Histology Of Nervous Tissue

Question 0

Three parts of a neuron

Answer 0

Cell body, dendrites and axon

Question 1

Nervous tissue comprises two types of cells

Answer 1

Neurons and neuroglia

Question 2

Neuroglia of the CNS categorized into four types

Answer 2

Astrocytes, oligodendrocytes, microglia and ependymal cell.

Question 3

Neuroglia of the PNS categorized into two types

Answer 3

Schwann cell and satellite

Question 4

What is myelin sheath

Answer 4

A multilayered lipid and protein covering around some axon that insulates them and increases the speed of nerve impulse

Question 5

Which type of neuroglia form the myeline sheath around axons in the CNS

Answer 5

Oligodendrocytes

Question 6

Which type of neuroglia form the myeline sheath around axons in the PNS

Answer 6

Schwann cells

Question 7

Myelination increases the speed of ?

Answer 7

Nerve impulse conduction

Question 8

Multiple sclerosis is an autoimmune disease characterized by

Answer 8

Loss of myelin sheath

Question 9

Ganglion is

Answer 9

Neuronal cell bodies in the PNS

Question 10

Nucleus is

Answer 10

Neuronal cell bodies in the CNS

Question 11

Nerve is

Answer 11

Axons in the PNS

Question 12

Tract is

Answer 12

Axons in the CNS

Question 13

White matter is composed

Answer 13

Of myelinated axons

Question 14

Gray matter is composed

Answer 14

Of unmyelinated axons

Question 15

What is sensory receptors

Answer 15

A structure of the nervous system that responds to environment change

Question 16

What is stimulus

Answer 16

Any change in the environment that is able to initiate action potential(depolarization of a nerve).