Correct Answer: B

Rationale: The correct answer is B because social smiling is a developmental milestone typically expected around 2 months of age. At this stage, infants start to engage more with their caregivers and show positive emotional responses. The other choices are incorrect. Choice A describes a motor skill that usually emerges later. Choice C involves more coordination and exploration, which is not typically seen by 2 months. Choice D relates to head control and arm strength, which also develop progressively but may not be fully achieved by 2 months.

Correct Answer: C

Rationale: The correct first action for the nurse when a client expresses anxiety about a procedure is to encourage the client to discuss their fears. By allowing the client to express their concerns, the nurse can provide personalized support, address specific worries, and offer tailored information. This approach helps to establish trust, reduce anxiety, and promote a therapeutic nurse-client relationship. Offering information about the procedure steps (Choice A) may be helpful but should come after addressing the client's fears. Administering an anxiolytic (Choice B) should not be the first action as it focuses on symptom management rather than addressing the underlying cause of anxiety. Reassuring the client that the procedure is common and safe (Choice D) is important but should follow active listening and addressing the client's fears.

Correct Answer: D

Rationale: The best response for the nurse to support a client expressing frustration over their chronic illness is to validate their feelings and listen to their concerns (Option D). This approach helps acknowledge the client's emotions, demonstrates empathy, and establishes a therapeutic relationship. By validating the client's feelings and actively listening to their concerns, the nurse offers a supportive environment for the client to express their frustrations. Choices A, B, and C are not the best responses in this situation. While joining a support group, discussing a cure, or focusing on positive aspects can be beneficial interventions, the immediate priority is to validate the client's feelings and provide a space for them to express their frustrations.

Correct Answer: B

Rationale: Reducing salt intake is crucial for managing hypertension. Excessive salt consumption can lead to fluid retention, increasing blood pressure. While stress management, regular physical activity, and weight loss are beneficial for overall health, reducing salt intake is the most important lifestyle modification for controlling hypertension. Stress management may help reduce overall stress levels but does not directly impact blood pressure as salt intake does. Regular physical activity and weight loss can also benefit blood pressure control, but the immediate impact of reducing salt intake is more significant.

Correct Answer: B

Rationale: The correct answer is B. Warmth and redness at the IV site without swelling indicate a localized reaction, which is common and does not necessarily indicate infiltration of IV fluids into the subcutaneous tissues. The absence of swelling suggests that the IV is correctly placed. Therefore, the nurse should conclude that the infusion pump is functioning properly. Choice A is incorrect as warmth and redness alone do not indicate subcutaneous infiltration. Choice C is incorrect as discontinuing the IV solely based on warmth and redness without swelling is not necessary. Choice D is incorrect as the absence of swelling signifies a localized reaction rather than inflammation requiring immediate reporting.