Question

Clients use insulin syringes to inject insulin into the _______ layer of the skin.

A. sublingual
B. subcutaneous
C. sebaceous
D. pericardial

Answer 1

I agree. Subcutaneous is where you inject the insulin

Answer 2

B. Subcutaneous

this means that the needle goes into the fat layer of the skin.
it does NOT go into the muscle.

hope this helps.