Histology Of Specual Senses

Question 1

sensation is formed based on the——

Answer 1

Sensory input

Question 2

SENSATION are feelings that occur when your Brain——- the——

-at the same time the sensation is being formed, the brain uses—- to send sensations back to the—— so that we can——-

Answer 2

interpretes

sensory inputs

projection

origin

pinpoint the area of stimulation

Question 3

SENSORY ADAPTATION

• at this point, sensory impulses are sent at ——-rates until the receptors—— to send impulses
• unless there is a———

Answer 3

decreasing

fail

change in strength of stimulus

Question 4

INNER EAR

• bending of hair cells lead to influx of———
• and this causes the release of an NT from vesicles which stimulate the ends of nearby sensory neurons

Answer 4

calcium ions

Question 5

Auditory Pathway

• cell bodies of the first order neuron are——- and in—— ganglion(—-ganglion)
• the first order neuron passes the—— angle—— reaching the cochlear nucleus
• cochlear portion of CN 8 is—— and —— to the vestibular portion of CN8

Answer 5

bipolar; spiral; cochlear

cerebellopontine

before

anterior; inferior

Question 6

cerebellopontine angle is where——-,———, and—— meet

——— and ——- nerve passes the angle

Answer 6

cerebellum

medulla oblongata

pons

facial and vestibulocochlear

Question 7

cochlear nucleus——- but doesn’t——- information received from auditory nerve

Answer 7

preserves

enhance

Question 8

TRAPEZOID BODY

• first—— in auditory pathway
• at the level of——
• highway of axons
• beginning of——-

Answer 8

decussation

pons

bilateral representation

Question 9

Superior olivary nucleus

-plays a role in——- reflex

Answer 9

acoustic

Question 10

Brodmann areas—- and—- are parts of the primary auditory cortex. (Aka ——)

Answer 10

41 and 42

Transverse gyrus of heschi

Question 11

Visual Association Area is area——

Answer 11

18

Question 12

Brodmann area 22 include producing____, semantic processing, and processing of——-

Answer 12

complex sounds.

sentences

Question 13

STATIC EQUILIBRIUM

-hair cells contact gelatinous material called——-
——-causes the gelatin and—— to—-, thereby—— the hair cells and generating a nerve impulse

Answer 13

otoliths

gravity

otoliths

shift

bending

Question 14

DYNAMIC EQUILIBRIUM
-hair cells extend into a—- shaped gelatinous substance called——
———turning of head of body generates impulses as the—— and—— bend
-mechanoreceptors called——- associated with joints and changes detected by the—— also helps with equilibrium

Answer 14

dome; cupula

rapid ;cupula; hair cells

proprioception

eyes

Question 15

SENSE ORGAN

• main organ is the——
• accessory organs include,——-,——,———

Answer 15

eyeball

the lacrimal apparatus

eyelids

extrinsic muscles

Question 16

eyelids:
protects eye from——-
made up of——- skin of body
lined with——-

Answer 16

foreign objects

thinnest

conjunctiva

Question 17

the lacrimal apparatus:
produce——
——and—- the eye
——-drain tears into the——-
tears contain———- enzyme

Answer 17

tears

lubricate

cleanse

2 small ducts; nasal cavity

antibacterial

Question 18

STRUCTURE OF THE EYE
-sclera is——;cornea is——
-choroid coat is—— ,——- and does 2 things which are to—— and to——
——-humour goes from post chamber to anterior through the——
-macula centralis or macula—-
-the 2 humors also—- light but—-

Answer 18

white; transparent

vascular; darkly pigmented

Nourish the other structures in the eye

keep the inside of the eye dark

aqueous; pupil

lutea

refract; not by much

Question 19

Which are elongated and which are blunt shaped between rods and cones

Answer 19

rods are elongated and cones are blunt shaped

Question 20

retina can be seen through a———

Answer 20

funduscopy

Question 21

photoreceptors use Gprotein called——-

Answer 21

transducin

Question 22

Which is more sensitive. Rods or cones

Answer 22

rods are more sensitive than cones

Question 23

if all cones are stimulated, the color is——-; if none are stimulated, the color is——

Answer 23

white

black