Injury to cervical vertebra C3-C4 is particularly problematic because ________.
A) several ganglia are near this region that serve the heart
B) the greater auricular nerve that serve the parotid gland receive there fibers from here
C) the phrenic nerve that serves the diaphragm receives its fibers from here
D) part of the brain stem is located here

Question

Quizplus · Accepted Answer

Injury to cervical vertebra C3-C4 is particularly problematic because the phrenic nerve that serves the diaphragm receives its fibers from here. Damage to this area can result in difficulty breathing and possibly even respiratory failure.

Injury to Cervical Vertebra C3-C4 Is Particularly Problematic Because ________