MCQ Collection
Community & Preventive Dentistry MCQs
Practice Community & Preventive Dentistry questions with answers and explanations.
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Correct Answer: D. Tertiary prevention
Explanation:
Tertiary prevention is measures that reduce disability and improve function after established disease.
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Correct Answer: A. Herd immunity
Explanation:
Herd immunity is population-level protection that arises when enough people are immune to reduce transmission.
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Correct Answer: B. Incidence
Explanation:
Incidence is the occurrence of new cases in a population at risk during a defined period.
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Correct Answer: C. Prevalence
Explanation:
Prevalence is the proportion of a population that has a condition at a specified time or period.
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Correct Answer: D. Sensitivity
Explanation:
Sensitivity is the ability of a test to correctly identify people who have the disease.
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Correct Answer: A. Specificity
Explanation:
Specificity is the ability of a test to correctly identify people who do not have the disease.
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Correct Answer: B. Relative risk
Explanation:
Relative risk is a ratio comparing disease risk in an exposed group with risk in an unexposed group.