A drug is prescribed at 12 mg per kg of body weight. How many mg should a patient weighing 70 kg receive?
Answer and explanation
Correct answer: C. 840 mg
- Step 1: Dose = dose per kg x weight. Step 2. 12 x 70 = 840 mg. Answer: 840 mg. Why not the others: 0.2 mg: the dose was divided by the weight. 82 mg: weight and dose were added. 8400 mg: an extra factor of 10 was applied.
Practise more Dosage, Units and Rates.
Free questions with an explanation for every one, and full timed TMS (Test für Medizinische Studiengänge) practice mock tests.
More Dosage, Units and Rates questions
- How many milligrams are in 0.25 g?
- A patient weighs 70 kg and the dose is 5 mg per kg. What is the dose?
- An infusion of 500 mL must run for 4 hours. What is the rate in mL per hour?
- A solution contains 20 mg of a drug per mL. How many mL give a dose of 150 mg?
- A 2 percent (w/v) solution contains 2 g per 100 mL. How much solute is in 250 mL?
- A 10 percent solution of 200 mL is diluted with water to a 4 percent solution. How much water must be added?