The Nervous System

Question 0

What is a neuron?

Answer 0

Basic nerve cell

Question 1

What do dendrites do?

Answer 1

Carry message to the cell body

Question 2

What is an axon?

Answer 2

Carries message out of cell body.

Question 3

What is the Myelin sheath?

Answer 3

Appears white, “white matter”, covers the axon

Question 4

What Is gray matter?

Answer 4

Doesn’t have myelin sheath

Question 5

How many cranial nerves are there?

Answer 5

12

Question 6

What is the first cranial nerve?

Answer 6

Olfactory

Question 7

What is the second cranial nerve?

Answer 7

Optic

Question 8

Cerebell/o?

Answer 8

Cerebellum

Question 9

Cerebr/o?

Answer 9

Cerebrum

Question 10

Gli/o?

Answer 10

Glue

Question 11

What is CNS?

Answer 11

Central nervous system

Question 12

What makes up a neuron?

Answer 12

Cell body
Dendrites
Axon

Question 13

What is neuroglia?

Answer 13

Supporting tissues of the nervous system, nerve glue

Question 14

What is the cell body?

Answer 14

The sending and receiving center

Question 15

A nerve cell can have more than one ____.

Answer 15

Dendrite

Question 16

Nerve cell can only have one ____.

Answer 16

Axon

Question 17

What does the myelin sheath do?

Answer 17

Fatty covering, speeds impulses along

Question 18

What is the synapse?

Answer 18

The connection point between two neurons or point between the axon and muscle

Question 19

What is a neurotransmitter?

Answer 19

Chemical that facilitates nerve transmission across synapse, hormones are typical neurotransmitters

Question 20

How any lobes are in the brain?

Answer 20

Four

Question 21

Wha are the four lobes?

Answer 21

Frontal (1)
Parietal (2)
Temporal (2)
Occipital (1)

Question 22

What is the pons?

Answer 22

Acts as a bridge in the brain that series messages from the cerebrum to temporal lobe

Question 23

What is the medulla oblongata?

Answer 23

Controls basic life support

Ex: breathing, BP, heart rate, coughing

Question 24

What is the cerebrum?

Answer 24

Largest part of the brain

Question 25

What are the ventricles?

Answer 25

Spinal fluid

Question 26

What are meninges?

Answer 26

Membranes that protect the brain and spinal cord

Question 27

What are the 3 layers of meninges?

Answer 27

``` Dura mater (tough outer later) Arachnoid (web like middle layer) Pia mater (soft inner layer) ```

Question 28

How many spinal nerves are there?

Answer 28

31

Question 29

Wha does the somatic nervous system control?

Answer 29

Conscious action

Question 30

What does the Autonomic nervous system do?

Answer 30

Automatic function such as with heart and lungs

Question 31

What does the automatic nervous system break down into?

Answer 31

Sympathetic nervous system | Parasympathetic nervous system

Question 32

What is the sympathetic nervous system?

Answer 32

Fight or flight

Question 33

What is parasympathetic nervous system?

Answer 33

Returns body to homeostatic state

Question 34

What causes a concussion?

Answer 34

Severe blowto the head

Question 35

What is subdural hematoma?

Answer 35

Underneath the dura blood tumor

Question 36

What is a epidural hematoma?

Answer 36

On the dura blood tumor

Question 37

What is an aneurysm?

Answer 37

Bulging out of a vessel, ballooning

Question 38

What is LP?

Answer 38

Lumbar puncture / spinal tap

Question 39

What is ADHD?

Answer 39

Attention deficit hyperactivity disorder

Question 40

CNS?

Answer 40

Central nervous system

Question 41

IQ?

Answer 41

Intelligence quotient

Question 42

OCD?

Answer 42

Obsessive compulsive disorder

Question 43

PNS?

Answer 43

Peripheral nervous system

Question 44

The nervous system is the ______ in the body.

Answer 44

Most complex

Question 45

What are te two divisions of the nervous system?

Answer 45

Central nervous system | Peripheral nervous system

Question 46

What does the nervous system do?

Answer 46

Coordinates involuntary actions such as reflexes Coordinates voluntary actions such as walking Maintains homeostasis in the body

Question 47

What is another name for sensory neurons?

Answer 47

Afferent

Question 48

What do sensory neurons do?

Answer 48

Carries message into CNS and delivers a central neuron

Question 49

What is another name for the central neuron?

Answer 49

Connecting

Question 50

The central neuron is only in the ____.

Answer 50

CNS

Question 51

What is another name for motor neurons?

Answer 51

Efferent

Question 52

What do motor neurons do?

Answer 52

Action/effect, make movement

Question 53

What are nerves?

Answer 53

Group of axons in the body