A nurse is examining the agent, host and environmental factors which can lead to disease. Which of the following models would the nurse most likely use?

Epidemiologic triangle

Health promotion

Natural history of disease

Levels of prevention

Answer and Explanation

The Correct Answer is A

A. Epidemiologic triangle: The epidemiologic triangle is a public health model that examines three key components of disease transmission:

- Agent – The microorganism (bacteria, virus, fungus, etc.).
- Host – The person or animal that harbors the disease.
- Environment – External conditions that contribute to disease spread.

B. Health promotion: The health promotion model focuses on behavioral and lifestyle changes to prevent illness rather than examining the direct causes of disease.

C. Natural history of disease: The natural history of disease describes how a disease progresses without intervention from the initial exposure to resolution or chronicity, but it does not specifically analyze the agent, host, and environment.

D. Levels of prevention: The levels of prevention (primary, secondary, tertiary) focus on preventing and managing disease, but they do not analyze the factors leading to disease transmission like the epidemiologic triangle does.

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Correct Answer is B

Explanation

A. Chlamydia: There is no vaccine for chlamydia; prevention relies on safe sex practices and screening.

B. Hepatitis B: The Hepatitis B vaccine is highly effective in preventing HBV infection.

C. Gonorrhea: No vaccine exists; prevention includes condom use and regular screening.

D. Genital Herpes Simplex Virus 2: HSV-2 has no vaccine; antiviral medications help manage symptoms but do not prevent infection.

A. Veracity B. Autonomy C. Beneficence D. Confidentiality

Correct Answer is A

Explanation

A. Veracity: Veracity refers to truthfulness and honesty. The nurse is ethically obligated to report medication errors, regardless of whether harm occurred. Failing to complete an incident report violates this principle.

B. Autonomy: Autonomy refers to respecting a client's right to make informed decisions. This situation involves an error in practice, not a violation of client autonomy.

C. Beneficence: Beneficence refers to promoting the well-being of clients. While not reporting the error may seem like an attempt to avoid unnecessary distress, it is more directly a violation of veracity.

D. Confidentiality: Confidentiality involves protecting a client’s private health information. The failure to report a medication error does not violate confidentiality but does compromise transparency and accountability.

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A nurse is examining the agent, host and environmental factors which can lead to disease. Which of the following models would the nurse most likely use?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse understands that which of the following diseases can be prevented through immunization?

Correct Answer is B

Explanation

Correct Answer is A

Explanation

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