Correct Answer: B

Rationale: Coarse tremors are a common sign of Lithium toxicity. Monitoring for tremors is crucial as they can indicate a potentially serious complication that requires immediate intervention. While other options such as severe hypertension, constipation, and muscle spasm may be symptoms of various conditions, they are not typically associated with Lithium toxicity.

Correct Answer: C

Rationale: Capecitabine is known to cause neutropenia as a common adverse effect due to bone marrow suppression. Neutropenia increases the risk of infections and requires close monitoring to prevent complications.

Correct Answer: A

Rationale: Bradycardia is a common sign of Digoxin toxicity. Digoxin can lead to toxicity, which can manifest as various signs and symptoms, including bradycardia. Monitoring the client's heart rate closely is crucial to detect and manage potential toxicity early.

Correct Answer: B

Rationale: The correct answer is to avoid foods high in vitamin K. Vitamin K can interfere with the effectiveness of Warfarin by counteracting its anticoagulant effects. Foods high in vitamin K, such as leafy green vegetables, should be limited in the diet of individuals taking Warfarin to maintain a consistent level of the medication's effectiveness.

Correct Answer: C

Rationale: In a client receiving Magnesium Sulfate IV continuous infusion for Preeclampsia, a urinary output less than 25 to 30 mL/hr is indicative of magnesium sulfate toxicity and should be promptly reported to the provider for further evaluation and management.