1. Phenobarbital is supplied as 60 mg/mL. You need to administer 160 mg IV stat. How many milliliters should you administer?

- 0.4 mL
- 1.7 mL
- 2 mL
- 2.7 mL

2. You have an order for morphine 4 mg IV push every 2 hours prn dyspnea. You have morphine gr 1/6 per mL on hand. How many milliliters should you prepare?

- 0.1 mL
- 0.4 mL
- 4 mL
- 8 mL

3. You need to administer amphotericin B 0.5 mg/kg IV daily to a patient with histoplasmosis who weighs 236 pounds. How many milligrams should you expect to administer each day?

- 236 mg
- 118 mg
- 107.3 mg
- 53.6 mg

4. You have an order to infuse 500 mL normal saline IV over 4 hours. How many drops per minute will you set on gravity tubing that delivers 10 gtts/mL?

- 13 gtts/min
- 21 gtts/min
- 25 gtts/min
- 33 gtts/min

5. A patient is to receive cefuroxime (Zinacef) 1 g in D5W 100 mL IV every 8 hours, to infuse over 60 minutes. How many drops per minute do you set on gravity tubing that delivers 10 gtts/mL?

- 13 gtts/min
- 17 gtts/min
- 24 gtts/min
- 38 gtts/min

6. You have an order for furosemide (Lasix) 80 mg IV every morning. You have on hand Lasix 20 mg in 2 mL sterile water. How many milliliters should you prepare?

- 2 mL
- 4 mL
- 6 mL
- 8 mL

7. You need to administer 40 mg of furosemide (Lasix) PO. You have on hand Lasix 20 mg tablets. How many tablets should you give?

- 1 tablet
- 2 tablets
- 2.5 tablets
- 4 tablets

8. You have an order for heparin 3000 units SC every 12 hours. You have available 5000 units/mL. How many milliliters will you give?

- 1 mL
- 0.2 mL
- 0.6 mL
- 1.2 mL

9. You need to administer 15 mg of morphine IM. You have on hand gr 1/4 per mL. How should you prepare the correct dose?

- 1 mL
- 2 mL
- 4 mL
- 7.5 mL

10. You have an order for levothyroxine (Synthroid) 0.05 mg PO. You have on hand Synthroid 100 mg tablets. How should you prepare the correct dose?

- 2 tablets
- 1 1/2 tablets
- 1 tablet
- 1/2 tablet

###### Answers and Rationales

**Answer: D.**160~~mg~~x (1mL/60~~mg~~)=**2.7 mL****Answer: B.**4~~mg~~x (1~~gr~~/60mg) x [1mL/ (1/6~~gr~~)]=**0.4 mL****Answer: D.**(0.5 mg/~~kg~~) x 236~~lbs~~x (1~~kg~~/2.2~~lbs~~)=**53.6 mg****Answer: B.**(500~~mL~~/4~~hrs~~) x (1~~hr~~/60 mins) x (10 gtts/~~mL~~)=**21 gtts/min****Answer: B.**(100~~mL~~/60 mins) x (10 gtts/~~mL~~)=**17 gtts/min****Answer: D.**80~~mg~~x (2mL/20~~mg~~)=**8 mL****Answer: B.**40~~mg~~x (1 tablet/20~~mg~~)=**2 tablets****Answer: C.**3,000~~units~~x (1mL/5,000~~units~~)=**0.6 mL****Answer: A.**15~~mg~~x (1~~gr~~/60~~mg~~) x [1 mL/ (1/4~~gr~~)]**=1 mL****Answer: D.**0.05~~mg~~x (1,000~~mcg~~/1~~mg~~) x (1 tablet/100~~mcg~~)=**1/2 tablet**