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 B
Explanation
A. Reassure the student that it is just a bad cold and will soon pass: This dismisses the symptoms and delays necessary public health intervention.
B. Inform all students, staff, and faculty of a possible measles exposure: Koplik spots (small white spots inside the cheeks) are a classic early sign of measles, which is highly contagious. Prompt notification is needed to prevent an outbreak.
C. Inform all students, staff, and faculty of a possible rubella epidemic: While rubella also causes a rash, it does not present with Koplik spots.
D. Tell the student to take two acetaminophen and drink lots of fluids: Symptomatic relief is important but does not address the risk of measles transmission.
Correct Answer is C
Explanation
A. Poultry: Poultry is more commonly associated with Salmonella and Campylobacter infections rather than E. coli 0157:H7.
B. Water parks: While waterborne outbreaks can occur, direct animal contact is a greater risk factor for E. coli 0157:H7 infection.
C. Petting zoos: Petting zoos pose a significant risk because E. coli 0157:H7 can be transmitted through contact with infected animals and their feces. Children and immunocompromised individuals are especially vulnerable.
D. Carrots: While contaminated produce has been linked to E. coli outbreaks, petting zoos pose a higher risk due to direct exposure to infected animals.
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