RN Registered Nurse: Pharmacological & Parenteral Therapies 2

Question 1

A patient on warfarin has an INR of 5.8. Which intervention is most appropriate?

Accepted Answer

Administer vitamin K as ordered

Answer

An INR of 5.8 is supratherapeutic, indicating excessive anticoagulation; vitamin K reverses warfarin's effect.

Question 2

Which electrolyte imbalance is most associated with loop diuretic use?

Accepted Answer

Hypokalemia

Answer

Loop diuretics inhibit reabsorption in the loop of Henle, causing potassium wasting and hypokalemia.

Question 3

A nurse is preparing to administer insulin glargine. Which statement is correct?

Accepted Answer

It has no defined peak and provides basal coverage

Answer

Insulin glargine is a long-acting basal insulin with no pronounced peak, providing steady 24-hour coverage.

Question 4

A patient receiving vancomycin develops flushing and erythema of the face and neck during infusion. The nurse should:

Accepted Answer

Slow the infusion rate and notify the provider

Answer

Red man syndrome from vancomycin is managed by slowing the infusion rate; it is not a true allergic reaction.

Question 5

Which medication requires the nurse to monitor QTc interval on an ECG?

Accepted Answer

Ondansetron

Answer

Ondansetron (Zofran) can prolong the QT interval, increasing the risk for torsades de pointes.

RN - Registered Nurse Practice Test