Question

Messages that take the form of electrical signals are known as

• A. sensory neurons
• B. nerve impulses
• C. motor neurons
• D. reflex arc

Answer 1

The correct option is B

nerve impulses

The correct option is B:

Explanation for the correct option:

Nerve impulses:

1. Nerve impulse is the action potential generated across the plasma membrane of axon.
2. They conduct messages in the form of electrical signals.
3. They further transfer these signals in the form chemical signals at the end of the axon through neurotransmitters.

Explanation for the incorrect options:

Option A:

1. Sensory neurons conduct information from the sensory receptors to the central nervous system.

Option C:

1. Motor neurons conduct information from the central nervous system to the effectors

Option D:

1. Reflex arc is the short pathway of passing impulse from receptor organ to effector through central nervous system.

Final answer: Messages that take the form of electrical signals are known as nerve impulses.