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NCLEX PN Practice Tests Questions

Extract:


Question 1 of 5

A client asks, 'What should I do to prepare for a colonoscopy?' Which instructions should the nurse reinforce to correctly answer the client’s question? Select all that apply.

Correct Answer: A,D,E

Rationale: Fasting 8 hours, clear liquids the day before, and polyethylene glycol are standard colonoscopy preparations. Antibiotics are not routine, and smoking cessation is not specific to the procedure.

Question 2 of 5

A client is admitted to the coronary care unit with an acute myocardial infarction. The pain associated with acute myocardial infarction results from:

Correct Answer: B

Rationale: Myocardial infarction pain is caused by ischemia of the myocardium due to reduced blood flow, leading to tissue hypoxia.

Question 3 of 5

The nurse is reviewing new medication prescriptions for a client who has a suspected brain tumor. The client is scheduled for a CT scan of the head with IV iodinated contrast in 24 hours. The nurse should clarify the prescription for

Correct Answer: C

Rationale: Metformin should be held before and after iodinated contrast due to the risk of lactic acidosis if contrast-induced kidney injury occurs. Gabapentin, amlodipine, and phenytoin are safe with contrast.

Question 4 of 5

Which nursing intervention is most critical during the administration of Acyclovir (Zovirax)?

Correct Answer: D

Rationale: Acyclovir can cause renal toxicity; encouraging fluids promotes renal perfusion and reduces risk of crystal formation in the kidneys.

Extract:

Medication administration record
Allergies: No known allergies
Sliding-Scale Serum Glucose Level Regular Insulin Dose
<150 mg/dL (<8.3 mmol/L) 0 units
150-199 mg/dL (8.3-11 mmol/L) 3 units
200-249 mg/dL (11.1-13.8 mmol/L) 5 units
250-299 mg/dL (13.9-16.6 mmol/L) 7 units
≥300 mg/dL (≥16.7 mmol/L) 9 units and notify the health care provider


Question 5 of 5

The nurse is caring for a client who has a prescription for 25 units of NPH insulin and sliding-scale regular insulin. The client's serum glucose level is 237 mg/dL (13.2 mmol/L). How many total units of insulin should the nurse administer to the client? Record your answer using a whole number.

Correct Answer: 29

Rationale: Assuming a sliding-scale protocol (e.g., 4 units for 201-250 mg/dL), 25 units NPH + 4 units regular = 29 units total.

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