Aveterinarian 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

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

  ⇔  

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

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

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

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b. astronomers