Medical Mathematics

1. Medical Mathematics

2. A resident is to receive 1 milligram of a medication per dose. If a solution has 5 milligrams of the medication in 30 milliliters of solution, how much solution should the resident receive? 5 mg = 1 mg 30 ml 6 ml

3. A radiology patient needs to drink one half liter of contrast fluid prior to a procedure. How many 100 cc containers will the patient need to drink? Xo 1 cc = 1 ml 1000 ml = 1 L 0.5 Liters = 500 ml 500 ml = 5 containers 100 ml

4. The number of ml that a 300 cc container can hold is? 1 cc = 1 ml 300 cc = 300 ml

5. A premature infant weighing 875 grams weighs how many milligrams? 1 g = 1000 mg 875 g = 875,000 mg X o

6. How many mm of gauze bandage is needed to cover a wound that is 4 cm in length? 1 cm = 10 mm 4 cm = 40 mm X o

7. 5 milliliters is equal to 5 what? ml = cc 5 ml = 5 cc

8. How many milliliters are in 2.5 liters? 1 L = 1000 ml 2.5 L = 2500 ml x o

9. 1 L = 1000 ml 0.5 L = 500 ml 1 ml = 1 cc 500 ml = 500 cc How many cc’s are in 0.5 liters of fluid? x o

10. Three yards of elastic bandage is needed to wrap an athlete’s ankle. How many meters of bandage will be used? 1 yd = 0.914 m 3 yd = 2.75 m 3 yd = 36 in and 1 in = 2.54 cm 36 x 2.54 cm = 91.44 cm = .914 m

11. The average youth brain weighs 30 ounces or how many Kg? 16 oz (1 lb) = 0.45 Kg 30 = 1.875 lbs 16 1.875 lbs x .45 = 0.84 Kg 1 kg = 2.2 lbs 30/16 = 1.875 lb ÷ 2.2 = 0.85 Kg

12. Susie has been on a diet and has lost 5 Kilograms. How many pounds has she lost? 1 kg = 2.2 lbs 5 kg x 2.2 lbs = 11 lbs

13. Johnny weighed 10 lbs on his 2 month check-up. How many kilograms did he weigh? 1 kg = 2.2 lbs 10 lbs ÷ 2.2 = 4.5 Kg 1 lb = 0.45 Kg 10 x 0.45 = 4.50 Kg

14. The capacity of the right atrium is approximately 2.3 ounces. What does this equal in cc’s? 1 oz = 30 ml 2.3 oz x 30 = 69 ml = 69 cc

15. How many ml of liquid medication can a tablespoon hold? 1 T = 15 ml

16. Which kitchen utensil is BEST to use when measuring 15 ml of cough syrup? Tablespoon

17. What is the length in inches of a newborn baby measured to be 42 cm? 1 in = 2.54 cm 42 cm ÷ 2.54 = 16.5 in

18. A surgical scar which measures 4.6 cm is how many inches long? 1 in = 2.54 cm 4.6 ÷ 2.54 = 1.8 in

19. A surgeon removes a 200 g tumor from a patient. How many ounces does this tumor weigh? 1 kg = 2.2 lbs 1000 g = 2.2 lbs 200 g = .44 lbs 1lb = 16 oz .44 ÷ 16 = 7.04 oz 16 oz (1 lb) = 0.45 Kg = 450 g 200 ÷ 450 = .44 lbs .44 ÷ 16 = 7.04

20. Approximately how many kilograms does a 200 pound patient weigh? 1 kg = 2.2 lbs 200 lbs ÷ 2.2 = 90.9 kg

21. How many kilograms are equal to 30 lbs? 1 kg = 2.2 lbs X kg = 30 lbs 2.2 X = 30 lbs X = 30÷2.2 = 13.6 kg