Chemistry of nursing student

Question

A 10.0 ml solution contains 0.75 mg of drug per ml of solution. The recommended dosage of this drug is 0.15 mg per kg of body weight. How many milliliters of this solution do you need to administer to a 155.6 ib patient?

Answer 1

1 kg = 2.205 lb

155.6 lb x 1 kg / 2.205 lb = 70.6 kg

70.6 kg x 0.15 mg / kg = 10.59 mg = dose needed

10.59 mg x 1 ml / 0.75 mg = 14 mls (2 sig. figs.)

Answer 2

.75 mg per ml

1 ml has .75 mg

recommended dosage is 0.15 mg per kg

155.6 lb patient = 70.58 kg

.15(70.58) = 10.587 mg dosage for 155.6 pound patient

10,587/.75 = 14.116 ml