Nokea
The nurse is examining the ability of a phenylketonuria (PKU) screening test to distinguish correctly between newborns who have and who do not have the disease. Which of the following measures of accuracy of the instrument is being evaluated?
- A. Sensitivity
- B. Specificity
- C. Validity
- D. Efficacy
Correct Answer: C
Rationale: Validity refers to a test’s ability to correctly distinguish between diseased and nondiseased individuals.
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A school nurse is preparing to discuss food safety practices with high school students enrolled in a family and consumer science “foods” course. Which of the following information would be included in the presentation?
- A. Wash hands thoroughly with running warm water with soap for 30 seconds.
- B. Scrub firm surfaces of all fruits and vegetables with a produce brush before eating.
- C. Pay close attention to assure that meat is cooked all of the way through.
- D. Refrigerate leftovers within 30 minutes of serving.
Correct Answer: A
Rationale: The guideline is to wash hands thoroughly with running warm water and soap for 20-30 seconds.
A 5-year-old is consuming a daily caloric intake of 1400 calories. Approximately what portion of the diet should be comprised of carbohydrates?
- A. 300 calories
- B. 700 calories
- C. 900 calories
- D. 1200 calories
Correct Answer: C
Rationale: Carbohydrates should comprise about half of a preschooler's diet.
A delivery room nurse senses disappointment when a mother is told she just delivered a baby girl. Which of the following would be the most therapeutic response by the nurse?
- A. “Yes, you just delivered a healthy, beautiful baby girl.”
- B. “This is your first baby. You can always try again for a boy.”
- C. “Don’t worry, many parents often feel the same way you do.”
- D. “You are tired. I think you should get some rest.”
Correct Answer: A
Rationale: The nurse should acknowledge the mother’s feelings and provide positive reinforcement, emphasizing the health of the baby.
A nurse is developing learning objectives for an individual who has been recently diagnosed with asthma. Which is an example of an appropriately written psychomotor learning objective?
- A. The individual will understand how to correctly use an inhaler.
- B. The individual will realize the importance of using an inhaler correctly.
- C. The individual will feel better when using the inhaler correctly.
- D. The individual will demonstrate proper use of the inhaler.
Correct Answer: D
Rationale: Psychomotor learning involves physical skill development, and demonstrating proper use indicates skill development.
Which scenario represents a dysfunctional pattern?
- A. Sexually active teenager who does not use condoms
- B. Salesman who sleeps only 5 hours a night
- C. Single mother of three children
- D. Woman with a small extended family
Correct Answer: A
Rationale: The sexually active teenager who does not use condoms has a sexual behavior that indicates a dysfunction in the sexuality-reproductive pattern, which places her at risk for sexually transmitted diseases and pregnancy.