Heidi Sustained Damage to Her Spinal Cord in a Car

Multiple Choice

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