Epidemiology MCQ

1. Case control studies are also called

a) Retrospective
b) Prospective
c) Prevalence
d) Incidence

2. Severity of a disease is measured by

a) Case fatality rate
b) Proportional mortality rate
c) Relative risk
d) Attributable risk

3. Prevention of disease has ………….levels

a) One
b) Two
c) Three
d) Four

4. Which of the following is not a part of an epidemiological triad

a) Agent
b) Host
c) Disease
d) Environment

5. Best approach to study a rare disease

a) Case control study
b) Cross sectional
c) Cohort study
d) Clinical trial

EXPLANATION

1. A

Case control study is also known as retrospective study Cohort study- prospective (longitudinal, forward looking, follow up, Incidence study) Cross sectional – one time point

2. A

Case fatality rates are usually indicted in case of acute infectious diseases

3. D

Primordial, primary, secondary and tertiary are the levels of prevention.

4. C

Agent, host and environment are the epidemiological triad.

5. A

Case control study is useful to study rare diseases.

1. Case control studies are also called

2. Severity of a disease is measured by

3. Prevention of disease has ………….levels

4. Which of the following is not a part of an epidemiological triad

5. Best approach to study a rare disease

EXPLANATION

1. A

2. A

3. D

4. C

5. A

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