Which of the following routes frequently requires use of a 22 G, 1 1/2-inch needle?
a. intradermal c. intracardiac
b. subcutaneous d. intramuscular
ANS: D
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A Incorrect: Intradermal injections use 26 gauge (G) to 27 gauge (G) and 1/2 to 5/8 inch needles.
B Incorrect: Subcutaneous injections use 25 gauge (G) to 28 gauge (G) and 1/2 to 5/8 inch needles.
C Incorrect: Intracardiac needles are 26 gauge (G) and 4 inches long.
D Correct: Intramuscular injections require the use of 22 gauge (G), 1 1/2 inch needles.
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