A patient is morbidly obese. Which of the following needles would be best to give an IM injection in the deltoid?
a. 25 gauge 5/8 inch
b. 27 gauge 1/2 inch
c. 21 gauge needle 1 1/2 inches
d. 16 gauge needle 3 inch
Ans: c. 21 gauge needle 1 1/2 inches
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