A&P - Chapter 18 (Part 1)

Question 1

What system does the nervous system work with?

Answer 1

Endocrine system

Question 2

What is the main function of the nervous system?

Answer 2

Communication

Question 3

What 3 things make up the nervous system?

Answer 3

1. Brain
2. Spinal cord
3. Nerves

Question 4

What are 2 types of nerves?

Answer 4

1. Cranial

2. Spinal

Question 5

What 2 systems make up the nervous system?

Answer 5

1. Central nervous system
   - CNS
2. Peripheral nervous system
   - PNS

Question 6

What 2 structures make up the CNS?

Answer 6

1. Brain

2. Spinal cord

Question 7

Where is the CNS located?

Answer 7

Centrally

Question 8

What is the CNS considered?

Answer 8

The structural and functional centre of the entire nervous system

Question 9

What does the CNS have? (2)

Answer 9

1. Integrative centre

2. Control centre

Question 10

What does the control centre do? (2)

Answer 10

1. Interprets incoming information
   - sensory
2. Initiates an outgoing response

Question 11

Where is the PNS located?

Answer 11

Extends to the peripheral parts of the body

Question 12

What does the PNS do?

Answer 12

Communicates between the CNS and the rest of the body

Question 13

Afferent

Answer 13

Signals to the body

Question 14

Efferent

Answer 14

Signals away from the body

Question 15

What 2 parts make up the somatic integration center?

Answer 15

1. Somatic sensory division
   - afferent (simulus)
2. Somatic motor division
   - efferent (response)

Question 16

What 2 nerves make up the PNS?`

Answer 16

1. Somatic

2. Autonomic

Question 17

What 3 parts make up the autonomic nervous system?

Answer 17

1. Visceral sensory
   - afferent (simulus)
2. Sympathetic division
   - efferent (response)
3. Parasympathetic division
   - efferent (response)

Question 18

What are 3 examples of autonomic effectors?

Answer 18

1. Cardiac/smooth muscles
2. Glands
3. Adipose tissue

Question 19

Somatic

Answer 19

Communication between CNS and skeletal muscles

Question 20

Autonomic

Answer 20

Communication between CNS and visceral effectors

Question 21

Sympathetic

Answer 21

Flight or flight

- stress response activities

Question 22

Parasympathetic

Answer 22

Rest and repair

- normal resting activities

Question 23

What happens during sympathetic responses? (5)

Answer 23

1. Pupils dilate
   - get bigger
2. Blood rushes to the core
   - constrict
3. Heart beats faster
4. Decrease movement in the bowel
5. Increase blood pressure

Question 24

What happens during parasympathetic response?(4)

Answer 24

1. Blood circulates around the body
2. Heart beat is normal
3. Increase movement in bowl and in glands
4. Decreases blood pressure