Correct Answer: D

Rationale: Choice (D) describes thermal adaptation, which occurs 20 to 30 minutes after heat application. The body's receptors adjust to the constant heat exposure, leading to a decreased sensation of warmth. Choices (A) and (B) provide inaccurate information regarding the situation, while choice (C) is not physiologically sound and could potentially harm the client by increasing the temperature unnecessarily.

Correct Answer: D

Rationale: To ensure safe medication use, the nurse should encourage the client to call the clinic nurse or health care provider if any questions arise. Direct communication with healthcare professionals involved in the client's care is crucial to address any concerns promptly and accurately, ensuring the client's safety and understanding of the prescribed medication.

Correct Answer: C

Rationale: In this situation, the nurse should respond by calmly reassuring the client that the discomfort from the IV insertion will be temporary. By providing reassurance and addressing the client's concerns, the nurse can help reduce the client's apprehension and create a more supportive environment for the procedure.

Correct Answer: D

Rationale: Hyperorality is not typically a symptom of depression. Symptoms of depression often include changes in sleep patterns, eating patterns with weight loss, and excessive fatigue. Hyperorality, which refers to the tendency to examine, chew, or ingest non-nutritive substances, is not a common symptom associated with depression.

Correct Answer: A

Rationale: Barbiturates cause central nervous system (CNS) depression, increasing the risk of falls. It is crucial for the nurse to assist the client to the bathroom to prevent potential injuries. Leaving the client alone may lead to accidents due to the effects of the medication. Monitoring and supporting the client during this activity is essential for ensuring safety and preventing falls.