A medication order is 500 mg every 8 hours. How many milligrams are administered in 24 hours?

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Multiple Choice

A medication order is 500 mg every 8 hours. How many milligrams are administered in 24 hours?

Explanation:
When a medication is given every 8 hours, you get three doses in a 24-hour period (24 ÷ 8 = 3). Multiply the dose per administration by the number of doses: 500 mg × 3 = 1500 mg. So, the total milligrams administered in 24 hours is 1500 mg. The other totals would require different dosing frequencies (two doses for 1000 mg, four doses for 2000 mg, etc.), which don’t fit the 8-hour schedule.

When a medication is given every 8 hours, you get three doses in a 24-hour period (24 ÷ 8 = 3). Multiply the dose per administration by the number of doses: 500 mg × 3 = 1500 mg. So, the total milligrams administered in 24 hours is 1500 mg. The other totals would require different dosing frequencies (two doses for 1000 mg, four doses for 2000 mg, etc.), which don’t fit the 8-hour schedule.

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