Correct Answer: D

Rationale: Elevating the affected extremity is crucial in managing deep vein thrombosis (DVT) as it helps reduce swelling and promotes venous return, thereby preventing further complications such as pulmonary embolism. Massaging the affected extremity can dislodge a clot and lead to serious consequences. While ambulation is important, in DVT, early ambulation without elevation can potentially dislodge the clot. Warm compresses can increase blood flow to the area and worsen the condition by promoting clot dislodgement.

Correct Answer: B

Rationale: The correct answer is B: Monitor serum creatinine. Serum creatinine is a key indicator of renal function as it reflects the glomerular filtration rate. An increase in serum creatinine levels indicates impaired kidney function. Checking blood glucose levels (choice A) is not specific to assessing renal function but is used to diagnose diabetes. Monitoring BUN (choice C) is important but not as specific as serum creatinine in assessing renal function. Checking electrolyte levels (choice D) is essential in assessing kidney function but is not as specific as monitoring serum creatinine.

Correct Answer: B

Rationale: Redness and warmth in the calf can indicate a deep vein thrombosis (DVT), which is a serious complication following hip replacement surgery. It is crucial to report this finding promptly for further evaluation and intervention. The other options, heart rates of 88/min and 96/min, are within normal limits for an adult and may not require immediate reporting. A urine output of 30 mL/hr is concerning for decreased kidney perfusion, but the priority in this case is the potential DVT due to its severe implications.

Correct Answer: D

Rationale: Corrected Rationale: Decreased deep tendon reflexes are a common finding in clients with hypothyroidism due to slowed metabolic processes. The other choices, such as bradycardia (slow heart rate), weight gain, and hypertension (high blood pressure) are not typically associated with hypothyroidism. Bradycardia can occur due to the decreased metabolic rate, but it is not a consistent finding. Weight gain is common but not universal, and hypertension is more commonly associated with hyperthyroidism.

Correct Answer: B

Rationale: The correct instruction that the nurse should include for a client postoperative following cataract surgery is to avoid bending at the waist. Bending at the waist can increase intraocular pressure, which is not recommended after cataract surgery. Choices A, C, and D are incorrect because lying flat for 24 hours after surgery may not be necessary, wearing an eye patch at night for a week is not a standard postoperative instruction for cataract surgery, and sleeping on the affected side may not necessarily reduce discomfort and can increase pressure on the eye.