Math for Healthcare Professionals: Dosage Calculations and Fundamentals of Medication Administration
Student Resources

NCLEX Review

Please read each question and select your answer from the choices provided. You must complete all of the questions in order to view your results. At the end of each exam, you have the option to e-mail your results to your instructor.


1:  When Mr. Frances visits your clinic, his blood pressure is 168/102 mm Hg. He says he has not taken his pills in days because he ran out of them. You look at his medication bottle, which is empty, and see that the physician prescribed atenolol (Tenormin) 50 mg by mouth each morning. The nurse has samples of atenolol 25-mg tablets to dispense to the patient. How many tablets should the patient be instructed to take each morning?
A: 0.5 tablet.
B: 1 tablet.
C: 2 tablets.
D: 4 tablets.

2:  Mr. Cortez is seen in the clinic post myocardial infarction and has slight pitting edema of the legs bilaterally. The physician prescribes hydrochlorothiazide (HydroDiurel) 12.5 mg to be given orally now. The clinic stocks hydrochlorothiazide 25-mg tablets. How many tablets should the nurse give?
A: 0.05 tablet.
B: 0.5 tablet.
C: 1 tablet.
D: 1.5 tablets.

3:  Mrs. Harrington arrives in the Emergency Room with shortness of breath and edema. The physician prescribes a bolus of furosemide (Lasix) 100 mg IV push to be given STAT. The available vials are labeled “Furosemide 40 mg/2 mL.” How many milliliters of Lasix will the nurse give?
A: 2 mL.
B: 3 mL.
C: 5 mL.
D: 10 mL.

4:  Tony Giampitruzzi broke his right tibia playing football and is now postoperative day 1. He is prescribed morphine sulfate 6 mg slow IV push for moderate to severe pain every 6 hours. Tony says his pain is “8” on a 1–10 scale. The nurse has available morphine sulfate 2 mg/mL for intravenous use. How many milliliters of morphine should the nurse administer?
A: 2 mL.
B: 3 mL.
C: 4 mL.
D: 0.33 mL.

5:  Ms. Wallace complains of nausea after receiving her pain tablets. The physician prescribes promethazine hydrochloride (Phenergan) 12.5 mg to be given intramuscularly for nausea now. The pharmacy sends up a vial of Phenergan 25 mg/mL for IM use. How many milliliters of Phenergan should the nurse administer?
A: 0.5 mL.
B: 1 mL.
C: 2 mL.
D: 4 mL.

6:  Mrs. Smith has taken twice the recommended dose of her blood pressure pills by mistake. She comes into the Emergency Department with a blood pressure of 70/40 mm Hg. To treat the hypotension, the advanced practice nurse prescribes a 500-mL NS bolus to run in over 30 minutes. How many milliliters per hour should the pump be programmed to deliver?
A: 500 mL/h.
B: 1,000 mL/h.
C: 16.66 mL/h.
D: 250 mL/h.

7:  When Mr. Skiba's serum electrolytes come back, the results indicate he is becoming hypokalemic. The physician orders KCl elixir 40 mEq orally twice a day, to be given with his breakfast and evening meals. The concentration pharmacy dispenses is 20 mEq KCl/10 mL. How many milliliters of KCl elixir will the patient receive in the morning?
A: 2 mL.
B: 5 mL.
C: 10 mL.
D: 20 mL.

8:  After surgery, Mr. Collins requires a bolus of heparin. The nurse receives a written prescription from the surgeon for a heparin 5,000-unit bolus subcutaneously now. The heparin is dispensed in a vial with a concentration of 5,000 units/mL. How many milliliters should the nurse administer for the bolus?
A: 0.1 mL.
B: 0.5 mL.
C: 0.8 mL.
D: 1 mL.

9:  A 36-year-old patient, who is postoperative from a colectomy related to a gunshot wound, reports feeling anxious and asks the nurse if he is having a heart attack. The nurse reports the patient's increasing anxiety level to the physician, who prescribes alprazolam (Xanax) 0.25 mg to be given by mouth. The alprazolam is available in tablets each labeled 0.5 mg. How many tablets should the nurse administer?
A: 0.5 tablet.
B: 1 tablet.
C: 2 tablets.
D: 4 tablets.

10:  Mr. Williamson has just converted back to NSR (normal sinus rhythm) after being on a nitroglycerin drip. The physician prescribes diltiazem hydrochloride (Cardizem) 180 mg by mouth daily, with the first dose to be given now. The diltiazem hydrochloride is available in 60-mg tablets. How many tablets should the nurse give?
A: 2 tablets.
B: 3 tablets.
C: 4 tablets.
D: 6 tablets.

11:  Mr. Juswishin complains of severe headache (9 out of 10 on a pain scale). The nurse obtains the following vital signs: BP 126/76, NSR at 82, RR 18. Patient denies shortness of breath. The physician orders morphine sulfate 2 mg slow IV push now. The nurse has available morphine sulfate 4 mg/mL for intravenous use. How many milliliters of morphine sulfate should the nurse administer?
A: 0.2 mL.
B: 0.5 mL.
C: 1 mL.
D: 2 mL.

12:  Mrs. Ramsey has pulmonary edema, so the physician prescribes furosemide (Lasix) 60 mg slow IV push now. You have furosemide available as a 100 mg/10 mL vial. How many milliliters of Lasix should you administer?
A: 0.6 mL.
B: 1.66 mL.
C: 6 mL.
D: 60 mL.

13:  To control Mr. Anderson's blood pressure, the physician prescribes metoprolol tartrate (Lopressor, Toprol XL) 75 mg by mouth now. The pharmacy dispenses Lopressor as 50 mg per scored tablet. How many tablets should the nurse give?
A: 0.75 tablet.
B: 1.25 tablets.
C: 1.5 tablets.
D: 2.5 tablets.

14:  For the prevention of postoperative thromboembolism, the surgeon prescribes heparin 4,000 units subcutaneously now. The dosage available is heparin 5,000 units/mL. How many milliliters should the nurse administer?
A: 0.2 mL.
B: 0.8 mL.
C: 1.25 mL.
D: 1.8 mL.

15:  Mrs. Sullens has chronic bronchitis with an infection. To treat the infection, the physician prescribes gatifloxacin (Tequin) 400 mg to infuse in over 2 hours. The pharmacy delivers gatifloxacin 400 mg in a 200-mL bag of NS. What should be the rate of the infusion, in milliliters per hour, to complete the Tequin infusion?
A: 25 mL/h.
B: 50 mL/h.
C: 100 mL/h.
D: 200 mL/h.

Optional: Enter your name and your instructor's E-mail address to have your results E-mailed to him or her.
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