Which statement best describes herd immunity in a community?
Correct answer: B. Enough people are immune to reduce transmission to others
- A. Every person has received every available vaccine
- B. Enough people are immune to reduce transmission to others
- C. Only people with previous infection can become protected
- D. A vaccine protects a person from all communicable diseases
Explanation
Herd immunity occurs when a sufficiently large immune proportion reduces the spread of an infection, providing indirect protection to some susceptible people. It does not mean that every person is vaccinated or that one vaccine prevents all communicable diseases.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
About Communicable Diseases
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.
Practise Communicable Diseases
50 free Communicable Diseases MCQs from Community Health Nursing, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Community Health Nursing questions like this
Community Health Nursing is on 9 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Communicable Diseases questions
A clinic room has a blood spill on the floor. What should the nurse do before applying a disinfectant?
During a food-borne outbreak, 20 of 100 people who ate at a community meal become ill. What is the attack rate among those who ate the meal?
A nurse sustains a needlestick injury from a used needle after giving an injection. What should the nurse do first?
Which structure is a common portal of entry for pathogens causing intestinal infection?
A patient with chickenpox is admitted to a medical ward. Which isolation arrangement is most appropriate?
Which situation best represents passive immunization?