Nursing Elites

1. What causes an older female client's hair to turn gray?

• A. ''A loss of melanin occurs in the normal aging process.''
• B. ''The number of sweat glands and blood vessels decreases in the normal aging process.''
• C. ''The skin on the scalp becomes thin, causing moisture to escape.''
• D. ''It is caused by hereditary factors.''

Correct answer: A

Rationale: The correct answer is 'A loss of melanin occurs in the normal aging process.' Graying hair in older adults is primarily due to a decrease in the number of melanocytes responsible for providing pigment and hair color. This reduction in melanin production leads to gray hair. The other choices are incorrect. While it is true that the skin becomes thinner with aging and the number of sweat glands and blood vessels decreases, these changes are not directly related to graying hair. Additionally, hereditary factors can influence when graying starts, but they do not cause the graying of hair itself.

2. A nurse is preparing to auscultate a fetal heart rate (FHR). The nurse performs the Leopold maneuvers to determine the position of the fetus and then places the fetoscope over which part of the fetus?

• A. Back of the fetus
• B. Carotid artery in the neck of the fetus
• C. Brachial area of one extremity of the fetus
• D. Chest of the fetus

Correct answer: A

Rationale: The nurse would use the Leopold maneuvers to identify the position of the fetus and determine the location of the fetal back. The fetal heart rate (FHR) is most easily heard through the fetal back because it usually lies closest to the surface of the maternal abdomen. Auscultation of the FHR over the chest, carotid artery, or brachial area is not possible due to the fetal position within the maternal abdomen. Placing the fetoscope over the carotid artery or brachial area would not yield the fetal heart rate, and the chest area is not typically used for auscultating the FHR.

3. The nurse receives an order to administer phenytoin through the client's J-tube. The order instructs that tube feedings are stopped at least an hour prior to administering the medication and an hour after the medication is administered. Which of the following considerations may be a reason to discuss this order with the physician?

• A. The client has a history of Type II diabetes.
• B. The client is on a continuous tube-feeding regimen.
• C. The client is on fluid restriction.
• D. The pharmacy has provided phenytoin in tablet form.

Correct answer: B

Rationale: For a client on a continuous tube-feeding regimen, stopping tube feedings for two hours to administer this medication may compromise the client's nutritional status. This interruption can lead to inadequate nutrient intake, affecting the client's overall nutritional well-being. The other choices are less relevant in this situation. Type II diabetes does not directly impact the administration of phenytoin through a J-tube. Fluid restriction would not prevent the temporary interruption of tube feedings for medication administration. The form of phenytoin provided by the pharmacy does not impact the need to discuss the order with the physician regarding the client's continuous tube-feeding regimen.

4. A nurse is interviewing an older adult while assisting with data collection. Which client comment regarding vision requires immediate discussion with the health care provider?

• A. "If I go from a very bright room to a very dark room, I have some trouble adjusting."
• B. "I have to hold my newspaper farther and farther away from me when I read."
• C. "I have a little trouble telling if my same-colored shirts and blouses actually match; the colors seem the same to me."
• D. "It looks like I have a blank spot in the middle of what I'm trying to see."

Correct answer: D

Rationale: The correct answer is "It looks like I have a blank spot in the middle of what I'm trying to see." Seeing blank spots in the middle of an object is a sign of central vision loss, which is a symptom of macular degeneration. Macular degeneration is a serious condition that requires immediate discussion with a healthcare provider to prevent further vision loss. Choice A, mentioning difficulty adjusting between bright and dark rooms, is a common issue related to changes in lighting and not a cause for immediate concern. Choice B, having to hold objects farther away when reading, is indicative of presbyopia, a normal age-related change in vision. Choice C, experiencing slight changes in color perception, is also a common age-related change and not an urgent issue that necessitates immediate discussion with a healthcare provider.

5. How often should the intravenous tubing on total parenteral nutrition solutions be changed?

• A. every 24 hours
• B. every 36 hours
• C. every 48 hours
• D. every 72 hours

Correct answer: A

Rationale: The correct answer is to change the intravenous tubing on total parenteral nutrition solutions every 24 hours. This frequency is necessary due to the high risk of bacterial growth associated with TPN solutions. Changing the tubing every 24 hours helps prevent contamination and bloodstream infections. Choices B, C, and D are incorrect because waiting longer intervals increases the risk of introducing harmful bacteria into the patient's system, leading to potentially severe complications.

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