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13 August, 22:17

If 150 mg of a drug is ordered IVP stat over 2 minutes, and the concentration of the drug is 75 mg/mL, find the total number of milliliters, and indicate how many milliliters you will administer per minute.

A.

1 mL total, 1 mL/min.

B.

2mL total, 1 mL/min.

C.

4 mL total, 2 mL/min.

D.

10 mL total, 5 mL/minute

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Answers (1)
  1. 14 August, 01:50
    0
    (B) 2mL total, 1 mL/min.

    Step-by-step explanation:

    Given:

    Amount of drug ordered = 150 g

    Time = 2 minutes

    Concentration of the drug = 75 mg/mL

    now,

    Concentration = Amount of drug / volume ... (1)

    thus,

    Volume = Amount of drug / Concentration

    or

    Volume = 150 g / (75 g/mL)

    or

    Volume = 2 mL

    also,

    milliliters to administer per minute = Volume / time

    or

    milliliters to administer per minute = 2 mL / 2 min = 1 mL/min

    Hence, the correct answer is option (B)
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