A patient with a spinal injury may still be able to use his or her diaphragm to breathe, but would lose control of the intercostal muscles, if the spinal cord is injured:
A: below the C5 level.
B: above the C3 level.
C: above the C5 level.
D: between C1 and C2
Answer: A: below the C5 level.
Health Professions