When you decide to mark a particular answer to this question, and your nervous system sends the command to your hand to do so, the command is carried by
A) afferent neurons.
B) efferent neurons.
C) nodes.
D) glial cells.
E) None of the above

Question

When you decide to mark a particular answer to this question, and your nervous system sends the comm­and to your hand to do so, the command is carried by
A) afferent neurons.
B) efferent neurons.
C) nodes.
D) glial cells.
E) None of the above

Quizplus · Accepted Answer

The command to mark a particular answer is a voluntary action, and voluntary actions are carried out by efferent neurons. Afferent neurons carry sensory information towards the brain, nodes are structures found in the nervous system that help conduct signals, and glial cells provide support and insulation for neurons but do not carry commands.

When You Decide to Mark a Particular Answer to This