The nerves that innervate the diaphragm arise from which area?
A) Lumbar region of the spine
B) Sacral vertebrae 4 and 5
C) Spinal plexuses at T2 to T11
D) Spinal nerves C3 to C5

Question

Quizplus · Accepted Answer

Functionally, the diaphragm is divided into a right and left hemidiaphragm. Each hemidiaphragm is innervated by a phrenic nerve that arises from branches of spinal nerves C3, C4, and C5.

The Nerves That Innervate the Diaphragm Arise from Which Area