Nervous System

Question 1

Divisions of the nervous system

Answer 1

Central nervous system
peripheral nervous system
autonomic nervous system

Question 2

Decribe the CNS

Answer 2

consists of: brain, spinal cord, cranial nerves, spinal nerves

• receives sensory information and makes sense of it
• controls voluntary and involuntary functions incuding all motor movement

Question 3

Describe the PNS

Answer 3

consists of: sensory and motor nerves
communication network from the CNS to the rest of the body, sends sensory info from environment to cns to produce motor movements

Question 4

Describe autonomic nervous system

Answer 4

• controls involunatry function of muscles, organs and tissues
• Sympathetic system: fight or flight response release of adrenalin and affects heart rate
• parasympathetic system: controls important functions when body is at rest

Question 5

Define nervous tissue

Answer 5

sends messages to and from CNS and controls body functions

Question 6

Cranial nerve V (5)

Answer 6

Trigeminal Nerve: main sensory nerve of the face

Question 7

Cranial Nerve VII (7)

Answer 7

Facial Nerve: main motor nerve of the face

Question 8

Cranial nerve XI (11)

Answer 8

Accessory Nerve: Motor control of the neck and shoulders

Question 9

Define Sensory Nerves

Answer 9

detect sensory stimuli through sensory receptors from environment and relay the info to the brain

Question 10

Define motor nerves

Answer 10

send messages from the brain to muscles and glands to produce movements (voluntary or involuntary)

Question 11

what cells make up nerve tissue?

Answer 11

neurons

Question 12

3 branches of the trigeminal nerve?

Answer 12

Opthalmic
Maxillar
Mandible