A man was in an accident during which his spinal cord was severed between C6 and C7. Which of the following would NOT be a consequence of this injury?
A) Loss of sensation in the trunk below the shoulders, the lower limbs, and portions of the arms
B) Loss of use of the phrenic nerves and paralysis of the diaphragm
C) Loss of movement in the lower limbs
D) Loss of the use of the intercostals nerves, and breathing would be affected because the intercostals muscles would be paralyzed
E) Loss of touch sensation on the lower lumbar region.

Question

Quizplus · Accepted Answer

The phrenic nerve, which controls the diaphragm, originates from the C3, C4, and C5 spinal nerves. Therefore, an injury between C6 and C7 would not result in loss of use of the phrenic nerves or paralysis of the diaphragm.

A Man Was in an Accident During Which His Spinal