Free Communicable Diseases MCQs with Answers

50 Communicable Diseases MCQs from Community Health Nursing, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.

Communicable diseases are studied through the chain of infection, including the agent, reservoir, mode of transmission, portal of entry and susceptible host. Coverage includes isolation, disinfection, immunization, surveillance and outbreak control, with attention to diseases such as tuberculosis, malaria, hepatitis, polio and diarrheal infections.

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50 questions · page 3 of 3

  • A. Isolation separates exposed people, while quarantine separates sick people
  • B. Isolation separates sick people, while quarantine restricts exposed people
  • C. Both terms refer only to respiratory infections
  • D. Both terms require that a person has confirmed disease

Explanation: Isolation separates people who are infected or ill from others. Quarantine restricts the movement of people who have been exposed and may…

Correct answer: Isolation separates sick people, while quarantine restricts exposed people
  • A. Stop treatment after the sputum becomes clear
  • B. Continue the complete regimen as prescribed
  • C. Take the medicines only when fever returns
  • D. Replace the medicines with cough syrup

Explanation: Completing the prescribed tuberculosis regimen helps cure the infection and prevents relapse and drug resistance.

Correct answer: Continue the complete regimen as prescribed
Moderate
  • A. Give routine oral rehydration solution
  • B. Arrange prompt medical assessment for chemoprophylaxis
  • C. Advise the person to share the patient's antibiotics
  • D. Wait for symptoms before taking any action

Explanation: Close contacts of meningococcal disease require prompt assessment for recommended chemoprophylaxis, even when they feel well.

Correct answer: Arrange prompt medical assessment for chemoprophylaxis
Hard
  • A. Give aspirin for fever relief
  • B. Avoid unnecessary invasive procedures and observe for bleeding
  • C. Encourage vigorous massage of the limbs
  • D. Administer an intramuscular injection for pain

Explanation: Bleeding and thrombocytopenia increase the risk of haemorrhage, so the nurse should avoid unnecessary injections and invasive procedures…

Correct answer: Avoid unnecessary invasive procedures and observe for bleeding
Moderate
  • A. A healthy adult with controlled hypertension
  • B. A person with severe immunosuppression
  • C. A person with a healed superficial wound
  • D. A person who completed an antibiotic course

Explanation: Live attenuated vaccines may cause disease in people with severe immunosuppression and therefore require specialist assessment.

Correct answer: A person with severe immunosuppression
  • A. Attack rate
  • B. Case fatality rate
  • C. Prevalence ratio
  • D. Crude birth rate

Explanation: The attack rate is the proportion of an exposed group that develops illness during an outbreak.

Correct answer: Attack rate
  • A. Passive case detection
  • B. Active case finding
  • C. Terminal disinfection
  • D. Contact isolation

Explanation: Active case finding means health workers actively search for people who may have disease instead of waiting for them to attend a facility.

Correct answer: Active case finding
Fairly easy
  • A. Place it in a labelled, leak-proof container
  • B. Leave it uncovered until the courier arrives
  • C. Pour it into an unlabelled household container
  • D. Mix it with disinfectant before sending it

Explanation: A specimen should be placed in a suitable labelled, leak-proof container and transported according to laboratory instructions.

Correct answer: Place it in a labelled, leak-proof container
Fairly easy
  • A. Stop hand hygiene once symptoms improve
  • B. Use separate personal towels and perform regular hand hygiene
  • C. Allow young children to share eating utensils
  • D. Keep all windows closed throughout the day

Explanation: Hand hygiene and avoiding shared personal items reduce contact transmission in the home.

Correct answer: Use separate personal towels and perform regular hand hygiene
Easy
  • A. Ensure safe drinking water and proper sewage disposal
  • B. Provide insecticide-treated bed nets to every household
  • C. Place all residents with fever in airborne isolation
  • D. Distribute antibiotics to every person in the village

Explanation: Typhoid spreads mainly by the faecal-oral route, so safe water, sanitation and hand hygiene interrupt transmission at its source.

Correct answer: Ensure safe drinking water and proper sewage disposal