Unit 2 Nervous System

Question 1

Cerebral Cortex

Answer 1

Highest level of control

creation of voluntary movement

Question 2

Basal ganglia

Answer 2

2nd highest control

postures and equilibrium

Question 3

Cerabellum

Answer 3

integrator of sensory impulses

Question 4

Brain Stem

Answer 4

Integrates all CNS activity

Question 5

Spinal Cord

Answer 5

common pathway between CNS and PNS

Question 6

Cervical Plexus

Answer 6

Cervical nerves 1-4

sensation from upper shoulders to back of head

Question 7

Brachial Plexus

Answer 7

Cervical nerves 5-8

motor/sensory for most of scapula

Question 8

Myotome

Answer 8

Muscle or group of muscles supplied by a specific spinal nerve

Question 9

Proprioceptors

Answer 9

internal receptors tell body where body parts are located

Question 10

Kinesthesis

Answer 10

conscious awareness of position and movement of the body in space

Question 11

proprioception

Answer 11

subconscious mechanism that regulates posture and movement

Question 12

All or None principle

Answer 12

regardless of number, or individual fibers in a motor unit it will either fire and contract maximally or not at all