Correct Answer: A

Rationale: In this scenario, the client is experiencing severe hypotension due to Verapamil administration. The appropriate medication to counteract the vasodilation caused by Verapamil and reverse severe hypotension is Calcium gluconate, which should be administered slowly IV.
Therefore, the correct choice is Calcium gluconate (
Choice
A).

Correct Answer: C

Rationale: The nurse should monitor the aPTT (activated partial thromboplastin time) when caring for a client receiving Heparin therapy. The aPTT reflects the intrinsic pathway of the clotting cascade and is used to monitor the effectiveness of heparin, which primarily affects this pathway by potentiating antithrombin III. Monitoring the aPTT helps ensure that the client's blood is within the therapeutic range to prevent thrombus formation.

Correct Answer: B

Rationale: Vitamin K can interfere with the effectiveness of Warfarin. Clients should avoid foods high in vitamin K, such as leafy green vegetables.

Correct Answer: A

Rationale: St. John's wort should be avoided by clients taking Warfarin as it can reduce the medication's effectiveness. The nurse should also advise the client to avoid other supplements that may interact with Warfarin, such as garlic and ginseng.

Correct Answer: B

Rationale: The priority adverse effect to report when a child is taking Desipramine is suicidal thoughts. Desipramine can lead to an increased risk of suicidal thoughts and behaviors. The nurse should emphasize to the parents the importance of monitoring the child for any signs of worsening depression or suicidal ideation. Prompt reporting of such symptoms can help prevent harm to the child.