Nervous System Revision 2

Question 1

What are the two functions of the Somatic NS?

Answer 1

1. to control voluntary mvt of skeletal muscles

2. to transmit sensory info to the CNS, and motor info from the CNS

Question 2

What are the main function of the Autonomic NS?

Answer 2

1. to control the involuntary mvt of nonskeletal muscles

2. to regulate body functions automatically eg. breathing, heart beating

Question 3

What nervous system is the Sympathetic and Parasympathetic NS apart of?

Answer 3

Autonomic Nervous System

Question 4

What is the Sympathetic NS and its purpose?`

Answer 4

1. fight flight freeze response

2. enables us to respond to threats for survival

Question 5

What is the function of the PNS?

Answer 5

to maintain homeostatsis, and day to day bodily functions

Question 6

FLOWER POT

Answer 6

Frontal lobe, parietal lobe, occipital lobe, temporal lobe

Question 7

List functions of the Frontal lobe

Answer 7

speech, planning, social skills, emotion, personality

Question 8

What is the name of the cortex in the Frontal lobe? What is its function?

Answer 8

MOTOR CORTEX. Controls muscle movement

Question 9

What is the name of the cortex in the Parietal Lobe? what is does it control?

Answer 9

Somatosensory Cortex. Controls sensory info from the body. (eg touch, pain, temp.)

Question 10

Where is Wernicke’s Area located in the brain? What is it responsible for. (2)

Answer 10

Temporal Lobe. Interpretation of speech and language comprehension

Question 11

What is the name of the cortex in Occiptal Lobe?

Answer 11

Primary Visual Cortex

Question 12

Which hemisphere of the brain responsible for –> language comprehension and speech articulation?

Answer 12

Left

Question 13

What type of impulse does a neuron form?

Answer 13

electrical neural impulse

Question 14

What does an excitatory neurotransmitter do? and name one.

Answer 14

activates and excites the postsynaptic neurons to carry on action potential. eg GLUTAMATE

Question 15

What is inhitory effect. name a neurotransmitter

Answer 15

inhibits postsynaptic neurons from firing action potentional. eg GABA

Question 16

Define the lock and key process

Answer 16

Neurotransmiiter acts as a key that only binds with a specific receptor site if it has the right structure and charge.

Question 17

Give three examples of the Motor symptoms of P.D

Answer 17

1. tremor
2. muscle rigidity
3. postural instability

Question 18

Give three examples of Non-motor symptoms of P.D

Answer 18

1. fatigue
2. cognitive impairment,
3. anosmia (loss of smell)

Question 19

Where specifically in the brain are neurons lost or deterioated in P.D patients?

Answer 19

Substantia Nigra in the Mid Brain

Question 20

What is the function of Dopamine?

Answer 20

for smooth motor movement

Question 21

Less dopamine in the brain =

Answer 21

slower/irregular and less motor messages

Question 22

Which part of the Basal Ganglia do Dopamine carry messages to in the brain? Which part of the brain to the messages then travel do?

Answer 22

Striatum

Frontal Lobe.

Question 23

List 2 treatments for Parkinsons Disease

Answer 23

1. drugs converted to Dopamine (levodopa)

2. drugs witch mimic role of Dopamine (agonist)