SELF-TEST: Dosage calculation dilemmas

\$3.95
Nursing2015
June 2004
Volume 34  Number 6
Pages 76 - 79

ABSTRACT
Outline

• Source

Put the calculator down and try your hand at these problems .

1. The improper fraction 11/2 converted into a mixed number is

a. 2/11

b. 5 1/11

c. 5 1/2

2. The sum of 1/2 + 3/4 + 6/10 equals

a. 1 8/10

b. 1 17/20

c. 2 1/4

3. The fraction 1/75 divided by the fraction 1/25 equals

a. 1/100

b. 1/3

c. 3

4. The decimal fraction 4.3 divided by 8.6 yields

a. 0.5

b. 2

c. 20

5. When you round 21.3478 off to the nearest hundredth, it becomes

a. 21.34

b. 21.348

c. 21.35

6. 31% of 105 is

a. 3.15

b. 31.5

c. 32.55

7. When you convert 20% to a decimal fraction, it becomes

a. 0.02

b. 0.2

c. 2

8. In fraction form, the proportion 1:4::4:16 is

a. 4/1 = 4/16

b. 1/4 = 4/16

c. 4/4 = 1/16

9. If a vial has 20 mg of drug in 50 ml of solution, how much is in 10 ml of solution?

a. 4 mg

b. 5 mg

c. 10 mg

10. In the proportion 3:9::9: X , X equals

a. 3

b. 27

c. 81

11. How much chlorine bleach should you add to 500 ml of water to make a solution that contains 10 ml of chlorine bleach for every 100 ml of water?

a. 5 ml

b. 10 ml

c. 50 ml

12. A patient weighs 70 kg. How many pounds is this?

a. 40 pounds

b. 70 pounds

c. 154 pounds

13. Ampicillin, 250 mg, has been ordered for a patient. The medication is supplied as an oral suspension, 125 mg per 5 ml. How many milliliters should he get?

a. 1 ml

b. 5 ml

c. 10 ml

14. The health care provider prescribes meperidine, 75 mg. The pharmacy stocks a multidose vial containing 100 mg/ml. How many milliliters should you administer?

a. 0.25 ml

b. 0.75 ...

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