Level 1 - Dosage Calculation Practice Problems.
JD Learning Lab
1. A physician orders gr 1/6 of morphine. Drug is available in 15mg/cc. Give: (ans: 0.67cc)
2. Prepare 0.8 mg of atropine sulfate from a vial containing 0.6mg/cc. Give: (ans 1.33 ml)
3. A patient is to receive 0.25 GM of absorbic acid from a container labeled 500 mg in 2 ml. Give: (ans 1.00 ml)
4. A vial of penicillin solution contains 400,000 U/ml. You are to give 500,000 U. Give: (ans 1.25 ml)
5. Prepare codeine sulfate gr. 2/3 from an ampule labeled codeine sulfate 60mg/cc. Give: (ans 0.67 cc)
6. A patient is to receive gr 3/4 of phenergan. Phhenergan is available in 25mg/ml. Give: (ans 1.80 ml)
7. A physician ordered 1,500,000 units of penicillin labeled 5,000,000 units/cc. Give: (ans 0.30 cc)
8. 8,000 units of heparin is ordered. Dosage on hand is 10,000 units per 1 cc. Give: (ans 0.80 cc)
9. Thiamine hydrochloride is available in 15 mg tablets. You are to give gr 1/2. Give: (ans 2 tab)
10. Crystodigin from an ampule labeled 0.2 mg in 1 ml. Prepare 0.15 mg. Give: (ans .75 ml)
11. Lanoxin 0.1 mg tablets are available. Give gr 1/300. Give: (ans 2 tabs)
12. Ferrous sulfate 0.2 GM tablets are available. Give gr vi qid. How many tablets for each dose? How many tablets for a 24 hour period? (2 tabs per dose, and 8 tabs in 24 hours)
13. Phenobarb 15 mg is ordered, you have on hand phenobarb 20 mg/5 cc. Give: (ans 3.75 cc)
14. Kantrex 75 mg is ordered, you have on hand kantrex 0.5 GM in 2 ml. Give: (ans 0.30 cc)
15. Atropine gr 1/450 is ordered, you have on hand atropine 0.4 mg/cc Give: (ans 0.33 cc)
16. Penicillin 75,000 U is ordered, you have on hand penicillin 600,000 units/cc. Give: (ans 0.13 cc)
17. A bottle contains gr 1 1/4 tablets of asprin. How many tablets are needed to give 150 mg? (ans 2 tabs)
18. Ordered is mandol 600 mg IM, you have on hand Mandol 1 GM which mixes up to give 225 mg/cc. Calculate the dosage: (ans 2.67 cc)
19. Morphine gr 1/12 is ordered. On hand is morphine sulphate 15mg/cc. Give:(ans 0.33 cc)