Question

A veterinarian uses 2 milliliters of 100 mg/mL xylazine to sedate a 1,000 lb. horse. What's the equivalent dose in mg/kg?


A. 8.8 mg/kg
B. 0.66 mg/kg
C. 0.22 mg/kg
D. 0.44 mg/kg

Answer 1

Answer:

D. 0.44mg/kg

Step-by-step explanation:

Great question, first we need to find how many mg was given to the horse. Since 2 ml of dosage was given to the horse we can calculate

$\frac{100mg}{ml}$   ⇔   $\frac{200mg}{2ml}$

So, 200mg was given to a 1000 lb horse. Now we have to convert 1000 lbs into kg.

$1000 lb. * \frac{0.453592kg}{lb} = 453.592kg$

Now that we have the amount of kg we can calculate how many mg/kg like so,

$\frac{200mg}{453.592kg} = \frac{0.44mg}{kg}$

So we can now see that the equivalent dose is 0.44mg/kg

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