intro senses and eye

Question 1

what receptors are in the hypothalamus

Answer 1

thermo
chemo
osmo

Question 2

SYMPATHETIC (AUTONOMIC)

Answer 2

fight or flight (short term stress)

Question 3

PARASYMPATHETIC (AUTONOMIC)

Answer 3

restore and conserve energy

Question 4

BLOOD-BRAIN BARRIER

Answer 4

formed by meninges and tight-walled cappilaries

Question 5

what does the blood brain barrier do

Answer 5

seperates the blood and nervous system

Question 6

what can get through the blood brain barrier

Answer 6

O2 and lipid-soluble material

Question 7

CEREBROSPINAL FLUID (CSF)

Answer 7

transports hormones, WBC, and nutrients across the blood brain barrier
- protects the brain

Question 8

what % does the brain make up

Answer 8

2%

Question 9

what % of O2 of the body does the brain use

Answer 9

20%

Question 10

what matter is outside the brain

Answer 10

grey

Question 11

what matter is inside the brain

Answer 11

white

Question 12

what surrounds the brain

Answer 12

CBS fluid, meninges, and the skull

Question 13

what matter is in the cerebrum

Answer 13

grey matter

Question 14

CEREBRUM

Answer 14

manages where things get sent

Question 15

HYPOTHALAMUS

Answer 15

main control centre for homeostasis
- controls hormone production

Question 16

MEDULLA OBLONGTA

Answer 16

automatic involuntary response

Question 17

PONS

Answer 17

up and down information

Question 18

PROPRIOCEPTORS

Answer 18

special sensorecetor bbetween muscles and joints )muscle memory)

Question 19

CEREBRAL CORTEX

Answer 19

longest part of the brain
- divded into lobes

Question 20

CORPUS CALLOSUM

Answer 20

links left and white hemisphere (white matter)

Question 21

R HEMISPHERE

Answer 21

INTUITION, VISUAL-SPATIAL SKILLS, ARTISTIC SKILLS

Question 22

L HEMISPHERE

Answer 22

sequential and logical thinking, linguistic, mathematical ability

Question 23

FRONTL LOBE

Answer 23

thought, intelligence, memory, personality, voluntary motor skills

Question 24

PARIETAL

Answer 24

process senory info from skin, process info about body position

Question 25

TEMPORAL

Answer 25

auditory reception, understanding speech, retrieving visual and auditory memories and some info process

Question 26

OCCIPITAL

Answer 26

recieve and process visual info

Question 27

is the static part of the occipital lobe front or back

Answer 27

back

Question 28

CORNEA-CONJUSTIVITA

Answer 28

outer membrane/layer

Question 29

SCHLERA

Answer 29

white and has blood vessels

Question 30

CHOROID

Answer 30

black pigmented layer that prevents light scattering

Question 31

AQUEOUS HUMOUR

Answer 31

supplies the cornea with food

Question 32

IRIS

Answer 32

colour protein adjusts in size based on the instensity of light

Question 33

CILIARY BODY/MUSCLE

Answer 33

adjusts lens to focus light on retina

Question 34

Relaxed ciliary muscle

Answer 34

FWD

Question 35

contract ciliary muscle

Answer 35

BWD

Question 36

SUSPENSORY LIGAMENTS

Answer 36

attaches to the lens

Question 37

Round lens

Answer 37

close distance

Question 38

flat lens

Answer 38

far distance

Question 39

what parts of the eyes are used for accomadation reflex

Answer 39

clilary muscle suspensory ligaments lens

Question 40

VITREOUS HUMOUR

Answer 40

jelly-like substance that holds the eyballs shape

Question 41

two types of retina

Answer 41

ROD cells CONE cells

Question 42

ROD CELLS

Answer 42

peripheral, black and white, sensitive to brightness

Question 43

CONE CELLS

Answer 43

central, colour, senstive to colour

Question 44

what colours are the cone cells sensitive to

Answer 44

blue, red, green

Question 45

FOVEA CENTRAL

Answer 45

focal point behind the pupil

Question 46

BLIND SPOT

Answer 46

no photoreceptors

Question 47

OPTIC NERVE

Answer 47

ganglion cells

Question 48

which part of the eye has the highest concentration of cone cells

Answer 48

FOVEA CENTRAL

Question 49

MYOPEIA

Answer 49

eye is too long = concave lens

Question 50

HYPEROPEIA

Answer 50

eyeball too short = convex lens

Question 51

ASTIGMATISM

Answer 51

cornea not round = 90o cut lens perpendicual to the flat areas

Question 52

CATARACTS

Answer 52

lens becomes too opaque = reading glasses, surgery

Question 53

COLOURBLIND

Answer 53

can't process red, green, blue = glasses

Question 54

GLUCOMA

Answer 54

too mushc aqueous humour

Question 55

ACCOMADATION EYE REFLEX

Answer 55

the ability to see far and close quickly

Question 56

ciliary body structure to see far

Answer 56

relax and fwd

Question 57

suspensory ligaments structure to see far

Answer 57

tight

Question 58

len structure to see far

Answer 58

stretched and flat

Question 59

ciliary body to see close

Answer 59

contracted and straight

Question 60

suspensary ligaments structure to see close

Answer 60

loose

Question 61

lens structure to see close

Answer 61

loose and round

Question 62

PATHWAY FOR SIGHT

Answer 62

optic nerve (ganglion/sensory neuron -> optic chiasma) thalamus occipital lobe