Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Bio 161: Basic A & P - Nervous System Part 1 > Lesson: Nervous Part 1 - 8.1 Questions > Flashcards

Lesson: Nervous Part 1 - 8.1 Questions Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

Function: ___________________ collect information such as pain, touch, blood pressure, and so forth so they can tell the CNS what is going on in the PNS.

A

Sensory receptors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Define: Node of Ranvier.

A

The space between two segments of the myelin sheath.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Function: _______________ in the CNS and process, store, and make decisions.

A

Interneurons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Function: _______________ neurons are responsible for taking messages from the CNS to the organs.

A

Efferent (motor)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Function: Axons of neurons __________________________.

A

Carry (transmit) nerve messages to other neurons, muscles or glands.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Function: Dendrites are responsible ________________.

A

For receiving signals from receptors or other neurons.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Function: Integration (the putting together of all information received) is accomplished by the ____________.

A

Central Nervous System

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Function: One of the nervous system’s functions is to have the ability to respond to stimuli from the skin and other body organs. This function is called:

A

Sensory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Function: One of the nervous system’s functions is to receive and process information, store and retrieve it and make decisions as to how to respond to it. This function is called:

A

Integrative

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Function: One of the nervous system’s functions is to send signals from the brain to the muscle and gland cells to respond. This function is called:

A

Motor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Function: Schwann cells produce _________________.

A

Myelin sheaths in the PNS.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Function: The axon terminal’s function is __________________________.

A

To send chemical signals to a muscle cell, gland or another neuron.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Function: The skin has special ________________ for thermoregulation (homeostasis for temperature regulation).

A

Sensory receptors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Function: What type of neuron can detect stimuli and transmit information about the stimuli to the CNS?

A

Afferent (Sensory) neurons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Function: What type of neuron can detect stimuli and transmit information about the stimuli to the CNS?

A

Afferent (Sensory) neurons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Location: At the distal end of a neuron one will find

A

Axon terminals (synaptic knobs)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Location: DNA is found in the________________

A

Nucleus of a cell.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Location: In a myelinated PNS nerve fiber, there is a large concentration of voltage gated channels located at the _______________.

A

Nodes of Ranvier

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Location: Interneurons are ONLY found in the ________________.

A

CNS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Location: neurotransmitters are stored in __________________.

A

Synaptic vesicles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Location: Schwann cells are found in the __________.

A

PNS.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Location: The axon hillock is found between the __________ and ______________.

A

Cell body (soma) and the axon.

23
Q

Location: The nucleus of a neuron is found in the ________________________.

A

In the cell body (soma)

24
Q

Name: The axons of a neuron are also called ___________________.

A

Nerve fibers

25
Q

Name: The other name for the cell body is _____________.

A

A neurosoma or soma

26
Q

Nodes of Ranvier are associated with

A

Myelination.

27
Q

Organelle: A neuron cannot undergo mitosis because it lacks ________________.

A

Centrioles

28
Q

Organs: What two organs form the CNS?

A

Brain and spinal cord.

29
Q

Sensory receptors send nerve messages via (by way of) ______________________ to the CNS?

A

Afferent (Sensory) neurons

30
Q

Spinal motor neurons connect:

A

the brain to skeletal muscles,

31
Q

The Central Nervous System makes a decision to change something, thus it will send a message to the organ(s) of the peripheral nervous system by the (via) ____________________.

A

Efferent (Motor) neurons

32
Q

The normal direction of a nerve message in a neuron is:

A

Dendrites to cell body to axon

33
Q

The PNS is made of:

A

The nerves leading to and from the CNS

34
Q

TRUE or FALSE? The PNS is sensory only.

A

False. The PNS has both sensory and motor functions.

35
Q

TRUE or FALSE? There are no nerves in the brain and spinal cord.

A

TRUE. In the CNS, a bundle of nerve fibers is called a tract.

36
Q

What happens at a synapse?

A

One neuron sends a chemical message by using a neurotransmitter to another neuron.

37
Q

What type of neurons brings information from the organs of the body to the Central Nervous System?

A

Afferent (Sensory) neurons

38
Q

Location: Astrocytes are located in the ___________.

A

CNS

39
Q

Location: Oligodendrocytes are located in the ___________.

A

CNS

40
Q

Location: Microglia are located in the ___________.

A

CNS

41
Q

Location: Ependymal are located in the ___________.

A

CNS

42
Q

Name: Neuroglia cells are also called ____________.

A

Glial cells

43
Q

Function: Microglial cells wander through the CNS looking for infectious microorganisms and tissue debris. These cells specialize in a process called ______________.

A

Phagocytosis

44
Q

Function: Cuboidal cells that line the fluid-filled cavities of the CNS are called _____________.

A

Ependymal

45
Q

Function: Ependymal cells specialize in producing what fluid?

A

Cerebrospinal fluid (CSF)

46
Q

Function: An “octopus-like” cell in the CNS that insulates neurons in the CNS with a myelin sheath is called a _________________.

A

Oligodendrocyte

47
Q

Function: What neuroglial cell acts like pillars to hold up neurons in the CNS?

A

Astrocytes

48
Q

Function: What neuroglial cell attaches blood vessels to neurons and thus forms the blood-brain barrier?

A

Astrocytes

49
Q

Function: What neuroglial cell forms scar tissue in damaged areas of the CNS?

A

Astrocytes

50
Q

Location: What is found between the soma of a neuron and the axon?

A

The axon hillock

51
Q

Define: Synapse

A

In this class we are using it as a junction formed between two neurons.

52
Q

Function: Cilia are found on ependymal cells. What is one of the functions of the ependymal cells?

A

Cilia produce wave-like movement to move cerebrospinal fluid in the CNS.

53
Q

Function: Damage to neurons in the PNS may be fixed due to what neuroglial cell?

A

Schwann cells

54
Q

TRUE or FALSE? The PNS connects the CNS to the body’s sense organs, muscles and glands.

A

TRUE

Bio 161: Basic A & P - Nervous System Part 1 (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions