Asked by Chris Paulino on Jul 13, 2024
Verified
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.
Phrenic Nerves
Nerves that run from the cervical spinal cord to the diaphragm, playing a crucial role in stimulating its contraction and thus enabling breathing.
Intercostals Nerves
Nerves located between the ribs that are responsible for conveying information to and from the spaces between the ribs.
Lumbar Region
The part of the lower back between the ribs and the pelvis.
- Study the consequences of spinal cord injuries on the operations of the body.
Verified Answer
AS
Angrej SinghJul 16, 2024
Final Answer :
B
Explanation :
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.
Learning Objectives
- Study the consequences of spinal cord injuries on the operations of the body.