Nervous System

Question 1

Communication to the external environment is through:

Answer 1

Verbal and non-verbal communication, special senses (sight, hearing, taste, touch and balance)

Question 2

Internal communication is through which 2 systems?

Answer 2

Endocrine system and nervous system

Question 3

The endocrine system: Glands are situated… Secrete… which target… and… Slower than…

Answer 3

in different parts of the body. hormones, cells, tissues. nerves.

Question 4

Nervous system is involved in… and… It co-ordinates activities and actions of … It is … than the endocrine system.

Answer 4

Communication, controlling. individual body systems. Faster.

Question 5

What 2 systems work together to maintain homeostasis

Answer 5

Nervous and endocrine systems

Question 6

Principle functions of the nervous system

Answer 6

Receive, convey, integrate

Question 7

Recieve

Answer 7

Receive stimuli from outside and inside the body. Analyse information. Coordinate an appropriate response

Question 8

Concey

Answer 8

Convey impulses from the brain. Stimulate or depress activity in muscles, glands or other tissues

Question 9

Integrate

Answer 9

Integrate there many different functions carried out by the individual organ tissues and cells

Question 10

The two types of nervous tissue

Answer 10

Neurones (conduct nerve impulses) and neuroglia (unique connective tissue that supports neurones)

Question 11

How many more neuroglia than neurones are there?

Answer 11

10 times more

Question 12

CNS stands for…

Answer 12

Central nervous system

Question 13

Two parts of the CNS

Answer 13

Brain and spinal cord

Question 14

3 parts of brain in CNS

Answer 14

Cerebrum, cerebellum and brain stem

Question 15

3 parts of brain stem in CNS

Answer 15

Mid brain pons variolli and medulla oblongata

Question 16

What surround the brain and spinal cord

Answer 16

Meninges

Question 17

5 layers of meninges

Answer 17

Skull, dura mater (double layer), arachnoid mater, pie mater, cerebrospinal fluid

Question 18

How many pairs of spinal nerves are in the peripheral nervous system

Answer 18

31

Question 19

How many pairs of cranial nerves are there

Answer 19

12

Question 20

What are the two parts of the peripheral nervous system

Answer 20

Somatic NS (voluntary and consciously percieved) Autonomic NS (involuntary)

Question 21

2 parts of Autonomic NS

Answer 21

Parasympathetic and sympathetic

Question 22

In a non-myelinated neuron the main parts are…

Answer 22

The dendrites, nucleus, cell body, axon, neurilemma and terminal boutons

Question 23

Dendrite is… and the… of the nervous system

Answer 23

An extension of the cell body. White matter of the nervous system.

Question 24

Cell body forms the… of the nervous system… and is found in the… of the brain and the.. of the spinal cord

Answer 24

Grey matter of the nervous system . Found in the periphery of the brain and the centre of the spinal cord

Question 25

Axon is a.. of the cell body. It can be...

Answer 25

Extension of the cell body. Myelinated and un-mylinated

Question 26

Terminal boutons contain what?

Answer 26

Neurotransmitters

Question 27

What changes the electrical impulse of the cell

Answer 27

The movement of sodium and potassium ions through the axon

Question 28

Is myelinated or unmylinated neuron faster

Answer 28

Mylinated

Question 29

Myelin sheths cause the impulses to...

Answer 29

To jump

Question 30

Myelinated neurones are... They have ... of ... wrapped around the axon and between the layers is myelin (...) Myelin insulates the... and nodes of ... assist rapid transmission of nerve...

Answer 30

Peripheral, concentric layers, Schwann cell plasma membrane, fatty substance, axon, ranvier, impulses.

Question 31

At terminal boutons the impulse is changed from

Answer 31

Electrical to chemical

Question 32

Neurotransmitters are made by

Answer 32

Nerve cells

Question 33

Neurotransmitters are stored in

Answer 33

Terminal boutons

Question 34

Neurotransmitters convert info from

Answer 34

One neurone to another

Question 35

Peripheral nerves are...

Answer 35

Myelinated

Question 36

Shwann cell plasma membrane wrap around the ....

Answer 36

Axon and between layers in myelin

Question 37

Node of ranvier assist

Answer 37

Rapid transmission of nerve impulses

Question 38

Acetylcholine (Ach)

Answer 38

Is one of the most abundant neurotransmitters in the body. Found in the CNS and the PNS.

Question 39

Functions of acetylcholine

Answer 39

Stimulates muscles to contract. Memory and cognition.

Question 40

A nerve is numerous...

Answer 40

Neurones that are collected into bundles

Question 41

Afferent vs efferent

Answer 41

Sensory vs motor

Question 42

Afferent nerves

Answer 42

Carry information from the body to the spinal cord and can be autonomic

Question 43

Efferent nerves

Answer 43

Originate from the brain and the spinal cord. Transmit impulses to the effector organs: muscles and glands

Question 44

Are neuroglia excitable or non excitable

Answer 44

Non excitable

Question 45

4 types if neuroglia

Answer 45

Astrocytes oligodendrocytes ependymal cells microglia

Question 46

Neurones are supported by

Answer 46

Neuroglia

Question 47

Somatic vs autonomic

Answer 47

Voluntary vs involuntary

Question 48

Sympathetic nervous system vs parasympathetic nervous system

Answer 48

Fight or flight vs rest and digest

Question 49

Cranial nerve impulses originate from...

Answer 49

Nuclei within the brain

Question 50

How are cranial nerves numbered?

Answer 50

Roman numerals (1-12) in order that they connect to brain

Question 51

Vagus nerve is the ... cranial nerve and forms part of the.. nervous system

Answer 51

10th, parasympathetic

Question 52

In the cervical area of the spine how many nerve pairs are there?

Answer 52

8

Question 53

In the thoracic area of the spine how many nerve pairs are there?

Answer 53

12

Question 54

In the lumbar area of the spine how many nerve pairs are there?

Answer 54

5

Question 55

In the sacral area of the spine how many nerve pairs are there?

Answer 55

5

Question 56

In the coccygeal area of the spine how many nerve pairs are there?

Answer 56

1