Correct Answer: B

Rationale: For patients who lack risk factors for GI bleeding, combined use of clopidogrel with a PPI, may reduce the effects of clopidogrel without offering any real benefits and thus should be avoided.

Correct Answer: B

Rationale: When captopril, an ACE inhibitor, is combined with lithium, it can lead to lithium accumulation. Therefore, monitoring lithium levels is crucial to prevent toxicity. While ACE inhibitors like captopril can cause hyperkalemia, renal insufficiency, and hypotension, the risk of these effects is not increased by the combination of lithium and captopril.

Correct Answer: C

Rationale: The blood gas values indicate uncompensated respiratory acidosis. In respiratory acidosis, there is an increased PCO2, decreased pH, and a normal HCO3 level. This condition requires immediate attention to address the underlying respiratory problem causing the acidosis.

Correct Answer: C

Rationale: Chopped meat is the most difficult to swallow as it requires thorough chewing and coordination to avoid swallowing hazards, making it more challenging compared to raw vegetables, strained fruit, and mashed vegetables.

Correct Answer: D

Rationale: Using wrist splints can help maintain alignment and prevent contractures in a child with cerebral palsy. This intervention is crucial in managing the condition and supporting the child's mobility and function.