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ATI LPN · Community Health · NCLEX Prevention of Disease Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Discuss the possible health effects that have been associated with exposure to electric and magnetic fields and ionizing radiation.

A. EMF: unclear evidence; Ionizing: cancer risk.

B. EMF: immediate death; Ionizing: no known risks.

C. EMF: improved sleep; Ionizing: enhanced mood.

D. EMF: faster metabolism; Ionizing: increased energy.

Correct Answer: EMF: unclear evidence; Ionizing: cancer risk.

Question 2 of 5

Define the following terms: latency

A. The time between exposure to a hazard and the onset of symptoms.

B. The strength of a chemical bond.

C. The period during which a disease is contagious.

D. The duration of a clinical trial.

Correct Answer: The time between exposure to a hazard and the onset of symptoms.

Question 3 of 5

Describe the significance for epidemiology of the identification of specific agents of disease.

A. It allows for targeted treatments.

B. It proves that all diseases are infectious.

C. It eliminates the need for surveillance.

D. It focuses solely on chronic diseases.

Correct Answer: It allows for targeted treatments.

Question 4 of 5

What is the RR of dying of lung cancer for smokers versus nonsmokers?

A. 7

B. 10.14

C. 15

D. 20

Correct Answer: 10.14

Question 5 of 5

The nature of common source epidemic:

A. scattered effect

B. explosive

C. more prevalence rate

D. all of above

Correct Answer: explosive

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