somatic nervous system

Question 1

what is the functional unit of the nervous system

Answer 1

neuron

Question 2

components of a neuron

Answer 2

cell body
dendrites
and axon

Question 3

major types of neuron

Answer 3

bipolar, multipolar and pseudounipolar

Question 4

4 types of neuroglial cells

Answer 4

astrocytes
microglial cells
ependymal cells
oligodendrocytes

Question 5

what is the myelin sheath made up of

Answer 5

lipid and protein substance

Question 6

function of myelin sheath

Answer 6

increase velocity of impulse conduction

Question 7

3 layers protecting nerves

Answer 7

epineurium
perineuim
endoneurium

Question 8

describe a dermatome

Answer 8

area of skin supplied by a single spinal nerve

Question 9

describe a myotome

Answer 9

part of muscle supplied by a single nerve

Question 10

2 parts of the nervous system

Answer 10

central NS
peripheral NS

Question 11

central nervous system

Answer 11

brain and spinal cord

Question 12

peripheral nervous system

Answer 12

12 cranial nerves
31 spinal nerves and peripheral ganglia

Question 13

2 sections of somatic nervous system

Answer 13

motor
sensory

Question 14

sensory system controls what

Answer 14

pain/touch/temperature/proprioception

Question 15

somatic motor fibre regulates…..

Answer 15

voluntary control of body via skeletal muscle

Question 16

somatic sensory fibre transmits….

Answer 16

general sensation to the CNS

Question 17

damage to the spinal nerve roots cause what loss

Answer 17

sensory or motor

Question 18

damage to the spinal nerve anterior/dorsal root cause what loss

Answer 18

motor loss

Question 19

damage to the spinal nerve posterior/dorsal root cause what loss

Answer 19

sensory loss

Question 20

damage to the spinal nerve causes what loss

Answer 20

both motor and sensory

Question 21

damage to the spinal nerve rami causes what loss

Answer 21

both motor and sensory

Question 22

damage to the spinal nerve ventral ramus causes what loss

Answer 22

motor and sensory loss of anterolateral trunk and limbs

Question 23

damage to the spinal nerve dorsal ramus causes what loss

Answer 23

motor and sensory loss of the back

Question 24

where does the spinal nerve exit

Answer 24

through intervertebral foramen

Question 25

the knee jerk is done to assess what

Answer 25

tp test the quadriceps function

Question 26

damage to lower motor neurons results in what

Answer 26

paralysis or weakness in the affected muscles

Question 27

damage to lower motor neurons results in what

Answer 27

paralysis or weakness in the affected muscles

Question 28

a wrist drop may be a sign of

Answer 28

radial nerve injury
extensor weakness

Question 29

drop foot may be a sign of

Answer 29

damaged nerve supplying the anterior compartment of the leg

Question 30

winged scapula may be a sign of

Answer 30

damage to the nerve supplying to the serratus anterior