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------------------------------------------------ Weezer is a 97.6 lb Doberman that needs cephalexin for pyoderma. The dosage is 22 mg/kg, and 500 mg capsules are available. How many capsules will you dispense for Weezer if he is to be given his dose of cephalexin twice daily for 10 days?

A. 10 capsules dispensed
B. 20 capsules dispensed
C. 39 capsules dispensed
D. 40 capsules dispensed

The dog named Weezer would need approximately two 500 mg capsules of cephalexin per dose, twice daily, for 10 days. This amounts to 40 capsules. Thus, the answer is d. 40 capsules dispensed.

Explanation:

We first start by converting Weezer's weight from pounds to kilograms as the dosage of cephalexin is given in mg/kg. There are about 0.453 kg in a pound, so Weezer weighs approximately 44.32 kg (97.6 lbs x 0.453). The dosage is 22 mg/kg, so Weezer's individual dose will be about 975.04 mg (44.32 kg x 22 mg/kg). The capsules are 500 mg each, so Weezer would require around two capsules per dose (975.04 mg ÷ 500 mg/capsule), since we can't give less than a whole capsule.

Weezer needs two doses per day for 10 days, so that's 20 doses total (2 doses/day x 10 days). As each dose requires 2 capsules, you would dispense 40 capsules (20 doses x 2 capsules/dose). So, the answer is d. 40 capsules dispensed.

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