NEET PG DENTAL EXAM

EMBRYOLOGY

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is NOT true about neurons?
A
They have huge appetites.
B
They are the longest cells in the human body.
C
They do the heavy lifting for the nervous system.
D
They are replaceable.
Explanation: 

Detailed explanation-1: -They do not divide at all. There are very few exceptions to this rule – only two special places in the brain can give birth to new neurons. For the most part though, the brain cannot replenish dead neurons. This is especially worrisome because neurons are very sensitive cells and they die for all sorts of reasons.

Detailed explanation-2: -The correct answer is C. Neuron . Neurons are cells that do most of the information processing, memory, and communication functions of the nervous system. Neurons are organized into circuits, also called neural pathways.

Detailed explanation-3: -The correct answer is option(C) Forms the myelin sheath.

There is 1 question to complete.