Exam 1

Question 1

Neuroglia cells conduct impulses in the nervous system? T/F?

Answer 1

False

Question 2

Which of the following best explains the function of microglial cells in the nervous system?

Answer 2

Phagocytes

Question 3

What is the building block of the nervous system?

Answer 3

The neuron

Question 4

The PNS can be subdivided into which of the following?

Answer 4

The Afferent and the Peripheral

Question 5

Somatic Nervous system allows us to do what?

Answer 5

Move our skeletal muscles, move our eye muscles, move our mouth

Question 6

What does the central nervous system consist of?

Answer 6

The brain, brain system, and spinal cord

Question 7

Which of the following best describes the sympathetic nervous systems function?

Answer 7

It speeds up certain processes in the body

Question 8

How does a neuron transmit a message?

Answer 8

Using an electrical gradient

Question 9

What is the shape and function of an astrocyte cell?

Answer 9

They are mostly found in the blood-brain barrier and are star shaped

Question 10

What is the purpose of Schwann cells?

Answer 10

They form myelin sheaths

Question 11

Which of the following is the neurotransmitter that the parasympathetic division of the nervous system uses?

Answer 11

Acetylcholine

Question 12

Oligodendroglia cells perform which of the following?

Answer 12

Provide protection for neurons of the CNS by producing myelin sheaths (small star shaped)

Question 13

Which of the following cells produce cerebrospinal fluid?

Answer 13

Ependymal cells

Question 14

Which of the following best defines the nodes of ranvier?

Answer 14

A gap in the myelin sheaths

Question 15

What is the main part of the neuron, also known as the cell body?

Answer 15

Soma

Question 16

Which part of a neuron is a neurotransmitter received?

Answer 16

The dendrites

Question 17

What is the synapse?

Answer 17

The area between the axon terminal of one neuron and the dendrites of another

Question 18

What is the purpose of the axon in a neuron?

Answer 18

To transmit an impulse

Question 19

A neurotransmitter is usually negatively charged? T/F?

Answer 19

False

Question 20

The axon of a neuron is negatively charged? T/F?

Answer 20

True

Question 21

The parasympathetic nervous system is usually responsible for which of the following?

Answer 21

Speeds up digestion, urination, and defecation.

Question 22

ANS stands for which of the Following?

Answer 22

Autonomic nervous system

Question 23

The nervous system has two main categories that can be further divided? T/F?

Answer 23

Yes, the central nervous system & peripheral system

Question 24

Somatic Nervous System

Answer 24

Controls voluntarily muscle movement

Question 25

Autonomic nervous system

Answer 25

Controls movement of involuntary muscles

Question 26

Dendrites

Answer 26

The receptive areas of a neuron

Question 27

Axon

Answer 27

An extension of the neuron (the tail)

Question 28

Axon terminal

Answer 28

At the end of the axon; makes contact w/ dendrites of another neuron

Question 29

Myelin sheaths

Answer 29

Provides protection for the axon

Question 30

Nodes of Ranvier

Answer 30

The spaces in between the myelin sheaths Allows us to see the movement of electrical impulses

Question 31

Nerve impulse

Answer 31

The way that the nervous system communicates

Question 32

Vesicle

Answer 32

Transport vehicle

Question 33

Nervous Tissue

Answer 33

A group of nerve cells that transmit a signal known as nerve impulses

Question 34

Neuroglia cells

Answer 34

Do not conduct impulses Meant to support or provide protection

Question 35

Microglial cells

Answer 35

Small cells that protect the CNS It engulfs & digests or destroys bacteria and any unwanted substances. Performs phagocytosis

Question 36

Ependymal cells

Answer 36

Some produce cerebrospinal fluid Some have cilia(fine hair) that moves the spinal fluid through the CNS