Disease

A 30-year-old returning from Yemen presents with fever, headache, and cyclical chills. Blood film shows ring forms in RBCs. Most likely diagnosis?

  • ADengue fever
  • BTyphoid
  • ✓Malaria
  • DBrucellosis
Explanation

Ring forms on thick/thin films are diagnostic of Plasmodium infection. Endemic in Yemen; species identification guides therapy.

Sample 2·Infectious Disease

A 40-year-old healthcare worker has needlestick injury from a HIV-positive source. Best action within 72 hours?

  • AHIV antibody test only
  • ✓Post-exposure prophylaxis for 28 days
  • CImmediate ART start lifelong
  • DImmunoglobulin
Explanation

PEP with tenofovir/emtricitabine + dolutegravir for 28 days, ideally within 1–2 hours, up to 72 hours.

Sample 3·Infectious Disease

A 45-year-old with productive cough for 6 weeks, night sweats and weight loss. CXR shows right upper lobe cavitation. Best confirmatory test?

  • ATuberculin skin test
  • ✓Sputum acid-fast bacilli smear and culture
  • CInterferon-gamma release assay
  • DBronchoscopy
Explanation

Active pulmonary TB is confirmed by sputum smear microscopy and culture; NAAT/GeneXpert also used.

Sample 4·Infectious Disease

A 25-year-old presents with dysuria, urgency and suprapubic pain. Urine dip: nitrites and leukocytes positive. Best first-line antibiotic in a non-pregnant woman?

  • ATrimethoprim
  • ✓Nitrofurantoin
  • CCiprofloxacin
  • DAmoxicillin
Explanation

Nitrofurantoin 100 mg BD for 3 days is NICE first-line for uncomplicated cystitis in women.

Sample 5·Infectious Disease

A 50-year-old with chronic hepatitis B has HBeAg positive, HBV DNA high, elevated ALT. Best treatment?

  • AInterferon alpha
  • ✓Tenofovir
  • CRibavirin
  • DLamivudine
Explanation

Tenofovir or entecavir are first-line oral antivirals for chronic HBV requiring treatment.

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Infectious Disease MCQs — frequently asked questions

Are tropical infections included?+

Yes — questions reflect the infectious disease burden relevant to Gulf practice and returning travellers.

Is antimicrobial stewardship tested?+

Yes — choosing the right antibiotic, dose and duration is a common exam theme.