the nurse should make which of the following responses when questioned by a client about the role of leptin in the body
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NCLEX-PN

NCLEX-PN Quizlet 2023

1. The client asked about the role of leptin in the body. Which response should the nurse provide?

Correct answer: D

Rationale: Leptin is a protein hormone expressed in fat cells that regulates fat cell percentage in the body. It is associated with increased energy expenditure and decreased food intake through hypothalamic control. In obese individuals, there may be insensitivity or resistance to leptin's effects. Leptin influences other hormones like insulin and genetic factors related to fat regulation. Therefore, the correct response is that leptin might decrease total fat mass in obese individuals as it is involved in energy balance and fat regulation. Choices A, B, and C are incorrect because leptin does not increase food intake or promote obesity; it does not assist in the regulation of steroids, and it does not increase total fat mass in people who are obese.

2. Elderly persons with pernicious anemia should be instructed:

Correct answer: D

Rationale: Elderly persons with pernicious anemia, a condition characterized by vitamin B12 deficiency due to lack of intrinsic factor, should be informed about the potential side effects of B12 injections. Diarrhea is a known transient side effect of B12 injections, along with pain and burning at the injection site, and peripheral vascular thrombosis. Increasing dietary intake of B12-rich foods would not be sufficient due to the malabsorption issue in pernicious anemia. Follow-up is essential in managing pernicious anemia, so instructing patients they do not need to return for follow-up is incorrect. While oral B12 may be a suitable option for some cases, it is not the preferred choice for pernicious anemia where malabsorption is the primary issue.

3. In the Emergency Department (ED), which client should the nurse see first?

Correct answer: C

Rationale: In the Emergency Department, the priority is to assess and manage clients based on the urgency of their conditions. A client with adrenal insufficiency presenting with weakness should be seen first as this could indicate a state of shock, which requires immediate attention to stabilize the client's condition. Weakness in adrenal insufficiency can progress rapidly to a life-threatening adrenal crisis. Choice A, a COPD client with a non-productive cough, may need treatment but is not immediately life-threatening. Choice B, a diabetic client with an infected sore on the foot, requires timely care to prevent complications but can generally wait for evaluation compared to the potential urgency of adrenal insufficiency. Choice D, a client with a fracture of the forearm in an air splint, is important but not as time-sensitive as a client potentially in shock.

4. A mother who has never breastfed a child before is having trouble getting the baby to latch on to the breast. The baby has lost 3% of its birth weight within the first 2 days of life. The best statement is:

Correct answer: C

Rationale: The correct answer is 'A small amount of weight loss in the first few days is normal.' It is important to reassure the mother that a small amount of weight loss, such as 5-10% of birth weight, in the first few days of life is considered normal for newborns. This reassurance helps alleviate the mother's concerns. Option A is incorrect because it does not address the concern about weight loss; it focuses more on the baby eventually latching on. Option B is not recommended as the first solution for breastfeeding issues, as introducing a bottle early on may lead to nipple confusion. Option D involves escalating the situation to the charge nurse when it can be addressed by providing appropriate information and support directly, making it less necessary in this scenario where reassurance and education are key.

5. Which reported symptom would indicate a client with Addison's disease has received too much fludrocortisone (Florinef) replacement?

Correct answer: B

Rationale: Fludrocortisone (Florinef) replacement in Addison's disease involves mimicking aldosterone to retain sodium and water. This retention can lead to weight gain due to increased fluid retention. Rapid weight gain, such as 6 pounds in one week, is a concerning sign of excessive fluid retention, indicating a potential overdose of fludrocortisone. Choices A, C, and D are incorrect because oily skin and hair, loss of muscle mass, and increased blood glucose levels are not specific symptoms of excessive fludrocortisone replacement in Addison's disease.

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