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Epidemiology Quiz 3 Questions and Answers with Verified Solutions | Latest 2026 Update

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Epidemiology Quiz 3 Questions and Answers with Verified Solutions | Latest 2026 Update

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Epidemiology Quiz 3 Questions and Answers with Verified Solutions |
Latest 2026 Update




Q: The positive predictive value of the physical examination was: ______

Answer:


Q: 69.2 %

Answer:
72.0 %
76.0 %
84.0 % 69.2 %

Q: A screening test is used in the same way in two similar populations, but the
proportion of false

Answer:
positive results among those who test positive in population A is lower than that
among those
who test positive in population B.

, Epidemiology Quiz 3 Questions and Answers with Verified Solutions |
Latest 2026 Update




Q: What is the likely explanation for this finding?

Answer:


Q: It is impossible to determine what caused the difference

Answer:
The specificity of the test is lower in population A
The prevalence of disease is lower in population A
The prevalence of disease is higher in population A
The specificity of the test is higher in population A The prevalence of disease is
higher in
population A

Q: A physical examination and an audiometric test were given to 500 persons with
suspected

Answer:
hearing problems, of whom 300 were actually found to have them. The results of the
examinations were as follows:

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