NCLEX-RN
NCLEX-RN Exam Practice Questions
Extract:
Question 1 of 5
A client's admission history reveals complaints of fatigue, chronic sore throat, and enlarged lymph nodes in the axilla and neck.
Correct Answer: A
Rationale: A complete blood count (CB
C) detects abnormal white blood cell counts, supporting a leukemia diagnosis. Chest x-ray (
B), bone marrow aspiration (
C), and CT scan (
D) are confirmatory but not initial tests.
Question 2 of 5
A 66-year-old female client has smoked 2 packs of cigarettes per day for 20 years. Her arterial blood gases on room air are as follows: pH 7.35; PO2 70 mm Hg; PCO2 55 mm Hg; HCO3 32 mEq/L. These blood gases reflect:
Correct Answer: B
Rationale: Normal pH with elevated PCO2 and HCO3 indicates compensated respiratory acidosis, common in chronic smokers due to CO2 retention.
Question 3 of 5
Based on your knowledge of genetic inheritance, which of these statements is true for autosomal recessive genetic disorders?
Correct Answer: D
Rationale: If both parents are affected by the disorder and are not just carriers, then all their children would manifest the same disorder.
Question 4 of 5
A client with a history of polycystic kidney disease has an order for an indwelling catheter. The nurse should give priority to:
Correct Answer: A
Rationale: Sterile technique during catheter insertion is critical in polycystic kidney disease to prevent urinary tract infections, which can worsen renal function. Bag position and clamping are secondary.
Question 5 of 5
The nurse is caring for a client with a nasogastric tube for decompression. Which action is most appropriate to ensure proper function?
Correct Answer: C
Rationale: Checking nasogastric tube placement (e.g., via pH or aspiration) before feedings or medications ensures the tube is in the stomach, preventing aspiration. Irrigation frequency depends on protocol, clamping may cause reflux, and supine positioning risks aspiration.