The nurse is preparing an intramuscular injection for a thin elderly patient. The nurse is aware that the maximum volume most likely tolerated by this patient is which amount?
a. 1 mL
b. 2 mL
c. 3 mL
d. 5 mL
B
Elderly adults and thin patients often tolerate only 2 mL in a single injection. A normal, well-developed adult can safely tolerate 2 to 5 mL of medication in larger muscles such as the ventrogluteal. However, clinically, it is unusual to administer more than 3 mL of medication in a single injection because the body does not absorb it well.
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