In acute hypersensitivity reactions, 0.5 ml of a 1: 1000 (w/v) solution of epinephrine may be administered subcutaneously or intramuscularly. w/v solution units are grams per ml. calculate the milligrams of epinephrine given.

The 0.5 milligrams of epinephrine is given.

Explanation:

The ratio of mass of solute to total volume of the epinephrine solution = w/v (g/mL)

w/v = 1:1000=

Volume of the solution of epinephrine  = 0.5 mL

Mass of solute in  0.5 mL of epinephrine  :m

m = 0.0005 g

1 g = 1000 mg

m = 0.5 mg

The 0.5 milligrams of epinephrine is given.

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