Study for test 3

Question 1

What is an Axonic neuron

Answer 1

Smallest, not axons and dendrites, and found in sensory organs.

Question 2

What is a Unipolar Neuron?

Answer 2

1 process that the dendrite and axon, found in sensory organs.

Question 3

What is a Bipolar Neuron?

Answer 3

2 process with cell body off to one side, found in sensory organs.

Question 4

What is a multipolar neuron?

Answer 4

Many processes, 1 axon with many dendrites and found in places motor neurons are.

Question 5

What is a sensory neuron?

Answer 5

going towards the CNS and are mostly unipolar. They are found in the parts that are near sensory integration.

Question 6

What is an interneruon?

Answer 6

Are the intermediate of the two, processing information, and are found in the brain.

Question 7

What is a motor neuron?

Answer 7

Going away from the CNS and are mostly multipolar. They are found near where motor neurons are present.

Question 8

What is the 6 types of neruoglia?

Answer 8

Schwann Cells, Satellite Cells, Astrocytes, Oligodendrocytes, Microglia, and Ependyma

Question 9

What does a Schwann Cell do?

Answer 9

Surround axons to create Myalin Sheath

Question 10

What does a satellite cell do?

Answer 10

Surround Cell bodies

Question 11

What does an Astrocyte do?

Answer 11

• maintain a blood brain barrier, create a 3D framework, repair damaged neural tissue, guide neuron development, and control interstitial environment.

Question 12

What does an Oligodendrocyte do?

Answer 12

Makes a myelin sheath

Question 13

What does a mircoglia do?

Answer 13

• migrate through neural tissue, perform phagocytosis or removal of bacteria or other debris.

Question 14

What does an ependyma do?

Answer 14

form the ependyma, which produces and circulates cerebral spinal fluid.

Question 15

What are nerves made of? what is that certain thing made of further?

Answer 15

Axons, C.T.

Question 16

What are the 3 types of C.T. layers?

Answer 16

o epineurium, which surrounds the whole nerve.
o perineurium, which surrounds a bundle of axons.
o endoneurium, which surrounds a single axon

Question 17

What are the parts of the Outer ear?

Answer 17

Auricle, External Auditory meatus, and Tympanic Membrane

Question 18

What does the auricle do?

Answer 18

Protects the ear

Question 19

What does the External auditory meatus do?

Answer 19

The canal that lets sound in, can also grow hairs and has the ceruminous gland that makes ear wax

Question 20

What are the parts of the middle ear?

Answer 20

Tympanic membrane, Eustachian tube, Oval window, Tensor tympanic membrane, stapedius msucle, Auditory ossicles.

Question 21

What’s the function of the eustachian tube?

Answer 21

Equalizes the pressure in the ear

Question 22

What is the function of the oval window?

Answer 22

Vibrates from the stapes

Question 23

What’s the function of the tensor tympanic muscle?

Answer 23

When constricted, reduces vibrations

Question 24

Function of the stapedius muscle?

Answer 24

When constricted, reduces vibrations

Question 25

Function of the auditory ossicles?

Answer 25

Vibrate at the same level as the tympanic membrane to carry vibrations along

Question 26

Parts of the inner ear?

Answer 26

Oval window, semicircular canals, vesitbule, cochlea, round window, boney labyrinth, perilymph, vestibular membrane, endolymph, cochlear ducts, basilar membrane, memberous labyrinth, and hair cells.

Question 27

Function of semicircular canals?

Answer 27

Sense acceleration of the head, linear and rotationally

Question 28

Function of Vestibule?

Answer 28

Senses head position and movement

Question 29

Function of Cochlea

Answer 29

transmits sound to the auditory nerve

Question 30

Function of round window

Answer 30

the end of the cochlea, decompresses energy of vibrations

Question 31

Function of the boney labyrinth?

Answer 31

The outer tube of the tubes, holds perilymph

Question 32

Function of the perilymph

Answer 32

Fluid within the cochlea, carries vibrations

Question 33

Function of the Vestibular membrane?

Answer 33

First layer the vibrations travel through after the perilymph

Question 34

Function of the endolymph?

Answer 34

Fluid within the vestibular membrane, carries vibrations

Question 35

Function of the cochlear ducts?

Answer 35

Stimulated by vibrations

Question 36

Function of the basilar membrane?

Answer 36

Base membrane where the organ of Corti sits

Question 37

Function of the memberous labyrinth?

Answer 37

The inside of the tube inside the tube

Question 38

Function of the hair cells?

