NEET PG DENTAL EXAM

EMBRYOLOGY

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A single fiber in the neuron that carries impulses away from the cell body:
A
axon
B
dendrite
C
myelin sheath
D
nucleus
Explanation: 

Detailed explanation-1: -The axon is a single protoplasmic fiber that extends from the cell body. It is the longest part of the neuron which conducts impulses away from the cell body.

Detailed explanation-2: -Motor neurons (also referred to as efferent neurons) are the nerve cells responsible for carrying signals away from the central nervous system towards muscles to cause movement.

Detailed explanation-3: -The dendrites carry impulses toward the cell body. The axon carries impulses away from the cell body. Axons and dendrites are sometimes called nerve fibers.

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