Correct Answer: B

Rationale: Nifedipine, a calcium channel blocker, can lead to peripheral edema as an adverse effect. The nurse should closely observe the client's lower extremities for any signs of swelling, which could indicate the development of edema.

Correct Answer: A

Rationale: Before initiating Calcitonin-salmon, a skin test for allergy to the medication may be performed to prevent anaphylactic reactions. Allergic reactions can occur due to sensitivities to the drug, particularly in individuals with fish allergies. Therefore, it is essential for healthcare providers to assess the client's potential allergic response to Calcitonin-salmon through a skin test.

Correct Answer: A

Rationale: The correct instruction for a client with a new prescription for Phenytoin is to brush and floss their teeth regularly. Phenytoin is known to cause gingival hyperplasia, a condition that affects the gums. By maintaining good oral hygiene practices such as regular brushing and flossing, the client can help minimize the risk of developing this side effect.

Correct Answer: B

Rationale: The correct answer is B: Fever. Fever is a key symptom of serotonin syndrome, a potentially life-threatening condition that can occur with the use of serotonergic medications like Sertraline. Serotonin syndrome is characterized by a combination of symptoms, including fever, agitation, rapid heartbeat, sweating, shivering, tremors, and in severe cases, it can lead to seizures, coma, and even death. Therefore, the nurse should be vigilant in monitoring for fever as an early sign of serotonin syndrome in clients taking Sertraline.

Correct Answer: A

Rationale: To calculate the flow rate, divide the total volume by the total time: 750 mL / 6 hr = 125 mL/hr. Therefore, the IV pump should be set to deliver 125 mL/hr to infuse D5W 750 mL over 6 hours.