Correct Answer: A

Rationale: The correct answer is A. A lack of tear production is a sign of severe dehydration in infants, indicating the need for IV therapy. Option B, bulging fontanels, is a sign of increased intracranial pressure, not dehydration. Option C, breathing slower than normal, and Option D, decreasing heart rate, are not specific signs of severe dehydration that would indicate the need for IV therapy in this case.

Correct Answer: A

Rationale: The correct answer is A: Establish a toileting schedule for the client. A toileting schedule helps manage incontinence and prevent accidents, promoting client dignity. Choice B is incorrect because clothing with buttons and zippers may be difficult for a client with dementia to manage independently. Choice C is incorrect as physical activity during the day is beneficial for clients with dementia. Choice D is incorrect as activities that increase sensory stimulation may be overwhelming for a client with dementia.

Correct Answer: B

Rationale: During the orientation phase of the therapeutic relationship, it is crucial to establish roles. This helps both the client and the nurse understand their responsibilities, boundaries, and expectations within the therapeutic process. Choice A is more focused on the working phase where strategies and interventions are discussed. Choice C is more suitable for the working phase where specific techniques are usually introduced. Choice D is also more relevant to the working phase as it involves discussing practical resources for implementation in daily life.

Correct Answer: B

Rationale: Encouraging the use of an incentive spirometer is crucial for preventing respiratory complications postoperatively, such as atelectasis. Instructing the client to avoid deep breathing exercises (choice A) is incorrect as deep breathing exercises help prevent respiratory complications. Assisting with ambulation every 2 hours (choice C) is important for preventing other postoperative complications but not specifically respiratory ones. Applying sequential compression devices (SCDs) (choice D) is beneficial for preventing deep vein thrombosis but not directly related to respiratory complications.

Correct Answer: B

Rationale: The correct answer is B. Insulin glargine has a 24-hour duration of action, making it suitable for once-daily dosing for long-term blood sugar control. Choice A is incorrect as insulin glargine is a long-acting insulin with no pronounced peak effect in its action profile. Choice C is incorrect as insulin glargine is usually given at the same time each day regardless of meals. Choice D is incorrect as there is no specific requirement to avoid eating before or after taking insulin glargine.