Correct Answer: D

Rationale: The correct instruction for a client prescribed losartan (Cozaar) is to report any swelling of the lips or face. Losartan can cause angioedema, which is a serious side effect that requires immediate medical attention. Clients do not need to avoid potassium-rich foods unless specifically instructed by their healthcare provider. Taking the medication with grapefruit juice is not recommended as it can interact with certain medications. Additionally, monitoring blood pressure regularly is important, but it should not be limited to a weekly basis; blood pressure should be monitored as per the healthcare provider's recommendation.

Correct Answer: B

Rationale: The priority when administering etanercept (Enbrel) to a client with rheumatoid arthritis is to monitor white blood cell counts and platelet counts. Etanercept can lead to infections and pancytopenia, making it crucial to assess for changes in these blood parameters to detect any potential complications early on.

Correct Answer: C

Rationale: Intranasal desmopressin can cause a runny or stuffy nose as a side effect due to its mode of administration through the nasal passages.

Correct Answer: C

Rationale: The correct answer is C. Streptokinase therapy is contraindicated in severe uncontrolled hypertension due to the risk of cerebral hemorrhage. A blood pressure of 198/110 mm Hg indicates severe hypertension, which needs to be addressed before initiating streptokinase to prevent potential complications.

Correct Answer: D

Rationale: Persistent vomiting can be a sign of lithium toxicity, which requires immediate medical attention. Increased thirst, fine hand tremors, and frequent urination are common side effects of lithium.