lesson 1

Question 1

Primary control system of the body. This system provides for a higher mental function and emotional expression, maintain homeostasis, and regulates the activities of muscles and glands.

Answer 1

Nervous system

Question 2

Communication by the N.S involves a combination of _____ and _____ signals

Answer 2

electrical and chemical signals

Question 3

It is the master of controlling and communicating system of the body

Answer 3

Nervous system

Question 4

It has the ability to determine the capillary permeability

Answer 4

astrocyte

Question 5

It has a role in the making of exchange between blood vessel and the nerve cell

Answer 5

astrocyte

Question 6

It has the ability to control the chemical environment in the brain

Answer 6

astrocyte

Question 7

This supporting cell has a star-shaped cell appearance, have a swollen ends, anchors to blood vessel, and protect neuron against harmful substances in the blood

Answer 7

astrocyte

Question 8

This supporting cell has a spider like appearance, monitors health of nearby neuron, and dispose debris.

Answer 8

microglia

Question 9

It has the ability to engulf unnecessary materials in your nervous system

Answer 9

phagocyte

Question 10

This supporting cell lines the central cavities of the brain and the spinal cord, they have cilia that circulates the CSF

Answer 10

ependymal cell

Question 11

What is the meaning of CFS

Answer 11

Cerebrospinal fluid or Cerebral Spinal fluid

Question 12

Why the brain needs to float in the CFS

Answer 12

the brain is a delicate organ that should be in a comfortable position/state.

Question 13

This supporting cell have a flat extension. This extension wrap themselves tightly around the nerve fiber. The extension form a fatty insulating covering.

Answer 13

oligodendrocyte

Question 14

The supporting cells: astrocyte, microglia, ependymal cell, oligodendrocyte. Where are these supporting cells located?

Answer 14

central nervous system

Question 15

This supporting cell forms the myelin sheath in the pns

Answer 15

schwann cell

Question 16

this supporting cell acts as the protective and cushioning cells for peripheral neuron cell bodies.

Answer 16

satellite cells

Question 17

schwann cell are for _____

Answer 17

nerve fiber

Question 18

satellite cell are for ______

Answer 18

cell body

Question 19

where are schwann and satellite cells located

Answer 19

peripheral nervous system

Question 20

They are also called nerve cell and are highly specialized in transmitting messages.

Answer 20

neuron

Question 21

Are metabolic center of neuron, the rough ER, called Nissl substance, and neurofibrils are particularly abundant here.

Answer 21

cell body

Question 22

arm like processes or fibers

Answer 22

processes

Question 23

what are the most predominant organelle

Answer 23

neurofibril and nassl substance

Question 24

where is the longest process is located

Answer 24

lumbar region of the spine up to the great toe

Question 25

Are intermediate filament that are important for maintaining the cell shape of the nerve cell

Answer 25

neurofibril

Question 26

Process which convey incoming messages towards the cell body

Answer 26

dendrites

Question 27

Processes that generate nerve impulses and typically conduct them away from the cell body.

Answer 27

axon

Question 28

Contains tiny vesicles or membranous sacks that contains chemical that are called neurotransmistter

Answer 28

synaptic vesicle

Question 29

A tiny gap that separate the axon terminal from the neuron

Answer 29

synaptic cleft

Question 30

A functional junction where an impulse transmitted from one neuron to another. This mean " to clasp or to join"

Answer 30

synapse

Question 31

Protects and insulate the fibers and increases the transmission rate of nerve impulses

Answer 31

myelin sheath

Question 32

Long nerve fibers that are covered with white pitched fatty materials and they have a waxy appearance

Answer 32

myelin

Question 33

CNS myelin sheath do not have/lack of what substance ____

Answer 33

neurilemma

Question 34

It plays a important role for fiber regeneration. It is part of the schwann cell and external to the myelin sheath. It is also known as neuron husk

Answer 34

neurilemma

Question 35

This homeostatic imbalance. The myelin sheath around the fibers are gradually destroyed, converted to harden sheaths called scleroses. It is also a Autoimmune Disease.

Answer 35

Multiple sclerosis (MS)