Answer 38

when bent, send Action potentials to the nerves

Question 39

What is the vesitbule?

Answer 39

It sense the head position and movement

Question 40

Parts of the vestibule? Function?

Answer 40

Uticle+saccule, Contain hair cells

Question 41

Semicircular Canals names

Answer 41

Posterior, Anterior, Lateral

Question 42

What does the lacrimal Apparatus do?

Answer 42

Makes/distributes tears

Question 43

What does the lacrimal gland do?

Answer 43

Makes tears

Question 44

What does the lacrimal duct do/where is it

Answer 44

Holds and secretes tears, above the eye

Question 45

Where does the lacrimal canaliculi sit? What does it do

Answer 45

Empties the eye, tear duct idea

Question 46

Lacrimal Sac loaction?

Answer 46

Bulge in nasal passageway

Question 47

Location of nasolacrimal duct

Answer 47

End of nasal passageway

Question 48

Nasal cavity?

Answer 48

Actual cavity of the nose

Question 49

What does the superior rectus muscle do?

Answer 49

Makes eye look up

Question 50

What does the inferior rectus muscle do?

Answer 50

Makes eye look down

Question 51

What does the medial rectus muscle do?

Answer 51

Makes eye look inward

Question 52

What does the lateral rectus muscle do?

Answer 52

Makes eye look outward

Question 53

What does the superior oblique muscle do?

Answer 53

Makes the eye look down and out

Question 54

What does the inferior oblique muscle do?

Answer 54

Makes eyes look up and out

Question 55

What are the big parts of the eye

Answer 55

Fibrous tunic, Vascular Tunic, Nervous Tunic, Anterior Cavity, lens, and posterior cavity.

Question 56

What are the parts of the fibrous tunic?

Answer 56

Sclera and Cornea

Question 57

What is the function of the sclera?

Answer 57

Support/Protection/attachment site for muscles

Question 58

Function of cornea?

Answer 58

Course Focusing

Question 59

Parts of the the vascular tunic?

Answer 59

Ciliary body, Ciliary processes, Iris, Pupil

Question 60

Ciliary body function?

Answer 60

Intrinsic eye muscle, regulates shape of the lens

Question 61

Ciliary processes

Answer 61

Makes aqueous humor

Question 62

Iris

Answer 62

Colored part, regulates diameter of pupil.

Question 63

Parts of the Nervous tunic?

Answer 63

Retina, Optic Disc, Rods/Cones

Question 64

What is the optic disc also known as?

Answer 64

blind spot

Question 65

What do rods and cones do?

Answer 65

Rods see black and white, while cones see color. Rods need less light, while cones need more.

Question 66

What is the highest concentration of cones called?

Answer 66

The macula lutea

Question 67

What does the anterior cavity consist of?

Answer 67

Anterior cavity and posterior cavity

Question 68

What determines post and anterior

Answer 68

before or after the iris

Question 69

Visual acuity test measures....

Answer 69

sharpness of vison with chart

Question 70

Astigmatism test measures...

Answer 70

for a defect in the curvature of cornea/lens with the wheel chart

Question 71

Accommodation test measures...

Answer 71

for the change of shape of the lens that occurs when the normal eye is focused doe close vison. Bring something closer to the eye.

Question 72

Color vison test measures for....

Answer 72

colorblindness with colored pictures

Question 73

Blind spot determination tests for....

Answer 73

Shows where the blind spot is with a piece of paper

Question 74

Photopupilary reflex is looking at

Answer 74

the reflex for the iris to constrict with a flashlight

Question 75

Accommodation pupillary reflex is looking at

Answer 75

pupil constriction on close objects with a pencil.

Question 76

Convergence reflex test looks at...

Answer 76

The eyes convergence on focusing on close object with a pencil

Question 77

Depth perception tests looks at...

Answer 77

tests the depth perception of each eye with the arrow tool.

Question 78

Cranial Nerves mnemonic

Answer 78

- On old Olympus’ towering top, a Finn and German viewed some hops.

Question 79

The nerves are then...

Answer 79

o Olfactory, Optic, Oculomotor, Trochlear, trigeminal, Abducens, Facial, Auditory, Glossopharyngeal, vagus, Accessory, Hypoglossal.

Question 80

Functions mnemonic ?

Answer 80

- Some say marry money, but my brother says big breasts matter more.

Question 81

The nerve functions are then...

Answer 81

o Sensory, Sensory, Motor, Motor, Both, Motor, Both, Sensory, Both, Both, Motor, Motor.