NCLEXSim
Today's free NCLEX question. Come back tomorrow for a new one.
Pharmacological and Parenteral Therapies · Calculation · Take action

A heparin bolus of 80 units/kg IV is prescribed for a client who weighs 75 kg. The vial contains 5,000 units/mL. How many mL should the nurse give?

mL

Show answer and rationale

Answer: 1.2 mL

Dose: 80 units × 75 kg = 6,000 units. Volume: 6,000 ÷ 5,000 = 1.2 mL. Heparin is high-alert; get an independent double check.

Source: Pickar. Dosage Calculations; ISMP High-Alert Medications

Keep practicing Pharmacological and Parenteral Therapies

This question is one of 182 Pharmacological and Parenteral Therapies items in NCLEXSim. On the NCLEX-RN, this category makes up 13–19% of the exam.

Practice more Pharmacological and Parenteral Therapies questions freeCreate a free account
Study tip
  • Learn high-alert drugs by their hold parameters and antidotes: digoxin, warfarin (vitamin K), heparin (protamine), opioids (naloxone), insulin, potassium.
  • Do 10 dosage calculations a day: tablets, liquids, mL/hr, gtt/min, mg/kg, and units/hr. Convert units first, round last.

More free Pharmacological and Parenteral Therapies questions

Practice the way the NCLEX tests you

1,059 fact-checked questions, a full adaptive exam that stops by the real rules, a proctored test-day mode with an integrity report, 8 NGN case studies, bedside simulations, and ACLS megacodes. Free.

Take the free adaptive examRehearse test day