biopsychology

Question 1

what two subsections does the nervous system split into?

Answer 1

the central nervous system and the peripheral nervous system

Question 2

what two subsections does the central nervous system split into?

Answer 2

the spinal cord and the brain

Question 3

what two subsections does the peripheral nervous system split into?

Answer 3

the somatic and autonomic nervous systems

Question 4

what two subsections does the autonomic nervous system split into?

Answer 4

the sympathetic and parasympathetic nervous systems

Question 5

what is the nervous system?

Answer 5

specialised network of cells and our primary internal communication system

Question 6

what are the nervous systems two main functions?

Answer 6

1) to collect, process and respond to information in the environment
2) to coordinate the working of different organs and calls in the body

Question 7

what is the function of the central nervous system?

Answer 7

control our behaviour and regulate the body’s physiological processes such as digestion and breathing

Question 8

what does the spinal cord do?

Answer 8

relays information between the brain and the rest of the body

Question 9

what is the brain?

Answer 9

the ‘control’ center

Question 10

how many lobes does the brain have?

Answer 10

4 lobes

Question 11

what are the 4 brain lobes?

Answer 11

frontal, temporal, occipital, parietal

Question 12

what is the frontal lobe responsible for?

Answer 12

thought and speech

Question 13

what does the frontal lobe house?

Answer 13

the broca’s area and the motor area

Question 14

what is the temporal lobe responsible for?

Answer 14

auditory information

Question 15

what does the temporal lobe house?

Answer 15

wernicke’s area

Question 16

what is the occipital lobe responsible for?

Answer 16

processing visual images

Question 17

what does the occipital lobe house?

Answer 17

visual cortex

Question 18

what is the parietal lobe responsible for?

Answer 18

processing of sensory information

Question 19

what does the parietal lobe house?

Answer 19

the sensory cortex

Question 20

what is the cerebellum responsible for?

Answer 20

control of motor skills and balance.

Question 21

what does the cerebellum coordinate?

Answer 21

coordinates muscles and allows for precision

Question 22

what is the brain stem responsible for?

Answer 22

regulating automatic functions essential for life

Question 23

what is the cerebrum split into?

Answer 23

two hemispheres

Question 24

how do the two hemispheres communicate?

Answer 24

via the corpus callosum

Question 25

what is the function of the peripheral nervous system?

Answer 25

transmits messages via millions of neurons from the CNS

Question 26

what does the CNS stand for?

Answer 26

central nervous system

Question 27

what does the PNS stand for?

Answer 27

peripheral nervous system

Question 28

what is the function of the autonomic nervous system?

Answer 28

regulates involuntary physiological processes

Question 29

what are some of the processes the ANS controls?

Answer 29

breathing, heart rate, blood pressure, sexual arousal

Question 30

what does ANS stand for?

Answer 30

autonomic nervous system

Question 31

what is the function of the somatic nervous system?

Answer 31

regulate voluntary movements of the skeletal muscles and transmits sensory information from body to CNS

Question 32

what is the function of the sympathetic nervous system?

Answer 32

‘fight or flight’

Question 33

what is the function of the parasympathetic nervous system?

Answer 33

‘rest and digest’

Question 34

what does ‘fight or flight’ do to the heart rate?

Answer 34

increase

Question 35

what does ‘rest and digest’ do to the heart rate

Answer 35

slows

Question 36

what does ‘fight or flight’ do to pupils?

Answer 36

dilates

Question 37

what does ‘rest and digest’ do to pupils?

Answer 37

constricts

Question 38

what does ‘fight or flight’ do to digestion and salivation?

Answer 38

inhibits

Question 39

what does ‘rest and digest’ do to digestion and salivation?

Answer 39

stimulates

Question 40

what does ‘fight or flight’ do to airways?

Answer 40

dilates

Question 41

what does ‘fight or flight’ do to blood flow?

Answer 41

redirects to muscles

Question 42

what does the diencephalon consist of?

Answer 42

the thalamus, hypothalamus and brain stem

Question 43

what is the thalamus responsible for?

Answer 43

relay info from never impulses coming from senses

Question 44

what is hypothalamus responsible for

Answer 44

regulate body temperature, hunger and thirst

Question 45

what is the brain stem responsible for?

Answer 45

regulate automatic functions

Question 46

what are the three types of neurons?

Answer 46

sensory, relay and motor

Question 47

what does a sensory neuron do?

Answer 47

sends information from senses to the brain

Question 48

what does a relay neuron do?

Answer 48

acts between sensory and motor neurons

Question 49

where are relay neurons mostly found?

Answer 49

brain/CNS

Question 50

what does a motor neuron do?

Answer 50

sends messages via long axons from the brain to muscles or effectors

Question 51

what is the primary function of a neuron?

Answer 51

transmit information throughout the nervous system

Question 52

the part of the neuron that receives signals is called the?

Answer 52

dendrite

Question 53

what is the role of myelin sheath in neurons?

Answer 53

insulate the axon and increase the speed of signal transmission

Question 54

what is synaptic transmission?

Answer 54

nerve impulses passing across s synaptic cleft from one neuron to another

Question 55

in synaptic transmission, what neurons do the nerve impulse pass from and to?

Answer 55

presynaptic neuron to postsynaptic neuron

Question 56

what are the two typers of neurotransmitters?

Answer 56

inhibitory and excitatory

Question 57

example of a excitatory neurotransmitter?

Answer 57

noradrenaline

Question 58

example of n inhibitory neurotransmitter?

Answer 58

serotonin and GABA

Question 59

what does an excitatory neurotransmitter do?

Answer 59

increase likelihood of an impulse being transferred to the postsynaptic neuron

Question 60

what does an inhibitory neurotransmitter do?

Answer 60

decrease likelihood of an impulse being transferred to the postsynaptic neuron