NCLEX-PN
Free NCLEX-PN Practice Questions Questions
Extract:
Question 1 of 5
A patient is prescribed warfarin (Coumadin) for atrial fibrillation. Which of the following lab values should the nurse monitor to determine the effectiveness of the medication?
Correct Answer: C
Rationale: Warfarin’s anticoagulant effect is monitored via PT/INR, which assesses clotting time and therapeutic range for atrial fibrillation (typically INR 2.0–3.0). Platelet count, hemoglobin, and aPTT are not primary indicators for warfarin.
Question 2 of 5
First-time parents bring their 5 day-old infant to the pediatrician's office because they are extremely concerned about its breathing pattern. The nurse assesses the baby and finds that the breath sounds are clear with equal chest expansion. The respiratory rate is 38-42 breaths per minute with occasional periods of apnea lasting 10 seconds in length. What is the correct analysis of these findings?
Correct Answer: C
Rationale: This breathing pattern is normal. Newborns typically have a respiratory rate of 30-60 breaths/minute with brief apneic periods.
Extract:
Kussmaul breathing:
Question 3 of 5
Kussmaul breathing:
Correct Answer: D
Rationale: Kussmaul breathing is a rapid, deep pattern compensating for metabolic acidosis.
Extract:
To evaluate possible laryngeal nerve injury following a thyroidectomy, the nurse on an hourly basis should:
Question 4 of 5
Ask the patient to speak.
Correct Answer: A
Rationale: If the laryngeal nerves are injured bilaterally during surgery, the vocal cords will tighten, interfering with speech. If one cord is affected, hoarseness develops. This can be evaluated simply by having the patient speak every hour.
Extract:
Question 5 of 5
The provider orders potassium chloride 1.25 mEq for a pediatric client. The solution contains 45 mEq per 15 mL. How many mL will you administer?
Correct Answer: B
Rationale: (1.25 mEq ÷ 45 mEq) × 15 mL = 0.4167 mL, rounded to 0.42 mL for practical administration. Other options are miscalculations.