A nurse wants to have a better understanding of the physiological effects of selected chemicals. Which of the following individuals would provide the most useful information to the nurse?

Toxicologist

Chemist

Epidemiologist

Pharmacist

Answer and Explanation

The Correct Answer is A

A. Toxicologist: Toxicologists specialize in studying the effects of chemicals on living organisms, including how chemicals interact with biological systems and potential toxic effects.

B. Chemist: A chemist studies the properties, composition, and reactions of substances but may not focus on physiological effects on the body.

C. Epidemiologist: An epidemiologist studies disease patterns in populations, including environmental exposures, but does not specialize in the physiological effects of chemicals.

D. Pharmacist: A pharmacist specializes in medications, including their mechanisms and interactions, but may not have in-depth knowledge of all chemical toxins.

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Correct Answer is B

Explanation

A. Hepatitis B: Hepatitis B is a bloodborne disease, primarily spread through contact with infected bodily fluids, not through a vector.

B. Rocky Mountain spotted fever: Rocky Mountain spotted fever is a vector-borne disease transmitted by tick bites. Vectors are living organisms, such as mosquitoes or ticks, that carry infectious agents.

C. E. coli O157:H7: E. coli is a foodborne illness that spreads through contaminated food or water, not via a vector.

D. Anthrax: Anthrax is a bacterial infection that spreads through direct contact, ingestion, or inhalation of spores, not through a vector.

A. Putting students on a diet if they weigh greater than 20% of their ideal weight B. Weighing students to identify those who are overweight C. Giving a presentation on the importance of exercise and physical fitness D. Designing a game in which students select healthy food choices

Correct Answer is B

Explanation

A. Putting students on a diet if they weigh greater than 20% of their ideal weight: This is a tertiary prevention strategy, as it focuses on managing obesity after it has been diagnosed rather than early detection.

B. Weighing students to identify those who are overweight: Secondary prevention focuses on early detection and intervention to prevent disease progression. Weighing students allows for early identification of obesity and timely interventions.

C. Giving a presentation on the importance of exercise and physical fitness: This is primary prevention, which aims to prevent obesity before it occurs by promoting healthy habits.

D. Designing a game in which students select healthy food choices: This is also primary prevention, as it promotes healthy behaviors rather than identifying or managing existing obesity.

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A nurse wants to have a better understanding of the physiological effects of selected chemicals. Which of the following individuals would provide the most useful information to the nurse?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is B

Explanation

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