Chapter 16: Homework

the cochlea has three fluid ducts. which are the names of these ducts

-scala vestibuli, scala tympani, cochlear ducts

three regions of the ear in order from lateral to medial

1. External ear 2. Middle ear 3. Inner Ear

place the layers of the eye in order from superficial to deep

1. Fibrous tunic 2. Vascular tunic 3. retina

order these structures from superficial to deep

1. Scelera 2. Choroid 3. Pigmented layer of retina 4. Neural layer of retina

place the structure of the eye in order from superficial to deep

1. choroid 2. photoreceptors 3. horizontal cells 4. bipolar cells

order these structures in the order that tears travel through them

1. lacrimal puncta 2. Lacrimal canaliculus 3.Lacrimal sac 4. Nasolacrimal duct

place the structures of the vascular tunic in order from anterior to posterior

1.Iris 2. Ciliary body 3. Choroid

through which cranial nerves does gustatory information travel

CN IX, CN VII

match the modality of stimulus with its function

Thermoceptors: detect temperature Photoreceptors: Detect light Baroceptors: detect pressure change Nociceptors: detect tissue damage chemoreceptors: detect chemicals

hair cells in the spiral organ are distorted, initiating nerve signal in cranial nerve

VIII

Once olfactory receptors are stimulated, which of the different regions of the brain are stimulated

amygdala, hypothalamus, cerebral cortex

what type of fluid is found in the anterior cavity

aqueous humor

the lamina propria is made of ___ tissue

areolar

the most visible part of the external ear is called the ___ or the ___

auricle or pinna

which are true of the cornea

avascular, transparent

gustatory cells are found in taste _____

buds

what eye disorder causes "milky" vision

cataracts

otitis media is more common in:

children

which structure is filled with pigment from melanocytes

choroid

Pink eye is also called:

conjunctivitis

the sphincter pupillae _____ the pupil

constricts

where are mechanoreceptors found

ear, skin

which of the following would stimulate somatic nociceptors

exposure to acid on the skin, touching a hot pan, sprained ankle

which type of receptor is found in the mucous membrane

exteroceptors

the primary function of the ____ is to prevent large objects from contacting the eye

eyelashes

types of papillae

foliate, filiform, fungiform, and vallate

what disease causes fluid build up in the eye, dislocating the lens

glaucoma

match the special sense with its anatomical name

gustation: tatse olfaction: smell vision: sight equilibrium: balance audition: hearing

in a taste bud the basal cells replace the _____ cells

gustatory

functions of inner ear

hearing and balance

endolymph has a _____ potassium concentration

high

where is cochlea located

inner ear

what type of receptors detect deep pressure and vibration

lamellated corpuscles

the stimulating agent is also called the ____ of a stimulus

modality

accommodation is the process of making lens:

more spherical

what type of receptor can undergo adaptation

phasic

an aging person would need to start wear reading glasses if they suffer from:

presbyopia

what structure is the "white" of the eye

sclera

what structure makes up the posterior 5/6 of the fibrous tunic

sclera

olfaction is the sense of:

smell

a feature common to all receptors is

the ability to respond to a stimulus

what color is the macula lutea

yellow

place the auditory ossicles in the order that they occur from lateral to medial

1.Malleus 2. Incus 3. Stapes

rods are essentially nonfuncional in bright light because

in light, rhodopsin will bleach as fast as it is reformed

specific types of receptors called _______ detect stimuli in the internal organs

interoceptors

what structure is the dividing line between the anterior and posterior chambers

iris

the sclera

is made of dense connective tissue, provides for eye shape

which are true of the conjunctiva

it contains goblet cells, it does not cover the cornea, and it is vascular

where are proprioceptors found

joints

examples of encapsulated receptors

krause bulbs, end bulbs

a detached retina is caused by a separation between which two layers

neural layer of the retina, and pigmented layer of the retina

a lack of photoreceptors in this structure creates the "blind spot"

optic disc

where are end bulbs located

oral and nasal cavities

which of the following structures contain exteroceptors

oral cavity , skin

the utricle and saccule contain small crystals. What are these crystals called

otoliths

eyelids are also called

palpebrae

the portion of the conjunctiva on the inside of the eyelid is called the:

palpebral conjunctiva

free nerve endings are usually found in the:

papillary layer of the dermis

___________ include only the somatic sensory receptors within joints, muscles and tendons

proprioceptors

the ____ , the black hole in the eye, is surrounded by the colorful _____

pupil, iris

chemoreceptors

receptors that detect chemicals

the ora serrata extends anteriorly from the:

retina

what is the function of the auditory ossicles

transmit sounds waves to inner ear, and amplify sound

all pain receptors are tonic receptors

true

macular degeneration is the leading cause of blindness in developed countrues

true

which taste sensation translates as "delicous flavor" and is perceived as a meaty flavor?

umami

olfactory hairs

unmyelinated and immobile

______ occurs when impulses from an organ are perceived as originating from the skin

referred pain

some individuals experience pain in their shoulder during a heart attack. This is an example of:

referred pain

the dissociation of ______ into its two components is called the bleaching reaction

rhodospin

which events occur during bright light adaptation

rods become inactive

the lens is _____ when we are viewing close up objects

round

receptors for general senses are usually

simple in structure

localization and sensitivity are easily determined in a _____ receptive field

small

ciliary muscles are made of:

smooth muscle

which of the following are cells found in the olfactory epithelium

supporting cells, olfactory cells, and basal cells

what the most numerous type of receptor

tactile

what type of phasic receptors detect light touch, shapes, textures

tactile corpuscles

somatic receptors are found within

the body wall

we have the ability to distinguish one odor among ____ of different ones

thousands

hearing and our sense of balance comes from the stimulation of which cranial nerve

vestibulocochlear

in the eye, the ____ humor is gelatinous

vitreous