Which is the correct needle for an intramuscular (IM) injection?
a. 18 G, 1-inch
b. 20 G, -inch
c. 25 G, 2-inch
d. 21 G, 1-inch
ANS: D
An IM injection is usually given with a 1- to 2-inch, 20- to 22-gauge needle.
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