Professor Romero discovered a short in the wiring system of the overhead projector in her classroom. When she touched the metal edge of the projector, she got an electric shock and instantly jerked her hand back. This instantaneous reaction is an example of:
A) aphasia.
B) hemispheric specialization.
C) the brain's structural plasticity.
D) a spinal reflex.

Question

Quizplus · Accepted Answer

The instantaneous reaction of jerking her hand back is an example of a spinal reflex, which does not involve the brain's input or conscious thought. It is an automatic and protective response to avoid harm, and it occurs through the spinal cord.

Professor Romero Discovered a Short in the Wiring System of the Overhead