Introduction to nerve system - Week 3

Question 1

Ventral

Answer 1

Anterior

Question 2

Dorsal

Answer 2

Posterior

Question 3

Ramus

Answer 3

Singular

Question 4

Rami

Answer 4

Plural

Question 5

Afferent

Answer 5

Sensory

Question 6

Efferent

Answer 6

Motor

Question 7

Ganglion

Answer 7

A collection of nerve cell bodies outside the CNS

Question 8

What makes up the CNS?

Answer 8

Brain and spinal cord

Question 9

What makes up the PNS? (two nervous systems)

Answer 9

SNS and ANS

Somatic nervous system is a subdivision of the peripheral nervous system. Responsible for voluntary control.

Autonomic nervous system is a component of the peripheral nervous system that regulates involuntary physiologic process such as heart rate and blood pressure. It contains three subdivisions: Sympathetic, parasympathetic and enteric.

Question 10

Which nervous system has the ability to recover from injury?

Answer 10

PNS

Question 11

Which vertebrae does the spinal cord terminate at?

Answer 11

L2 - the PNS continues along the rest of the vertebrae

Question 12

Somatic

Answer 12

Provides sensory and motor information to all parts of the body at a conscious level

Question 13

3 types of somatic sensory information

Answer 13

touch, pain, position sensations (proprioception)

Question 14

Somatic motor information

Answer 14

Innervates skeletal muscles for voluntary and reflexive movements

Question 15

Autonomic

Answer 15

Controls functions of the body not under conscious control

autonomic reflexes and visceral (smooth and cardiac muscles) function and pain

Question 16

Sympathetic division

Answer 16

Dangerous and stressful situations (fight or flight)

Question 17

Parasympathetic division

Answer 17

Relaxes your body after periods of stress or danger (rest and digest)

Question 18

If you were treating someone with a spinal cord injury (within the CNS) at the level of the neck, do you think your patient will recover their full function in the area below the lesion?

Answer 18

No