Correct Answer: C

Rationale: When a patient is being treated with Lithium, a life-threatening side effect to watch out for is seizures. Seizures are serious and necessitate prompt medical intervention to ensure the patient's safety and well-being.

Correct Answer: A

Rationale: Propranolol is contraindicated in clients with a history of asthma because it can cause bronchospasms due to its non-selective beta-blocking properties. By blocking beta-2 receptors in the lungs, propranolol can lead to bronchoconstriction, potentially triggering asthma symptoms and exacerbating respiratory issues. It is essential for individuals with asthma to avoid medications like propranolol that can worsen their condition.

Correct Answer: A

Rationale: The correct answer is to advise the client to avoid consuming foods high in vitamin K. Warfarin's effectiveness can be affected by vitamin K intake. Clients should maintain a consistent intake of vitamin K and avoid sudden increases in foods high in vitamin K to ensure the medication works properly and consistently.

Correct Answer: C

Rationale: ACE inhibitors are commonly used in the treatment of hypertension, heart failure, and diabetic nephropathy due to their ability to reduce blood pressure, improve heart function, and protect the kidneys. However, they are not indicated for hypotension as they can further lower blood pressure, worsening the condition.

Correct Answer: B

Rationale: Muscle pain can be a sign of rhabdomyolysis, a rare but serious side effect of statins like atorvastatin, and should be reported immediately. This is crucial to monitor for potential complications and ensure timely intervention if needed.