Neuro System

Question 1

Myelinated Cells Acronym?

Answer 1

COPS
CNS:Oligodendrocytes PNS:Schwann cells

Question 2

____ Na+ out, ___ K+ in

Answer 2

3 Na+
2 K+

Question 3

Ependymal cells produce ________ which cushions the CNS.

Answer 3

cerebrospinal fluid (CSF)

Question 4

Outermost to innermost meninges acronym

Answer 4

DAP = dura → arachnoid → pia

Question 5

Parasympathetic nervous system effects through the ______ nerve

Answer 5

vagus

Question 6

What does the Sympathetic NS do to the eyes?

Answer 6

Dilation of the pupil

Question 7

Which part of the ear takes in sound waves?

Answer 7

The outer ear

Question 8

Which part of the ear transfers sound waves?
Where does it transfer them to?

Answer 8

the tympanic membrane
from outer ear to middle ear!

Question 9

What is the middle ear composed of?

Answer 9

3 bony ossicles
Malleus, incus, & stapes

Question 10

_______ transfer vibrations through the ______ ear and amplify the signal

Answer 10

ossicles, middle

Question 11

The _______ transfers the vibrations from the _____ to the _______ ear via the oval window.

Answer 11

stapes
middle to inner

Question 12

Through what structure does the stapes transfers vibrations from the middle ear to the inner ear?

Answer 12

The oval window
* its attached to the oval window *

Question 13

The ______ uses _____ and ______ to convert the mechanical signal into a neuronal signal, known as transduction.

Answer 13

cochlea, fluid and hairs

Question 14

Round window
Located where?
Helps fluid do what?

Answer 14

Membrane covered opening
Between the middle ear and the inner ear
Helps fluid expand & vibrate

Question 15

Semicircular canal
Has what?
Main function?

Answer 15

Has fluid and hairs
Gives information about the person’s movement & dizziness

Question 16

Cornea definition

Answer 16

Transparent
Focuses light & protects the eye

Question 17

Iris definition

Answer 17

Controls the size of the pupil

Question 18

Pupil definition

Answer 18

Controls how much light enters the eye

Question 19

Lens definition

Answer 19

Focuses images on retina

Question 20

Retina
Has what 2 parts?

Answer 20

Photoreceptors @ back of eye
Rods: low-light perception
Cones: color perception

Question 21

Fovea
Main function?
Has a lot of what?
Located where?

Answer 21

Responsible for high acuity vision
Highest concentration of photoreceptors
In the retina

Question 22

Amacrine and bipolar cells take info from ____ and transmit it to ________ of what nerve?

Answer 22

Take information from rods and cones
Transmit to ganglion cells of the optic nerve

Question 23

Optic nerve

Answer 23

bundle of axons that transmits visual info. to the brain

Question 24

Optic disk

Answer 24

Blind spot of the eye, where the optic nerve passes through to reach the brain

Question 25

Sclera

Answer 25

Protective connective tissue that surrounds the eye, the “white part” of the eye.

Question 26

Choroid

Answer 26

Vascular connective tissue

Question 27

How many taste receptor cells? Where is taste info sent?

Answer 27

5 taste receptor cells: - salty, sweet, bitter, sour, and umami. Sent to thalamus & gustatory cortex

Question 28

Where do olfactory receptor cells send their signals to?

Answer 28

Olfactory cortex, which gives us the perception of smell Also the thalamus & orbitofrontal cortex for smell sensation

Question 29

Thalamus

Answer 29

the "relay center" for the brain that relays information from the body to the brain

Question 30

Hypothalamus

Answer 30

maintains homeostasis by stimulating the autonomic nervous system and controlling hormone secretion

Question 31

Hippocampus

Answer 31

responsible for the consolidation of memories

Question 32

Amygdala

Answer 32

processes fear and is responsible for emotional reactions to certain scents

Question 33

Motor movement is controlled primarily through the..... and ......

Answer 33

cerebral cortex and the cerebellum.

Question 34

The limbic system is responsible for

Answer 34

emotions, memory, learning, and motivation

Question 35

cerebellum

Answer 35

coordination of movement