Correct Answer: C

Rationale: Fludrocortisone, such as Florinef, is a mineralocorticoid that promotes sodium retention and potassium excretion, which can lead to hypernatremia. Therefore, the nurse should closely monitor for hypernatremia when a client with Addison's disease is being treated with fludrocortisone. Hyperkalemia (Choice A) is incorrect because fludrocortisone promotes potassium excretion, leading to hypokalemia rather than hyperkalemia. Hyponatremia (Choice B) is incorrect as fludrocortisone promotes sodium retention. Hypocalcemia (Choice D) is unrelated to the action of fludrocortisone.

Correct Answer: C

Rationale: A white blood cell count of 2,000/mm3 is low and indicates leukopenia, which increases the client's risk for infection. Hemoglobin level and platelet count are not directly indicative of infection risk. Serum creatinine level is related to kidney function, not infection risk.

Correct Answer: C

Rationale: Assessing the client's physical health status is the most critical intervention during the initial assessment of a client with a history of substance abuse admitted for detoxification. This evaluation helps identify and address any immediate health risks, such as withdrawal symptoms or medical complications, to ensure the client's safety and well-being during the detoxification process. Option A, obtaining a detailed substance use history, is important but not the most critical initially. Option B, establishing a trusting nurse-client relationship, is important but assessing physical health takes precedence. Option D, determining the client's readiness for change, is valuable but assessing physical health for immediate risks is the priority.

Correct Answer: B

Rationale: When a client reports experiencing decreased libido while taking SSRIs, it is important for the nurse to notify the healthcare provider to discuss potential medication adjustments. This side effect can significantly impact a client's quality of life, and addressing it promptly by involving the healthcare provider is crucial in providing holistic care. Choices A, C, and D do not directly address the issue of decreased libido caused by SSRIs. Simply waiting for improvement over time, altering the administration of medication with food, or increasing exercise are not appropriate strategies for managing this specific side effect.

Correct Answer: A

Rationale: Placing the client in High Fowler's position is beneficial for individuals with left-sided heart failure experiencing dyspnea and orthopnea. This position helps to reduce venous return, decrease preload, and enhance respiratory function, thereby relieving the symptoms mentioned. Choice B, the supine position, is not recommended as it may exacerbate dyspnea and orthopnea by increasing preload. Choice C, the Trendelenburg position, is incorrect as it involves the feet being positioned higher than the head, which is not suitable for heart failure patients. Choice D, the Sims' position, is a lateral position used for rectal examination and is not indicated for relieving dyspnea and orthopnea in heart failure.