Veterinary Technician

Category - Pharmacology

Assume that you are required to give a patient 100 mg of theophylline elixir. The strength of the elixir is 27 mg per 5 mL. How many mL would you give to this patient?
  1. 2.1 mL
  2. 5.4 mL
  3. 135 mL
  4. 18.5 mL
Explanation
Answer: D - 18.5 mL is the correct dose for a patient requiring 100 mg of theophylline elixir (27 mg per 5 mL). You divide the dose ordered (100 mg) by the dose available (27 mg) for a result of 3.70. This number is then multiplied by the volume available (5 ml) for a result of 18.5.
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