Correct Answer: B

Rationale: When used for more than 5 days, nasal sympathomimetic medications like phenylephrine can lead to rebound nasal congestion, which is an adverse effect to be assessed in the client.

Correct Answer: B

Rationale: The nurse should instruct the client to report fever when starting rituximab therapy. Fever can be a sign of infection, which is a potential complication associated with rituximab. Early detection and treatment of infections are important to ensure the client's safety and well-being.

Correct Answer: B

Rationale: The priority adverse effect to report when a child is prescribed Desipramine is suicidal thoughts. Desipramine can lead to an increased risk of suicidal thoughts and behaviors. It is crucial for the parents to monitor the child for any signs of worsening depression or thoughts of self-harm and report them promptly to the healthcare provider to prevent any harm to the child.

Correct Answer: B

Rationale: Pamidronate is administered through intravenous (IV) infusion. As this medication can be irritating to veins, the healthcare professional should carefully assess the IV site for thrombophlebitis during administration to prevent potential complications.

Correct Answer: A

Rationale: The correct answer is hyperkalemia. Spironolactone is a potassium-sparing diuretic that can lead to an increase in potassium levels. Hyperkalemia can be dangerous, causing muscle weakness and cardiac dysrhythmias, making it essential for the nurse to monitor potassium levels closely when a client is on Spironolactone.