Difficulty: Medium
Average Score: 77%
Simulated
The client, admitted to the ED, is prescribed to receive 0.5 mg epinephrine subcutaneously for treatment of a severe asthma attack. The medication for injection is supplied in a vial that contains 5 mg/mL. How many milliliters of epinephrine should the nurse administer?
Correct answer
0.1
Rationale
Use a proportion to determine the amount in milliliters; then multiply the extremes (outside values) and the means (inside values) and solve for X. 5 mg: 1 mL :: 0.5 mg: X mL; 5X = 0.5 mL; X = 0.1 mL; the nurse should administer 0.1 mL of epinephrine (Adrenalin).