NCLEX-RN
Free NCLEX RN Practice Test Questions
Extract:
Question 1 of 5
The nurse is preparing to administer a dose of regular insulin to a client based on a sliding scale. The client’s blood glucose is 320 mg/dL. The sliding scale orders 6 units of regular insulin for a blood glucose of 301–350 mg/dL. Which of the following actions should the nurse take?
Correct Answer: A
Rationale: the sliding scale indicates 6 units for a blood glucose of 320 mg/dL, so the dose is correct
Question 2 of 5
The nurse is caring for a client with pneumonia who is allergic to penicillin. Which antibiotic is safest to administer to this client?
Correct Answer: C
Rationale: Erythromycin is a macrolide, safe for penicillin-allergic clients, unlike cefazolin, amoxicillin, or ceftriaxone, which are beta-lactams with cross-reactivity risks.
Question 3 of 5
A 17-year-old adolescent, diagnosed with schizophrenia, is admitted by the nurse to a psychiatric facility. Which behaviors would characterize this diagnosis? Select all that apply.
Correct Answer: A,C
Rationale: Flat affect and hallucinations are hallmark symptoms of schizophrenia. Fast speech or feeling energized may occur but are not specific to this diagnosis.
Question 4 of 5
A client receiving Vancocin (vancomycin) has a serum level of 20 mcg/mL. The nurse knows that the therapeutic range for vancomycin is:
Correct Answer: B
Rationale: The therapeutic range for vancomycin is 10-25 mcg/mL, ensuring efficacy while minimizing toxicity; a level of 20 mcg/mL is within this range.
Question 5 of 5
A pregnant client, age 32, asks the nurse why her doctor has recommended a serum alpha fetoprotein. The nurse should explain that the doctor has recommended the test:
Correct Answer: D
Rationale: Serum alpha fetoprotein screening detects neural tube defects, such as spina bifida.