RN Registered Nurse 2

Question 1

A patient receiving IV vancomycin develops flushing, erythema, and hypotension during the infusion. What is the most likely cause?

Accepted Answer

Red man syndrome

Answer

Red man syndrome is a rate-related reaction to vancomycin characterized by flushing, erythema, and hypotension that is prevented by slowing the infusion rate.

Question 2

A nurse is preparing to administer digoxin. Which finding should prompt the nurse to withhold the dose and notify the provider?

Accepted Answer

Serum potassium of 3.2 mEq/L

Answer

Hypokalemia (K+ < 3.5 mEq/L) potentiates digoxin toxicity by increasing myocardial sensitivity to the drug.

Question 3

When performing a focused assessment on a patient with suspected deep vein thrombosis (DVT), which finding is most significant?

Accepted Answer

Unilateral calf warmth, redness, and tenderness

Answer

Unilateral calf warmth, redness, and tenderness are classic signs of DVT, distinguishing it from bilateral or systemic causes.

Question 4

A nurse is caring for a patient in sickle cell crisis. Which intervention is the highest priority?

Accepted Answer

Administer prescribed analgesics

Answer

Pain management is the highest priority in sickle cell crisis, as vaso-occlusion causes severe ischemic pain requiring prompt opioid analgesia.

Question 5

A patient with COPD is receiving oxygen therapy. The nurse notes the respiratory rate has dropped to 8 breaths/min. What is the most likely explanation?

Accepted Answer

High-flow oxygen suppressed the hypoxic drive

Answer

Patients with COPD may rely on hypoxic drive for ventilation; high-flow oxygen can suppress this drive and cause respiratory depression.

RN - Registered Nurse Practice Test

RN - Registered Nurse Practice Test

RN Registered Nurse 2