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Your patient requires 8000 units of heparin. Ward stock is available in 5 mL ampoules containing 10000 units. How many mL do you need to administer?

A. 2 mL
B. 4 mL
C. 5 mL
D. 8 mL

Answer :

Final answer:

The volume of heparin required for a patient who needs 8000 units is 4 mL, based on the stock concentration of 10000 units in 5 mL ampoules. Therefore the correct option is B.

Explanation:

The question asks how to calculate the volume of heparin to be administered to a patient, and the dosage calculation falls under the subject of Mathematics, specifically applied in a Health or Medicine context. The calculation is typically covered at the College level in nursing or pharmacy programs.

To calculate the volume of heparin required, we use the following equation:
Volume required = (Desired dose in units / Concentration in units per mL) x Stock volume in mL. Plugging in the numbers:

Volume required = (8000 units / 10000 units per mL) x 5 mL

= 0.8 x 5 mL

= 4 mL.

Therefore, the correct answer is B. 4 mL.

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