Correct Answer: A

Rationale: The client is expressing a fear of negative outcomes related to the transplant. By offering information about advance directives, the nurse allows the client to discuss concerns and preferences for end-of-life care. This response shows empathy, acknowledges the client's autonomy, and addresses the client's fears while providing support and information.

Correct Answer: B

Rationale: During an acute asthma attack, the priority is to quickly relieve bronchospasm and improve breathing. Short-acting beta agonists, like albuterol, are the first-line medications as they rapidly relax bronchial muscles, providing immediate relief. Oral corticosteroids are used as adjunct therapy to reduce airway inflammation over time, while leukotriene receptor antagonists and long-acting beta agonists are not appropriate for immediate relief during an acute attack.

Correct Answer: C

Rationale: The Joint Commission's Core Measures set for MI includes percutaneous coronary intervention within 90 minutes of the diagnosis of myocardial infarction. Since the client presented at 1500 (3:00 PM), the percutaneous coronary intervention should be performed no later than 1630 (4:30 PM), to adhere to the 90-minute timeline for optimal outcomes.

Correct Answer: A

Rationale: Respect for autonomy involves allowing individuals to make decisions about their care. By asking if the client has questions before signing a consent form, the nurse is respecting the client's right to make informed choices and decisions regarding their healthcare. This action supports the principle of self-determination and autonomy in healthcare decision-making.

Correct Answer: B

Rationale: For clients on heparin therapy, a PTT value of 1.5 to 2.5 times the normal range is required to ensure therapeutic anticoagulation. The normal PTT range is 25 to 35 seconds. In this case, the client's PTT of 25 seconds falls below the therapeutic range, indicating that the heparin dose is insufficient. Therefore, the nurse should anticipate increasing the heparin rate to achieve the desired therapeutic effect.