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ATI RN · ATI Community Health · Epidemiology NCLEX Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

True statements about osteoarthritis (degenerative joint disease) include

A. it is more than twice as common among women as men of the same age

B. the pattern of joint involvement is essentially identical in all races among persons of the same age

C. about 50 percent of persons over age 75 have some degenerative joint disease

D. hereditary factors are important in Heberden's nodes

Expert Explanatory Rationale

Correct Answer: about 50 percent of persons over age 75 have some degenerative joint disease

Question 2 of 5

Which of the following is a measure of association between exposure and disease?

A. Relative risk

B. Prevalence

C. Incidence

D. Mortality rate

Expert Explanatory Rationale

Correct Answer: Relative risk

Question 3 of 5

How is 'attack rate' defined in the context of an outbreak?

A. The total number of existing cases of a disease

B. The proportion of people who die from a disease

C. The proportion of people who become ill after exposure to the disease

D. The number of new cases of a disease

Expert Explanatory Rationale

Correct Answer: The proportion of people who become ill after exposure to the disease

Question 4 of 5

Based on studies of persons who have been poisoned by chronic exposure, methyl mercury has biologic properties that include an ability to

A. cause atrophy of the cells of the cerebellum and cerebral cortex

B. accumulate primarily in the liver and kidneys

C. cause restrictive lung disease

D. be eliminated from body tissues mostly by the kidney

Expert Explanatory Rationale

Correct Answer: cause atrophy of the cells of the cerebellum and cerebral cortex

Question 5 of 5

Underreporting is not a problem for detecting outbreaks of notifiable diseases because the proportion of cases reported tends to remain relatively stable over time.

A. TRUE

B. FALSE

C. ALL

D. None

Expert Explanatory Rationale

Correct Answer: FALSE

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