Ten-year-old Tina falls while climbing a tree and lands on her back.Her frightened parents take her to the local emergency room where she is examined.Her knee jerk reflex is normal and she exhibits a negative Babinski reflex.These results suggest that
A) Tina has injured one of her descending nerve tracts.
B) Tina has injured one of her ascending nerve tracts.
C) Tina has a spinal injury in the lumbar region.
D) Tina has a spinal injury in the cervical region.
E) Tina suffered no damage to her spinal cord.

Question

Quizplus · Accepted Answer

The knee jerk reflex and Babinski reflex are both tests of spinal reflexes, and normal results suggest that there is no damage to the spinal cord. Thus, Tina has suffered no damage to her spinal cord.

Ten-Year-Old Tina Falls While Climbing a Tree and Lands on Her