Community Medicine MCQs 2026

Herd immunity in medicine refers to

1. A restriction of movement of exposed persons ✓
2. B communication to promote healthy behaviors ✓
3. C indirect protection when sufficient population is immune ✓
4. D new cases occurring in a defined period ✓

Screening in medicine refers to

1. A testing asymptomatic people to detect early disease ✓
2. B early detection and treatment to reduce morbidity ✓
3. C proportion of target population vaccinated ✓
4. D study of distribution and determinants of disease in populations ✓

Prevalence in medicine refers to

1. A preventing disease before it occurs ✓
2. B existing cases at a point or period in time ✓
3. C restriction of movement of exposed persons ✓
4. D communication to promote healthy behaviors ✓

Incidence in medicine refers to

1. A indirect protection when sufficient population is immune ✓
2. B early detection and treatment to reduce morbidity ✓
3. C proportion of target population vaccinated ✓
4. D new cases occurring in a defined period ✓

Epidemiology in medicine refers to

1. A testing asymptomatic people to detect early disease ✓
2. B study of distribution and determinants of disease in populations ✓
3. C preventing disease before it occurs ✓
4. D restriction of movement of exposed persons ✓

Primary prevention in medicine refers to

1. A proportion of target population vaccinated ✓
2. B study of distribution and determinants of disease in populations ✓
3. C preventing disease before it occurs ✓
4. D existing cases at a point or period in time ✓

Health education in medicine refers to

1. A existing cases at a point or period in time ✓
2. B indirect protection when sufficient population is immune ✓
3. C early detection and treatment to reduce morbidity ✓
4. D communication to promote healthy behaviors ✓

Immunization coverage in medicine refers to

1. A new cases occurring in a defined period ✓
2. B testing asymptomatic people to detect early disease ✓
3. C proportion of target population vaccinated ✓
4. D preventing disease before it occurs ✓

Quarantine in medicine refers to

1. A restriction of movement of exposed persons ✓
2. B study of distribution and determinants of disease in populations ✓
3. C existing cases at a point or period in time ✓
4. D indirect protection when sufficient population is immune ✓

Secondary prevention in medicine refers to

1. A communication to promote healthy behaviors ✓
2. B new cases occurring in a defined period ✓
3. C testing asymptomatic people to detect early disease ✓
4. D early detection and treatment to reduce morbidity ✓

Community medicine case 70: a public health campaign presenting with consent issue requires the clinician to

1. A ensure informed voluntary consent before invasive procedure ✓
2. B delay all investigations until next outpatient visit ✓
3. C discharge without vital sign monitoring ✓
4. D prescribe antibiotics without clinical indication ✓

Community medicine case 69: a vaccination drive presenting with referral decision requires the clinician to

1. A delay all investigations until next outpatient visit ✓
2. B discharge without vital sign monitoring ✓
3. C prescribe antibiotics without clinical indication ✓
4. D refer to appropriate specialist when care exceeds primary level capacity ✓

Community medicine case 67: a public health campaign presenting with referral decision requires the clinician to

1. A delay all investigations until next outpatient visit ✓
2. B discharge without vital sign monitoring ✓
3. C refer to appropriate specialist when care exceeds primary level capacity ✓
4. D prescribe antibiotics without clinical indication ✓

Community medicine case 66: a vaccination drive presenting with infection control requires the clinician to

1. A delay all investigations until next outpatient visit ✓
2. B discharge without vital sign monitoring ✓
3. C prescribe antibiotics without clinical indication ✓
4. D isolate if needed and follow standard precautions per protocol ✓

Community medicine case 36: a vaccination drive presenting with consent issue requires the clinician to

1. A delay all investigations until next outpatient visit ✓
2. B discharge without vital sign monitoring ✓
3. C ensure informed voluntary consent before invasive procedure ✓
4. D prescribe antibiotics without clinical indication ✓

Community medicine case 20: a surveillance unit presenting with infection control requires the clinician to

1. A isolate if needed and follow standard precautions per protocol ✓
2. B delay all investigations until next outpatient visit ✓
3. C discharge without vital sign monitoring ✓
4. D prescribe antibiotics without clinical indication ✓

Community medicine case 10: a public health campaign presenting with infection control requires the clinician to

1. A delay all investigations until next outpatient visit ✓
2. B discharge without vital sign monitoring ✓
3. C prescribe antibiotics without clinical indication ✓
4. D isolate if needed and follow standard precautions per protocol ✓

Community medicine case 8: a surveillance unit presenting with consent issue requires the clinician to

1. A delay all investigations until next outpatient visit ✓
2. B discharge without vital sign monitoring ✓
3. C ensure informed voluntary consent before invasive procedure ✓
4. D prescribe antibiotics without clinical indication ✓

Community medicine case 5: a surveillance unit presenting with referral decision requires the clinician to

1. A delay all investigations until next outpatient visit ✓
2. B discharge without vital sign monitoring ✓
3. C refer to appropriate specialist when care exceeds primary level capacity ✓
4. D prescribe antibiotics without clinical indication ✓