Correct Answer: A

Rationale: An INR of 1.5 is below the therapeutic range for clients on anticoagulation therapy, increasing the risk of clot formation. A lower INR indicates inadequate anticoagulation, which can lead to thrombus formation and potential complications such as progression or recurrence of deep vein thrombosis. Platelet count, hemoglobin level, and aPTT are important parameters to monitor in a client with DVT. However, in this scenario, the most concerning value is the suboptimal INR level because it signifies a lack of anticoagulation effectiveness and poses a higher risk of clotting issues.

Correct Answer: D

Rationale: When a client expresses feelings of hopelessness or worthlessness, it is crucial for the nurse to assess for suicidal ideation. Asking the client directly if she plans to harm herself is essential to determine the level of risk and ensure appropriate interventions are implemented. Recommending spiritual guidance (Choice A) may not address the immediate safety concerns related to suicidal ideation. Requesting additional support from the client's family (Choice B) is not as direct in addressing the client's safety. While stating that the client's response is a normal part of grief (Choice C) may provide validation, it does not address the potential risk of harm to the client.

Correct Answer: B

Rationale: As individuals age, it is common to experience changes in vision and hearing, leading to some decline in these senses. Slower light touch sensation and slower fine finger movement are also typical findings associated with aging. However, some short-term memory decline is more closely related to cognitive aging rather than typical age-related changes in the neurologic system. Therefore, the correct answer is the decline in vision and hearing. Decreased risk of depression is not a typical finding in aging; in fact, the risk of depression may increase as individuals age.

Correct Answer: A

Rationale: Placing a pillow under the patient's lower legs when in the prone position is essential to allow dorsiflexion of the ankles and some knee flexion, which promote relaxation. This position also helps in maintaining proper alignment of the spine. Options B, C, and D are incorrect because turning the head, positioning legs flat against the bed, and raising the head of the bed to 45 degrees are not appropriate actions for a patient in the prone position. Turning the head to one side with a large, soft pillow is commonly done for patients in the supine position to maintain proper alignment and airway patency. Positioning legs flat against the bed is more suitable for a patient in a supine or semi-fowler's position. Raising the head of the bed to 45 degrees is typically done for patients who need semi-fowler's positioning for respiratory support or to prevent aspiration.

Correct Answer: B

Rationale: To calculate the correct rate of infusion, divide the total volume by the total time: 250 ml / 4 hours = 62.5 ml/hour, which is rounded up to 63 ml/hour. This rate ensures the proper administration of the KCl over the 4-hour period. Choice A (13 ml/hour) is incorrect as it does not match the calculated rate. Choices C (80 ml/hour) and D (125 ml/hour) are also incorrect as they do not correspond to the calculated rate needed for the specified time frame.