Brainscape's Knowledge GenomeTM

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


See full index

HISTOLOGY > NERVOUS SYSTEM > Flashcards

NERVOUS SYSTEM Flashcards

1
Q

It is the most complex body system.

A

nervous system

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

Constantly alive with electricity, it is the body’s prime communication and coordination network.

A

nervous system

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

It is so vast and complex that, an estimate is that all the individual nerves from one body, joined end to end, could reach around the world two and a half times.

A

Nervous system

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

The Central Nervous System consists of these two

A

Brain and Spinal Cord

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

It Make Up the Peripheral Nervous System.

A

Nerves and Sensory Organs

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

Together, what is the function of the central nervous system (CNS) and the peripheral nervous systems (PNS)?

A

transmit and process sensory information and coordinate bodily functions.

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

The brain and spinal cord (the CNS) function as what?

A

control center

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

They receive data and feedback from the sensory organs and from nerves throughout the body, process the information, and send commands back out.

A

Brain and spinal cord

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

Functions of the brain and spinal cord

A

They receive data and feedback from the sensory organs and from nerves.

Process the information, and send commands back out.

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

Functions of nerve pathways of the PNS

A

carry incoming and outgoing signals

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

2 Types of Nervous System

A

Central Nervous System
Peripheral Nervous System

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

2 Types of Peripheral Nervous System

A

Autonomic and Somatic

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

Two types of Autonomic

A

Sympathetic and Parasympathetic

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

Function of Autonomic

A

Controls self-regulated action of internal organs and glands

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

Function of Somatic

A

Controls voluntary movements of skeletal muscle

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

Sympathetic and Parasympathetic

A

Arousing and Calming

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

It receives information from the body’s environment and generates instructions, thereby controlling all the activities of the human body.

A

central nervous system

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

It conveys this two-way information flow into and out of the CNS.

A

peripheral nervous system

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

It is placed within the neurocranium, and is formed from the cerebrum, cerebellum and brainstem (pons and medulla oblongata).

A

brain

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

The brain is placed where?

A

Neurocranium

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

The brain is formed from?

A

cerebrum
cerebellum
brainstem (pons and medulla oblongata)

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

The central parts of the CNS are occupied by spaces that is filled with cerebrospinal fluid (CSF).

A

ventricles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

It is placed within the vertebral column.

A

spinal cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Functions of the Spinal Cord

A

Transmits Signals to and from the Brain and Commands Reflexes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

It Transmits Signals to and from the Brain and Commands Reflexes

A

Spinal cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

It is an elongated cylinder of neuron cell bodies, bundles of axons, and other cells, protected by connective tissue and bone.

A

spinal cord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

It connects to the brain at the medulla oblongata and runs down the vertebral column, the hollow tunnel enclosed within the vertebrae of the spine.

A

Spinal cord

28
Q

It is part of the central nervous
system and serves as a kind of superhighway.

A

spinal cord

29
Q

Sensory information and motor commands travel up and down, heading to and from the brain.

A

Spinal cord

30
Q

The spinal cord can shoot out a reflex command without bothering the
brain, called what?

A

Reflex Arc

31
Q

The spinal cord can shoot out a reflex command without bothering the brain, called what?

A

Reflex Arc

32
Q

The CNS is made of what?

A

neurons and their processes (axons)

33
Q

It is made of neuron cell bodies, it is found in the cerebral cortex and the central portion of the spinal cord.

A

Gray matter

34
Q

Gray matter is made of what?

A

neuron cell bodies

35
Q

It is made of axons, which combine and build neural pathways.

A

White matter

36
Q

White matter is made of what?

A

Axons

37
Q

It is where the instructions generate

A

gray matter

38
Q

It is the path through which the instructions travel toward the organs.

A

white matter

39
Q

It conducts information from the CNS to the target tissues, and from the target tissues to the CNS.

A

peripheral nervous system

40
Q

PNS consists of what?

A

nerves and their ganglia

41
Q

Nerves that carry information from peripheral sense organs (for example eye, tongue nasal mucosa, ear, and skin) to the CNS are called what?

A

afferent

42
Q

What are the 5 examples of peripheral sense organs

A

eye, tongue, nasal mucosa, ear, and skin

43
Q

Fibers that carry information from the CNS to the periphery (muscles and glands).

A

efferent motor

44
Q

It is a cluster of neural tissue outside of the CNS, made of neuronal cell bodies.

A

ganglion

45
Q

It can be both sensory and autonomic.

A

Ganglia

46
Q

These are associated with spinal nerves and some cranial nerves (V, VII, IX, X).

A

Sensory ganglia

47
Q

Sensory ganglia are associated with what?

A

spinal nerves and some cranial nerves (V, VII, IX, X)

48
Q

Peripheral nerves emerge from where?

A

CNS

49
Q

How many pairs of cranial nerves that arise from the brain?

A

12 pairs of cranial nerves

50
Q

How many pairs of spinal nerves are there that extend from the spinal cord?

A

31 pairs of spinal nerves

51
Q

Cranial nerves are named what?

A

I to XII

52
Q

These are named I to XII, determined by their skull exit location (anterior to posterior).

A

Cranial nerves

53
Q

It allows voluntary control over our movements and responses.

A

somatic nervous system

54
Q

What are the major somatic peripheral nerves?

A

median nerve
sciatic nerve
femoral nerve

55
Q

It controls all the internal organs unconsciously, through the associated smooth muscle and glands.

A

autonomic nervous system

56
Q

The SANS is known as producing what as it is part of the ANS which is mostly active during stress.

A

flight or fight state

57
Q

It is known as producing the “flight or fight“ state as it is part of the ANS which is mostly active during stress.

A

SANS

58
Q

It dominates during rest and is more active in “rest and digest“ or “feed and breed“ activities.

A

PANS

59
Q

PANS dominates during rest and is more active in what kind of activities?

A

“rest and digest“ or “feed and breed“

60
Q

What are the centers of SANS and PANS?

A

brainstem and spinal cord

61
Q

Spinal nerves are divided into _____ cervical, ____ thoracic, ____ lumbar, ____ sacral and ____ coccygeal nerve, depending on the vertebral level from which they arise.

A

C8
T12
L5
S5
CG1

62
Q

In spinal nerves, how many cervical?

A

8

63
Q

In spinal nerves, how many thoracic?

A

12

64
Q

In spinal nerves, how many lumbar?

A

5

65
Q

In spinal nerves, how many sacral?

A

5

66
Q

In spinal nerves, how many coccygeal nerve?

A

1

67
Q

In certain areas of the body peripheral nerves interconnect, creating neural networks called what?

A

plexuses

HISTOLOGY (11 decks)

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