Why is it sometimes advantageous to inject drugs intramuscularly rather than subcutaneously or intravenously?
A. Drugs injected into muscles are absorbed very rapidly into the bloodstream.
B. Drugs may be injected more superficially if they are injected into muscle bellies.
C. Skeletal muscle tissue contains more mitochondria so drugs are metabolized more quickly in muscles.
D. Smaller quantities of drugs are more effective when injected into muscle bellies.
E. Drugs injected into muscles are absorbed gradually into the bloodstream.
Answer: E
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