1.13: End of Chapter Problems II
The following problems on dosage calculations I are to be completed with unit 2.
Dosage Calculations I
Please set up your calculations using the dimensional analysis.
1. Epinephrine is used to treat peanut allergies. A 5 year old patient needs an immediate treatment of 0.12 mg of epinephrine. The solution is available in concentration of 0.50 mg/ml. Calculate the volume in ml required for the patient.
2. A physician ordered 100 mg of Demerol. Demerol is available as 50 mg per tablet. How many tablets should the nurse administer?
3. The physician ordered 20 mg of Valium. Valium is available as 10 mg per tablet. How many tablets should the nurse administer?
4. The recommended daily allowance (RDA) for magnesium for 19-30 yrs old+ men is 400 mg. Magnesium supplements come in 200 mg capsules. How many capsules need to be taken to meet RDA?
5. The safe dosage of an IV antibiotic for children weighing more than 2.0kg is 60.mg per kilogram of body weight. How many mg should be administered to a child weighing 16 kg?
6. The tranquilizer valium is sold in 2.0 mL syringes that contain 50.0 mg of the drug per 1.0 mL of liquid. If a physician prescribes 25 mg of this drug, how many mL should be administered?
7. An antibiotic is sold in 3.0 mL ampoules that contain 60.0 mg of the drug. How many mL of the antibiotic should be withdrawn from the ampoule if 45 mg are to be administered to a patient?