ATI TEAS (Test of Essential Academic Skills) Version 7MathematicsEasy
A patient is prescribed to take 15 mL of a liquid medication twice a day for 7 days. How many milliliters of medication will the patient consume in total?
- A105 mL
- B210 mL
- C30 mL
- D315 mL
Show answer & explanationAnswer & explanation
Correct answer: B. 210 mL
To find the total medication consumed, multiply the dose per administration by the number of administrations per day, then by the number of days.
Why the other options are wrong
- A. This represents the dose if taken once a day for 7 days.
- C. This only represents the dose for one day.
- D. This calculation is incorrect and overestimates the total amount.
Total Medication Consumption
The total volume or quantity of medication a patient will take over a specified period, calculated by multiplying the per-dose amount by the frequency and duration.
- Requires knowing dose per administration.
- Requires knowing frequency of administration.
- Requires knowing duration of treatment.
Memory trick: Dose Frequently, Duration's the Key, Total Med's What You'll See!