NCLEX-RN
NCLEX RN Question Bank Free Questions
Extract:
Question 1 of 5
The nurse is evaluating the effectiveness of antimicrobial therapy for a client diagnosed with infective endocarditis. The nurse determines that which finding is the least reliable indicator of effectiveness?
Correct Answer: B
Rationale: A systolic heart murmur, once present in the client, will not resolve spontaneously and is therefore the least reliable indicator. Clear breath sounds are a normal finding, and in this instance could mean resolution of heart failure, if that was accompanying the endocarditis. Negative blood cultures and normothermia indicate resolution of infection.
Question 2 of 5
A client with a history of peptic ulcer disease is prescribed ranitidine (Zantac). The nurse should explain that this medication works by:
Correct Answer: B
Rationale: Ranitidine, an H2-receptor blocker, reduces gastric acid secretion, helping to heal peptic ulcers.
Question 3 of 5
A client with a diagnosis of myasthenia gravis is prescribed pyridostigmine (Mestinon). The nurse should teach the client to take the medication:
Correct Answer: B
Rationale: Pyridostigmine should be taken with food to reduce gastrointestinal side effects like nausea.
Question 4 of 5
After a lobectomy for lung cancer, the nurse instructs the client to perform deep-breathing exercises to:
Correct Answer: D
Rationale: Deep-breathing exercises expand alveoli, increasing lung surface area for ventilation post-lobectomy.
Question 5 of 5
A client with a history of liver failure is prescribed lactulose (Cephulac). The nurse should monitor the client for which of the following therapeutic effects?
Correct Answer: A
Rationale: Lactulose reduces ammonia levels by promoting its excretion in hepatic encephalopathy.