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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. A client receives a tetanus booster every 10 years: Primary prevention aims to prevent disease before it occurs. Vaccinations are a classic primary prevention measure.
B. A client with tetanus is given antibiotics and is placed on seizure precautions: This is tertiary prevention, as it focuses on managing an existing disease.
C. A client receives tetanus immunoglobulin after stepping on a nail: Post-exposure prophylaxis (PEP) is a secondary prevention strategy because it prevents disease progression after exposure.
D. A client is screened for a tetanus infection: Screening is secondary prevention, as it focuses on early detection, not prevention.
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.
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