Chapter 16 hwk questions
Which are true of rods
- There are more than 100 million rod cells per eye - They function well in dim light
Which are basic taste sensations
-Sour -Sweet -Umami
Which are the correct names for the tube that connects the middle ear to the nasopharynx
-eustachian tube -pharyngotympanic tube -auditory tube
Cochlea has three fluid-filled ducts. Which are the names of these ducts
-scala tympani -cochlear duct -scala vestibull
Using the image of the eye, match the letter and structure.
A - Eyelashes B - Lacrimal caruncle C - Medial palpebral commissure D - Eyeball
What type of photoreceptor cell detects color?
Cones
What is the letter A in the picture of the eye
Cornea
What type of fluid is found in region A of the inner ear
Endolymph
Match the special sense with its anatomical name.
Gustation - Taste Olfaction - Smell Vision - Sight Equilibrium - Balance Audition - Hearing
What type of receptors detects deep pressure and vibration
Lamellated corpuscles
The optic disc contains _____ photoreceptors
No
Name the nerve shown labeled A in the picture of the posterior eye
Optic nerve
olfactory receptors _____
Perceive odors.
What type of receptor monitors changes in body position
Proprioception
The types of the receptors that include only the somatic sensory receptors within joints, muscles, and tendons are called
Proprioceptors
The sclera ______
Provides for eye shape Is made of dense connective tissue
The area that a receptor cells gathers information from is called the _____
Receptive field
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
Which are true of the olfactory hairs
They are unmyelinated, they are immobile
Which taste sensation translates as "delicious flavor" and is perceived as a meaty flavor
Umami
hearing and equilibrium are transmitted along which cranial nerve
VIII
What chamber is between the iris and cornea
anterior chamber
What type of fluid is found in the anterior cavity of the eyeball
aqueous humor
Sound waves are funneled into the ear by the
auricle
Which type of receptor detects pressure changes
baroreceptor
Olfactory receptor cells are ___ neurons
bipolar
Somatic receptors are found within
body wall
Gustatory cells are found in taste ____
buds
Letter A is the olfactory
bulb
Receptors in blood vessels that monitor the concentration of carbon dioxide in our blood are called
chemoreceptors
Receptors that detect chemicals are called
chemoreceptors
The iris is continuous with the
ciliary body
The auditory tube is normally
closed
The sphincter pupillae ____ the pupil
constricts
Which are a part of the fibrous tunic?
cornea and sclera
The optic disc is associated with
cranial nerve II
The receptors for the special senses are found within the
cranium
Light rays are refracted or bent when they pass through two media of different ______.
densities
Which is an accessory structure of the eye
eyebrow
The external layer of the eyeball is the ____ tunic
fibrous
The lens is ______ when we are viewing faraway objects.
flattened
What disease causes fluid build up in the eye, dislocating the lens
glaucoma
Which may result in symptoms such as reduced field of vision, dim vision, and/ or halos around lights
glaucoma
The vestibulocochlear nerve transmits _____ information
hearing and equilibrium
What structure is the dividing line between the anterior and posterior chambers
iris
Pacinian corpuscles are also called
lamellated corpuscles
The nasolacrimal duct is found on the ____ side of the nose
lateral
Accommodation is the process of making the lens
more spherical
Where are photoreceptors located?
neural layer of the retina
The sense of smell is called
olfaction
What structure is the letter A in the picture of the internal eye
ora serrata
The sphincter pupillae is controlled by the _____ division of the nervous system
parasympathetic
accommodation is controlled by the ______ division of the nervous system
parasympathetic
If stimulated over a period of time, ______ receptors lose eventually sensitivity.
phasic
What type of receptor can undergo adaptation
phasic
Aqueous humor is secreted into the ______ chamber before traveling to the _____ chamber of the eye
posterior-anterior
As tears drain, through the lacrimal caruncle, they enter small holes called the lacrimal _________
puncta
The iris controls the size of the
pupil
The apparent distortion of the spoon in the water glass is due to the phenomenon called
refraction
The lens is _______ when we are viewing close up objects
round
Which part of the eye is an attachment site for extrinsic eye muscles
sclera
Localization and sensitivity are easily determined in a ______ receptive field.
small
We use the sense of ____ to sample our environment for information about the food we will eat, the presence of other individuals in the room, or potential danger.
smell
Taste buds are found on the tongue and
soft palate
Which auditory ossicle contacts the oval window
stapes
Tactile cells associated with tactile discs are located in
stratum basale
A flattened dendritic disc is a type of unencapsulated receptor called a ______.
tactile disc
Tactile cells are associated with
tactile discs
Gustation is the sense of
to taste
Which layer of the eye contains the blood and lymph vessels
vascular tunic
Stretch receptors in the stomach would be classified as what type
visceral sensory
In the eye, the ________ humor is gelatinous
vitreous
The posterior cavity contains the ____ humor
vitreous
Order these structures from superficial to deep. Start with the outermost structure first
1) Sclera 2) Choroid 3) Pigmented layer of retina 4) Neural layer of retina
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
Each eye has ___ lacrimal puncta
2
The parasympatehic nervous system controls
A
Using the image of neural layers of the eye, match the letter with the eye structure
A- choroid B- retina C- ganglion cells D- photoreceptors cells
Match the terms related to vision with their definitions
A- emmetropia B- hyperopia C- myopia
Using the image of vision disorders, match the letter with the correct term
A- emmetropia B- hypertropia C- myopia
Match the letter with the type of receptor shown in the image
A- free nerve ending B- root hair plexus C- tactile disc
Match the letter with the structure in the image of a taste bud
A- gustatory microvillus B- taste pore C- gustatory cell D- sensory nerve
Match the letter to the correct structures in this Sagittal view of the eye
A- levator palpebrae superioris B- Orbicularis oculi C- ocular conjunctiva D- tarsal plate E- cornea
Match the letter with the structure in the picture of the internal view of the eye. B is in the center of A
A- macula lutea B- fovea centralis C- optic disc
Using the given picture of the middle ear, match the letter with the structure
A- malleus B- incus C- stapes
Match the letter and the structure in the picture of the olfactory epithelium
A- olfactory tract B- cribriform plate C- basal cell D- olfactory receptor cell
Match the letter with the eye structure
A- optic disc B- optic nerve C- retina D- fovea centralis
Match the letter with the structure in the picture of the internal eye
A- sclera B- ciliary muscle C- retina
Using the picture showing iris control, match the letter with the appropriate description
A- sphincter pupillae contraction B- dilator pupillae contraction
Using the image of the middle ear, match the letter with the structure
A- stapedius B- tensor tympani C- round window
Match the letter with the region of the eye
A: fibrous tunic B: vascular tunic C: retina
What region of the eye contains the ciliary body
B
Which structure contains the highest concentration of cones? Structure B is in the center of structure A
B
Which type of receptor detects color
B
In the picture of a taste bud, the letter A is the
Basal cell
What structure is the "white" of the eye
Sclera
Tactile cells associated with tactile discs are located in the _____
Stratum basale
What is the name of structure A in the picture of the spinal organ
Tectorial membrane
