Sf Study Guide 3

Front 1

what are the 3 components of the diencephalon?

Back 1

thalamus
hypothalamus
pineal gland

Front 2

what is the location and function of the thalamus

Back 2

surrounds 3rd ventricle and it attaches an emotion to a stimuli

Front 3

1. location of the hypothalmus?
2. Function?

Back 3

1.Below thalamus
2.Regulates homeostasis

Front 4

1. location of pineal gland?
2.Function

Back 4

posterior portion of diencephalon
2. produces melatonin and regulates sleep cycle

Front 5

4 functions of the lymbic system?

Back 5

Memory, Motivitaion, olfactory, emotions

Front 6

Function of the amygdala

Back 6

its the rage center

Front 7

function of the hippocampus

Back 7

learning and memory

Front 8

function of the fornix

Back 8

carries signals to from the hippocampus to the hypothalamus

Front 9

damage of the limbic systems can cause?

Back 9

memory loss, loss of smell, inhability to recognize fear and face expression

Front 10

frontal lobe function

Back 10

descion making and motor commands

Front 11

parietal lobe function?

Back 11

sensory analysis

Front 12

occipital lobe function

Back 12

analyzes vissual imput

Front 13

/temporal lobe function

Back 13

analyze auditory input

Front 14

an outward fold of tissue

Back 14

gyri

Front 15

shallow grove

Back 15

sulcli

Front 16

a large indentation in the brain

Back 16

longitudinal fissure

Front 17

impulses travel between gyri in the same hemisphere

Back 17

association fibers

Front 18

transmit impules from gyri in one hemisphere to other

Back 18

commisural fibers

Front 19

ascending and descending fibers that relay info to the cerebrum and other structures

Back 19

projection fibers

Front 20

what is the basal nuclei and its function

Back 20

group of several nuclei within the cerebrum and its function is to reciebve sensory and motor infro from the cerebum

Front 21

how many neurons are involeved in the sesnory pathway?

Back 21

3

Front 22

where is the the sensory humuclus and why are some sections bigger then others?

Back 22

mapped out in the brain and they have more nerves then others

Front 23

what are 4 factors that contribute to the interpretation of the sensory stimulus

Back 23

#of neurons, neurons relay certain info, frequency

Front 24

what is the significance of the association areas?

Back 24

they have circuits going to other lobes and strucutures

Front 25

how many neurons in the motor pathway? where does it start?

Back 25

2 (brain to down)

Front 26

AReas that contribute to the formation of motor commands

Back 26

Basal nuclei (muscletone)
*cerebrum* (corrective movemnet)
premotor area (sequencial movement)
Broccas (speech)

Front 27

what are the 3 integrative centers

Back 27

wernickes area
prefrontal cortex
broccas area

Front 28

right hemisphere does hat?

Back 28

controls left side of the body,
visual info, artistic, Creativity

Front 29

left hemisphere does what?

Back 29

controls right side of body, sppech/language, logical thinking, decision making

Front 30

Somatic nervous system releases

Back 30

ACh

Front 31

Autonomic nervous system neurons releases

Back 31

Ach or NE

Front 32

in a SNS the neurons exit through where? ganglia are where? preganglionic neurons are? and post ganglioninc neurons are

Back 32

thoracolumbar region, spinal cord, cholenergic, adrenergic or cholenenrgic,

Front 33

in the pns the preganglionic neurons exit through the? the ganglia are located where? and the pre and postganglionic neurons are?

Back 33

craniosacral region. effector organ, cholenergic

Front 34

2 types of cholinergic receptors, what do they bind to?

Back 34

nicotinic and muscarcinc , ACh

Front 35

how are nicotonic and muscarininc receptros diffrent

Back 35

N can be found on PG dendrites and cell bodies, while M can be found at effector. N = depolarized M = hyperpolarized or depolarized

Front 36

What are found on most effectors stimulated by postganglionic neurons of the sns?

Back 36

adrenergic receptors

Front 37

What does adrenergic receptors bind to and how is it removed?

Back 37

NE E and enzymes and reuptake

Front 38

first order neurons in the olfactory path serve what function?

Back 38

form olfactory nerve

Front 39

where is the 2nd order neurons in the olfact path

Back 39

olfactory tract

Front 40

what cranial nerves transmit guastory impulses,

Back 40

7 9 10

Front 41

avascualar trasnparent coat that is curved to focus light on lense

Back 41

cornea

Front 42

transparent structure that helps to focus image on the retina

Back 42

lens

Front 43

covers eyeball, opaque ct, white of the eye

Back 43

sclera

Front 44

colored portion of the eye, muscle that extends between cornea and lens,

Back 44

iris

Front 45

contract when stim by pns causing pupil to constrict

Back 45

cicrular muscles

Front 46

contract when stim by sns causeing pupil to dialate

Back 46

radial muscle

Front 47

muscle that attaches to lense via zone fibers and controls cervature of lense

Back 47

ciliary body

Front 48

fluid filled cavaity positioned between cornea and iris

Back 48

anterior chmaber

Front 49

fluid filled cavaity behinf lens

Back 49

vitreaous chamber

Front 50

vascualr portion that lines sclera

Back 50

choriod

Front 51

location where axons exit eye, blind spot

Back 51

optic disc

Front 52

mucus memebrane that lines the outside of the eye and also inner surface of eye lid

Back 52

conjunctiva

Front 53

what is responsible for most refraction?

Back 53

cornea

Front 54

lipid souluble hormones? describe its mechanism of action

Back 54

T3 T4; passesnthrough memebrane, enter nucleaus and bind with receptor links with dna and can now make protein

Front 55

non-lipid soluble?

Back 55

protein hormones

Front 56

to much hormone

Back 56

hypersecretion

Front 57

to little hormone

Back 57

hyposecretion

Front 58

3 ways growth hormones promote growth,

Back 58

Incr amino accid uptake
incr lipolysis
incr glycogenolysis

Front 59

bllod glucose levels are to low, the hypathalmus will create GH to regualte Glucose level

Back 59

hypoglycemia

Front 60

bllod glucose leves are to high so the hypothalmus respngs by stoppin production of gh

Back 60

hyperglycima