Exam Flash Cards

Question 1

Draw a pic of a neuron -

Answer 1

…

Question 2

where are cell bodies of sensory & motor neurons located -

Answer 2

sensory - take messages from the skin/organs to central nervous system
motor - take messages from the brain to muscles

Question 3

at depolarization ……. in -

Answer 3

sodium

Question 4

at repolarization …… out -

Answer 4

potassium

Question 5

at refactoring ….. -

Answer 5

flip back

Question 6

where are neurotransmitters made -

Answer 6

in the cell body of a neuron & transported down the axon and stores in vesicles

Question 7

difference between myelinated and unmyelinated nerves -

Answer 7

myelinated - contain schwann cells that for from myelin sheaths
unmyelinated - lack myelin sheaths bc no schwann cells

Question 8

Frontal Lobe -

Answer 8

• located in front

- controls abstract thinking

Question 9

Pariteal Lobe -

Answer 9

• located behind frontal lobe in middle

- interprets sensory info to “feel”

Question 10

Occipital Lobe -

Answer 10

• on the underside of the skull

- interprets vision

Question 11

Temporal Lobe -

Answer 11

• located on sides by the temples

- interprets hearing and smell

Question 12

Brain Stem -

Answer 12

• located before spinal cord
• consists of medulla, pons,midbrain
• allows the neurons travel through it to relay messages

Question 13

Thalamus -

Answer 13

comes after midbrain

-the actual relay station

Question 14

Hypothalamus -

Answer 14

exerts major control over nearly all body organs

Question 15

Pineal Gland -

Answer 15

makes melatonin

Question 16

Pituitary Gland -

Answer 16

produces hormones to regulate homeosatsis

Question 17

Cerebellum -

Answer 17

helps maintain equilibrium, posture/coordination

Question 18

which structure connects the hemispheres -

Answer 18

corupus callosum

Question 19

the disorder of the brain is degenerative resulting in the destruction of neurons in the brain, genetics play a role, loss of memory and attention -

Answer 19

alzheimers

Question 20

the disorder of the brain that is generally a stroke, it is the stopping of blood flow through the blood vessels of the cerebrum caused by a blockage -

Answer 20

cerebrovascular accident CVA

Question 21

this brain disorder is a permanent, non-progressive damage to the motor control areas in the brain, caused by mostly prenatal conditions -

Answer 21

CP - cerebrall palsy

Question 22

this brain disorder is where the degeneration of neurons results in a decreased amount of dopamine resulting in shaky hands and muscle weakness -

Answer 22

parkinsons

Question 23

tough meninge containing many many tough fibers -

Answer 23

dura mater

Question 24

is the cobby web looking meninge composed of elastic fibers and collagen-

Answer 24

arachnoid mater

Question 25

this meninge is delicate containing blood vessels that adheres directly to the brain and spinal cord -

Answer 25

pia mater

Question 26

final destination for sight -

Answer 26

ends in the occipital lobe

Question 27

final destination for sound/hearing -

Answer 27

ends in the temporal lobe

Question 28

final destination for feeling -

Answer 28

ends in the pariteal lobe

Question 29

function of the ear -

Answer 29

hearing, balance, and equilibrium

Question 30

the external ear collects and transmits …… .

Answer 30

sound waves

Question 31

the middle ear converts and amplifys ………

Answer 31

vibrations

Question 32

the inner ear is the ….

Answer 32

last structure

Question 33

the vestibule detects …..

Answer 33

gravity

Question 34

the semicircular canals detect …..

Answer 34

spinning

Question 35

the cochlea / organ of corti detect …..

Answer 35

hearing

Question 36

sound converted to vibrations / sound waves occur where -

Answer 36

in the middle ear

Question 37

action potential occurs in the ear when …..

Answer 37

3 sections of the inner ear help detect sound, gravity, or spinning - these actions move hair cells causing this action potential

Question 38

functions of the eyes -

Answer 38

gather light
focus light
detect color
convert image to impulse
keep eye moist & no disease

Question 39

structures of the eyes -

Answer 39

conjunctiva
cornea
sclera
anterior chamber
pupil
iris
ciliary
canals of schem
lens
retina
choroid