PRACTICALS - NERVOUS

Question 1

Responsible for the production and induction of electrical impulses

Answer 1

Nerve Tissue

Question 2

• It allows us to receive stimuli and process the information.

Answer 2

Nerve Tissue

Question 3

nervous Tissue has two major divisions:

Answer 3

Central Nervous System (CNS) AND Peripheral Nervous System (PNS)

Question 4

how many cranial nerves are there?

Answer 4

12 pairs

Question 5

how many spinal nerves are there?

Answer 5

31 pairs

Question 6

how many spinal nerves are there?

Answer 6

31 pairs

Question 7

The functional unit in both the CNS and PNS is the

Answer 7

neuron or nerve cell

Question 8

contains the nucleus and most of the cell’s organelles and serves as the synthetic or
trophic center for the entire neuron

Answer 8

The cell body, or perikaryon

Question 9

the numerous elongated processes extending from the perikaryon and specialized to
receive stimuli from other neurons at unique sites called synapses

Answer 9

Dendrites

Question 10

single long process ending at synapses specialized to generate and conduct nerve
impulses to other cells

Answer 10

Axon

Question 11

Support neuronal survival and activities.

Answer 11

Glial Cells

Question 12

Ten times more abundant in the mammalian brain than the neurons.

Answer 12

Glial Cells

Question 13

GLIAL CELLS IN CNS are

Answer 13

Oligodendrocytes, astrocytes, epyndymal cells, microglia

Question 14

Produce the myelin sheaths around axons that provide the electrical
insulation for neurons in the CNS.

Answer 14

Oligodendrocytes

Question 15

The predominant glial cells in CNS white matter

Answer 15

Oligodendrocytes

Question 16

are columnar or cuboidal cells that line the ventricles of the brain and
central canal of the spinal cord

Answer 16

Ependymal Cells

Question 17

the apycal end of ependymal cells have __ which facilitate the
movement of cerebrospinal fluid (CSF

Answer 17

cilia

Question 18

it also have ___ which re
likely involved in absorption

Answer 18

long microvilli

Question 19

Small cells with short irregular processes evenly distributed throughout gray
and white matter

Answer 19

microglia

Question 20

Secrete a number of immunoregulatory cytokines and constitute the major
mechanism of immune defense in the CNS

Answer 20

Microglia

Question 21

sometimes called neurolemmocytes, are found only in the PNS and
differentiate from precursors in the neural crest.

Answer 21

Schwann Cells:

Question 22

schwaan cells are found in

Answer 22

spinal nerves

Question 23

Repair and production of Myelin Sheath in the PNS.

Answer 23

Schwann Cells:

Question 24

Repairs single axon only.

Answer 24

Schwann Cells:

Question 25

satellite cells are also called as

Answer 25

stem cells

Question 26

Found in the ganglionic neuron and supportive effect on these neurons,
insulating, nourishing, and regulating their microenvironments

Answer 26

Satellite Cells

Question 27

staining used in satellite cells

Answer 27

Immunofluorescent staining