Heidi sustained damage to her spinal cord in a car accident.She has no difficulty moving her arm,but has lost some sensation in her arm.What part of her spinal cord must have been injured?
A)anterior horn of spinal gray matter
B)corticospinal tract of spinal white matter
C)lateral horn of spinal gray matter
D)posterior horn of spinal gray matter

Question

Quizplus · Accepted Answer

The posterior horn of spinal gray matter contains sensory neurons that receive information from sensory receptors in the body. Therefore, if Heidi has lost sensation in her arm, it suggests that the injury is located in the posterior horn of her spinal cord.

Heidi Sustained Damage to Her Spinal Cord in a Car