A nurse is planning a measure to reduce the incidence of obesity. Which of the following interventions affects the environment according to the epidemiological triad?

Asking affected adults to keep a diary of food intake.

Determining whether clients have a family history of obesity.

Providing low-fat meal options at public school.

Measuring client's body mass index (BMI).

Answer and Explanation

The Correct Answer is C

Rationale:
A. Asking affected adults to keep a diary of food intake is incorrect because this intervention targets individual behavior, not the broader environment. It focuses on personal monitoring and self-awareness rather than modifying environmental factors that influence obesity.

B. Determining whether clients have a family history of obesity is incorrect because this addresses host factors, specifically genetic predisposition, rather than environmental influences. It helps identify risk but does not change the environment to prevent obesity.

C. Providing low-fat meal options at public school is correct because it targets the environmental component of the epidemiological triad. By modifying the availability of healthier food options in schools, the intervention reduces environmental risk factors that contribute to obesity at a population level. Environmental interventions aim to make healthy choices easier and more accessible for the community.

D. Measuring a client’s body mass index (BMI) is incorrect because this is a screening and assessment tool that identifies individuals at risk or affected by obesity. It does not alter the environment or reduce incidence; it only monitors the host’s condition.

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Correct Answer is C

Explanation

Rationale:

A. Health care workers are at increased risk for communicable diseases due to frequent exposure to infected patients, body fluids, and contaminated equipment. This makes them a well-recognized at-risk population.

B. International travelers are at higher risk because they may be exposed to pathogens not commonly found in their home country, including diseases associated with different climates, sanitation standards, or endemic infections.

C. Telehealth nurses are not considered a population at increased risk for communicable diseases because they provide care remotely, without direct physical contact with patients or exposure to infectious materials.

D. Clients who have a high-risk lifestyle (such as substance use, unsafe sexual practices, or unstable housing) are more vulnerable to communicable diseases due to increased exposure risk and reduced access to preventive healthcare.

A. counselor B. direct caregiver C. case manager D. consultant

Correct Answer is C

Explanation

Rationale:
A. Counselor is incorrect because counseling involves providing guidance, emotional support, or helping the client cope with personal or psychological issues. Scheduling therapy visits does not primarily involve counseling.

B. Direct caregiver is incorrect because direct caregiving refers to providing hands-on care or treatment to the client, such as administering medications or assisting with activities of daily living. The nurse in this scenario is not directly performing care tasks.

C. Case manager is correct because case management involves coordinating care, services, and resources for a client to ensure their needs are met efficiently. By scheduling visits with a physical therapist and facilitating continuity of care for a child with cerebral palsy, the nurse is fulfilling the case manager role.

D. Consultant is incorrect because a consultant provides expert advice or recommendations to other healthcare professionals or organizations, rather than actively coordinating services for an individual client.

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A nurse is planning a measure to reduce the incidence of obesity. Which of the following interventions affects the environment according to the epidemiological triad?

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Naxlex Comprehensive Predictor Exams

Which of the following is not a population at risk for communicable diseases?

Correct Answer is C

Explanation

A school nurse is scheduling visits with a physical therapist for a child with cerebral palsy. In which of the following roles is the nurse functioning?

Correct Answer is C

Explanation

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