When compared with the subcutaneous route, what are the advantages of giving drugs intramus-cularly (IM)? (Select all that apply.)
a. IM injections require a smaller, shorter needle.
b. IM drugs are absorbed faster than subcutaneous drugs.
c. IM injections can be much larger that subcutaneous injections.
d. IM injections do not require the rotation of injection sites.
e. IM injections are less painful than subcutaneous injections.
B, C
Because of the rich blood supply in the muscles, IM drugs are absorbed much faster than subcu-taneous drugs. IM injections can also be much larger than subcutaneous injections. They require needles that are longer (1-1.5 inches) and larger (22-20 gauge), and tend to be more painful. Both subcutaneous and intramuscular injections require rotation of injection sites to prevent tissue damage.
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