Correct Answer: B

Rationale: The correct answer is to instruct the client to avoid taking Levofloxacin with dairy products. This is because calcium in dairy products can interfere with the absorption of the medication. Patients should be advised to take Levofloxacin either 1 hour before or 2 hours after consuming dairy products to ensure optimal effectiveness.

Correct Answer: A

Rationale: To calculate the flow rate in mL/hr: (Volume in mL / Time in hours) = Flow rate in mL/hr. In this case, (100 mL / 0.5 hr) = 200 mL/hr. The correct calculation is: 100 mL (volume) / 0.5 hr (time) = 200 mL/hr.

Correct Answer: A

Rationale: The correct answer is to increase the intake of potassium-rich foods. Prednisone can lead to potassium depletion; therefore, it is essential for clients to consume foods high in potassium such as bananas, oranges, and spinach to counteract this effect and maintain electrolyte balance.

Correct Answer: C

Rationale: Dyspnea is a concerning finding in a client receiving Mannitol as it can be a manifestation of heart failure, which is an adverse effect of the medication. The nurse should promptly notify the provider, discontinue the Mannitol, and initiate appropriate interventions to address the dyspnea and monitor the client's condition closely.

Correct Answer: B

Rationale: The correct instruction for a client with a new prescription for Simvastatin is to avoid drinking grapefruit juice. Grapefruit juice can inhibit the metabolism of Simvastatin, leading to increased blood levels of the drug and a higher risk of adverse effects such as muscle pain and liver damage. It is important to educate the client about this potential interaction to ensure the safe and effective use of the medication.