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A nurse is employed as a nurse epidemiologist. Which of the following activities would most likely be completed by the nurse?
- A. Eliciting the health history of a client presenting with an illness
- B. Evaluating the number of clients presenting with similar diseases
- C. Performing a physical examination of an ill client
- D. Providing treatment and health education to a client with a disease
Correct Answer: A
Rationale: The correct answer is A: Eliciting the health history of a client presenting with an illness. As a nurse epidemiologist, the nurse's primary role is to investigate and analyze patterns of disease occurrence. By eliciting the health history of a client presenting with an illness, the nurse can gather essential data to identify potential sources of infection, risk factors, and patterns of disease spread within a population. This activity aligns with the epidemiological approach of understanding the distribution and determinants of health-related states.
Incorrect choices:
B: Evaluating the number of clients presenting with similar diseases - While this may be part of the nurse epidemiologist's duties, it does not directly involve gathering individual health histories to track disease patterns.
C: Performing a physical examination of an ill client - This task is more aligned with clinical nursing practice rather than epidemiological investigation.
D: Providing treatment and health education to a client with a disease - This is within the scope of direct patient care and does not focus on population
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A woman is sitting in a corner of the clinical waiting room, crying audibly. The nurse asks, "What's wrong? Can I help?" The woman responds, "They just told me I have a positive mammogram and I need to see my doctor for follow-up tests. I know I'm going to die of cancer. How can I tell my family?" Which of the following information does the nurse need to know in order to help the woman cope with this finding?
- A. The negative predictive value of mammography
- B. The positive predictive value of mammography
- C. The reliability of mammography
- D. The validity of mammography
Correct Answer: A
Rationale: The correct answer is A: The negative predictive value of mammography. The nurse needs this information to help the woman cope because it indicates the probability that a negative mammogram truly indicates the absence of breast cancer. Knowing this value can provide reassurance to the woman that a positive mammogram doesn't definitively mean she has cancer. The other choices are incorrect because: B (Positive predictive value) focuses on the likelihood of cancer if the test is positive, which may increase the woman's anxiety. C (Reliability) refers to the consistency of results, but it doesn't directly address the woman's concerns about her health. D (Validity) assesses how well a test measures what it is supposed to measure, but it doesn't offer immediate reassurance to the woman in this emotional moment.
A nurse is administering a tuberculosis skin test to a client who has AIDS. Which of the following
- A. Decreased positive predictive value
- B. Decreased reliability
- C. Decreased sensitivity
- D. Decreased specificity
Correct Answer: A
Rationale: The correct answer is A: Decreased positive predictive value. In clients with AIDS, their compromised immune system can lead to false-negative results on the tuberculosis skin test. This decreases the test's ability to accurately predict the presence of tuberculosis if the result is positive. Choice B, decreased reliability, is not specific to the client's condition in this scenario. Choices C and D, decreased sensitivity and specificity, respectively, are not directly impacted by the client having AIDS and are more related to the test's overall performance characteristics.
A city council discusses how former city laws promoted segregation in the community years ago. Which of the following was being demonstrated when segregation occurred?
- A. Prejudice
- B. Cultural imposition
- C. Racism
- D. Stereotyping
Correct Answer: C
Rationale: The correct answer is C: Racism. When segregation occurred due to city laws, it was a demonstration of racism, which involves systemic discrimination and prejudice against individuals based on their race or ethnicity. Racism was institutionalized through these laws, leading to unequal treatment and opportunities for different racial groups. Prejudice (A) refers to preconceived opinions that are not necessarily institutionalized like racism. Cultural imposition (B) is the act of imposing one's cultural values on others and is not the primary factor in segregation. Stereotyping (D) involves generalizations about a group of people but does not necessarily lead to segregation on its own.
A nurse states that the client has exhibited an explicit cultural behavior. Which of the following has the nurse most likely observed?
- A. Verbal communication
- B. Body language
- C. Use of titles
- D. Perception of health and illness
Correct Answer: C
Rationale: The correct answer is C: Use of titles. When a client uses specific titles such as "Doctor" or "Nurse" to address healthcare providers, it reflects their cultural behavior and beliefs. This demonstrates respect and hierarchy within their culture. Verbal communication (A) and body language (B) are important aspects of cultural behavior but may not always be explicit. Perception of health and illness (D) is more related to beliefs rather than explicit cultural behavior.
Which of the following best defines aggregate?
- A. A large group of persons
- B. A collection of individuals and families
- C. A group of persons who share one or more characteristics
- D. Another name for demographic group
Correct Answer: C
Rationale: The correct answer is C because aggregate refers to a group of persons who share one or more characteristics. This definition specifically highlights the commonality among individuals within the group. Choice A is too vague as it does not specify the shared characteristics. Choice B is similar but lacks the emphasis on shared characteristics. Choice D is incorrect as aggregate does not necessarily equate to a demographic group. Choices E, F, and G are not applicable. In summary, choice C is the best definition as it precisely captures the essence of an aggregate group.