NERVOUS SYSTEM

Question 1

It is the most complex body system.

Answer 1

nervous system

Question 2

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

Answer 2

nervous system

Question 3

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.

Answer 3

Nervous system

Question 4

The Central Nervous System consists of these two

Answer 4

Brain and Spinal Cord

Question 5

It Make Up the Peripheral Nervous System.

Answer 5

Nerves and Sensory Organs

Question 6

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

Answer 6

transmit and process sensory information and coordinate bodily functions.

Question 7

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

Answer 7

control center

Question 8

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

Answer 8

Brain and spinal cord

Question 9

Functions of the brain and spinal cord

Answer 9

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

Process the information, and send commands back out.

Question 10

Functions of nerve pathways of the PNS

Answer 10

carry incoming and outgoing signals

Question 11

2 Types of Nervous System

Answer 11

Central Nervous System
Peripheral Nervous System

Question 12

2 Types of Peripheral Nervous System

Answer 12

Autonomic and Somatic

Question 13

Two types of Autonomic

Answer 13

Sympathetic and Parasympathetic

Question 14

Function of Autonomic

Answer 14

Controls self-regulated action of internal organs and glands

Question 15

Function of Somatic

Answer 15

Controls voluntary movements of skeletal muscle

Question 16

Sympathetic and Parasympathetic

Answer 16

Arousing and Calming

Question 17

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

Answer 17

central nervous system

Question 18

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

Answer 18

peripheral nervous system

Question 19

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

Answer 19

brain

Question 20

The brain is placed where?

Answer 20

Neurocranium

Question 21

The brain is formed from?

Answer 21

cerebrum
cerebellum
brainstem (pons and medulla oblongata)

Question 22

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

Answer 22

ventricles

Question 23

It is placed within the vertebral column.

Answer 23

spinal cord

Question 24

Functions of the Spinal Cord

Answer 24

Transmits Signals to and from the Brain and Commands Reflexes

Question 25

It Transmits Signals to and from the Brain and Commands Reflexes

Answer 25

Spinal cord

Question 26

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

Answer 26

spinal cord

Question 27

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.

Answer 27

Spinal cord

Question 28

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

Answer 28

spinal cord

Question 29

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

Answer 29

Spinal cord

Question 30

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

Answer 30

Reflex Arc

Question 31

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

Answer 31

Reflex Arc

Question 32

The CNS is made of what?

Answer 32

neurons and their processes (axons)

Question 33

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

Answer 33

Gray matter

Question 34

Gray matter is made of what?

Answer 34

neuron cell bodies

Question 35

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

Answer 35

White matter

Question 36

White matter is made of what?

Answer 36

Axons

Question 37

It is where the instructions generate

Answer 37

gray matter

Question 38

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

Answer 38

white matter

Question 39

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

Answer 39

peripheral nervous system

Question 40

PNS consists of what?

Answer 40

nerves and their ganglia

Question 41

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

Answer 41

afferent

Question 42

What are the 5 examples of peripheral sense organs

Answer 42

eye, tongue, nasal mucosa, ear, and skin

Question 43

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

Answer 43

efferent motor

Question 44

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

Answer 44

ganglion

Question 45

It can be both sensory and autonomic.

Answer 45

Ganglia

Question 46

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

Answer 46

Sensory ganglia

Question 47

Sensory ganglia are associated with what?

Answer 47

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

Question 48

Peripheral nerves emerge from where?

Answer 48

CNS

Question 49

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

Answer 49

12 pairs of cranial nerves

Question 50

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

Answer 50

31 pairs of spinal nerves

Question 51

Cranial nerves are named what?

Answer 51

I to XII

Question 52

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

Answer 52

Cranial nerves

Question 53

It allows voluntary control over our movements and responses.

Answer 53

somatic nervous system

Question 54

What are the major somatic peripheral nerves?

Answer 54

median nerve sciatic nerve femoral nerve

Question 55

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

Answer 55

autonomic nervous system

Question 56

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

Answer 56

flight or fight state

Question 57

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

Answer 57

SANS

Question 58

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

Answer 58

PANS

Question 59

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

Answer 59

"rest and digest“ or "feed and breed“

Question 60

What are the centers of SANS and PANS?

Answer 60

brainstem and spinal cord

Question 61

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

Answer 61

C8 T12 L5 S5 CG1

Question 62

In spinal nerves, how many cervical?

Answer 62

8

Question 63

In spinal nerves, how many thoracic?

Answer 63

12

Question 64

In spinal nerves, how many lumbar?

Answer 64

5

Question 65

In spinal nerves, how many sacral?

Answer 65

5

Question 66

In spinal nerves, how many coccygeal nerve?

Answer 66

1

Question 67

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

Answer 67

plexuses