Correct Answer: B

Rationale: In a situation where a client presents with Benzodiazepine toxicity, the priority action for the nurse is to assess the client. By identifying the client's level of orientation, the nurse can gather crucial information about the client's mental status, which is essential for determining the appropriate care and interventions needed. Administering flumazenil, infusing IV fluids, or preparing for gastric lavage may be necessary interventions but should follow a thorough assessment of the client's condition.

Correct Answer: C

Rationale: The correct answer is C. Brimonidine can absorb into soft contact lenses. To prevent this, the client should remove their contacts, instill the medication, and wait at least 15 minutes before putting the contacts back in to avoid potential absorption of the medication by the lenses.

Correct Answer: C

Rationale: Fresh frozen plasma is the appropriate blood product for a client with an elevated aPTT as it contains various coagulation factors that can help correct coagulopathies and prevent bleeding. It is not necessary to transfuse whole blood, platelets, or packed red blood cells in this situation as they do not directly address the coagulation factor deficiencies associated with an elevated aPTT.

Correct Answer: A

Rationale: Enalapril, an ACE inhibitor, commonly causes a persistent dry cough as an adverse effect. The nurse should closely monitor the client for this and instruct them to report it to the healthcare provider if it occurs.

Correct Answer: A

Rationale: St. John's wort can reduce the effectiveness of Warfarin by interacting with its metabolism pathways, potentially leading to decreased anticoagulant effects. Therefore, clients on Warfarin therapy should avoid St. John's wort. While echinacea, garlic, and ginseng are also herbal supplements that can interact with Warfarin, St. John's wort is particularly known for its significant impact on Warfarin metabolism.