What is the portion of the eye that allows light to pass into the posterior chamber?
0%
apex
0%
True
0%
iris
0%
False
Q.3.
As the ciliary muscle relaxes, the suspensory ligaments tighten and stretch the lens, allowing for distance vision.
0%
iris
0%
apex
0%
True
0%
False
Q.4.
Damage to the medial portion of the optic chiasm, cause by a pituitary tumor, would lead to __________.
0%
interstitial fluid
0%
maculae/static equilibrium
0%
All of the listed responses are correct.
0%
loss of peripheral vision
Q.5.
Which structure is NOT matched with its function?
0%
ciliary body: focus the pupil
0%
tarsal glands: produce tears
0%
optic disc
0%
the choroid
Q.6.
Which middle ear ossicle is attached to, and transmits vibratory motion to, the oval window?
0%
stapes
0%
apex
0%
False
0%
hair cells
Q.7.
Which portion of the ear is responsible for sound transduction?
0%
the cochlea
0%
suprachiasmatic nucleus
0%
the brain stem
0%
the cochlear hair cells
Q.8.
Which part of the visual pathway is responsible for our daily biorhythms?
0%
the choroid
0%
maculae/static equilibrium
0%
hair cells
0%
suprachiasmatic nucleus
Q.9.
In glaucoma, damage occurs primarily to the ______.
0%
ganglion cells in the retina
0%
loss of peripheral vision
0%
nyctalopia: night blindness
0%
All of the listed responses are correct.
Q.10.
In a 30 year old man who has red-green color blindness, light having a wavelength of 530 nm is perceived as being green. This man ______.
0%
The lens focuses light on the retina.
0%
The receptors for dynamic equilibrium respond to rotational forces.
0%
maculae/static equilibrium
0%
perceives that red light has a green color
Q.11.
This image best illustrates an eyeball that is __________.
0%
olfactory tracts
0%
convergence
0%
emmetropic
0%
ampulla
Q.12.
Name the structure represented by (1).
0%
malleus, incus, stapes
0%
olfactory tracts
0%
to replace gustatory cells that are damaged
0%
tympanic membrane
Q.13.
Information from balance (equilibrium) receptors is processed in __________.
0%
The receptors for dynamic equilibrium respond to rotational forces.
0%
False
0%
apex
0%
the brain stem
Q.14.
Which of the following is a characteristic of the lens?
0%
It is made of simple squamous epithelium.
0%
The tastant must contact the basal epithelial cells of the taste buds.
0%
having a non-functional vestibular apparatus
0%
The lens focuses light on the retina.
Q.15.
During otitis media, large amounts of fluid or pus may accumulate in the tympanic cavity; the fluid is primarily ______.
0%
interstitial fluid
0%
loss of peripheral vision
0%
maculae/static equilibrium
0%
having a non-functional vestibular apparatus
Q.16.
Which of the following is NOT a requirement for something to be tasted?
0%
The tastant must contact the basal epithelial cells of the taste buds.
0%
The lens focuses light on the retina.
0%
The receptors for dynamic equilibrium respond to rotational forces.
0%
Nyctalopia affects vision in the fovea centralis, resulting in impaired vision.
Q.17.
Which accessory eye structure is NOT correctly matched with its function?
0%
The lens focuses light on the retina.
0%
tarsal glands: produce tears
0%
The receptors for dynamic equilibrium respond to rotational forces.
0%
suprachiasmatic nucleus
Q.18.
Transduction of lower frequency sound waves occurs at the __________ of the cochlea.
0%
apex
0%
three
0%
the cochlea
0%
False
Q.19.
Where are equilibrium receptors located?
0%
It is made of simple squamous epithelium.
0%
Odorants dissolve in the mucus and bind to receptors.
0%
the superior olivary nucleus
0%
in the semicircular canals and in the vestibule of the ear
Q.20.
Name the muscle at D.
0%
convergence
0%
inferior rectus
0%
ampulla
0%
malleus, incus, stapes
Q.21.
At rest, when no sound is entering the cochlea, the hair cells send no signal.
0%
True
0%
umami
0%
False
0%
iris
Q.22.
What type of channel is responsible for the initial changes in the membrane potential of the hair cells, which ultimately determines the cochlear nerve response to sound?
0%
head position in space
0%
the cochlea
0%
mechanically gated
0%
suprachiasmatic nucleus
Q.23.
Atropine eye drops are used to temporarily paralyze the accommodation reflex and as a long-lasting pupil dilating agent, or mydriatic. What action causes the dilation effect?
0%
The lens focuses light on the retina.
0%
The receptors for dynamic equilibrium respond to rotational forces.
0%
loss of peripheral vision
0%
blocked contraction of sphincter pupillae muscle
Q.24.
Name the types of papillae that contain taste buds.
0%
They conduct sound waves and amplify the vibrations within the middle ear.
0%
to replace gustatory cells that are damaged
0%
ampulla
0%
fungiform, foliate, and vallate
Q.25.
Which of these is NOT found in the olfactory epithelium?
0%
convergence
0%
olfactory tracts
0%
fibrous
0%
C
Q.26.
Which of the following is the basic taste quality responsible for the amino acid flavor of steak?
0%
iris
0%
umami
0%
False
0%
maculae/static equilibrium
Q.27.
Most taste buds are located __________.
0%
Contraction of the ciliary muscles is required for hyperopic individuals to clearly see distant objects.
0%
The lens focuses light on the retina.
0%
It is made of simple squamous epithelium.
0%
on the top surface of the fungiform papillae
Q.28.
As light hits the retina, the first structure the light encounters is a rod or a cone.
0%
umami
0%
False
0%
three
0%
apex
Q.29.
What structure helps us localize sound?
0%
optic disc
0%
on the top surface of the fungiform papillae
0%
ciliary body: focus the pupil
0%
the superior olivary nucleus
Q.30.
How are the olfactory receptors activated?
0%
head position in space
0%
Contraction of the ciliary muscles is required for hyperopic individuals to clearly see distant objects.
0%
The lens focuses light on the retina.
0%
Odorants dissolve in the mucus and bind to receptors.
Q.31.
In theory, cataracts could be prevented by invention of a treatment that would ______.
0%
The lens focuses light on the retina.
0%
The tastant must contact the basal epithelial cells of the taste buds.
0%
It is made of simple squamous epithelium.
0%
increase diffusion rates within the lenses
Q.32.
Which layer of the eye is indicated by letter A?
0%
A and B
0%
fibrous
0%
emmetropic
0%
C
Q.33.
What term refers to the eye's moving medially to track items close at hand?
0%
contract the ciliary body
0%
convergence
0%
malleus, incus, stapes
0%
fibrous
Q.34.
Identify the type of neuron that would be secreting neurotransmitter in the light.
0%
ampulla
0%
A and B
0%
A
0%
C
Q.35.
Aqueous humor forms during capillary filtration in the __________?
0%
ciliary body: focus the pupil
0%
the choroid
0%
ciliary body
0%
hair cells
Q.36.
Identify the function of (2) in this image.
0%
C
0%
They conduct sound waves and amplify the vibrations within the middle ear.
0%
A
0%
B
Q.37.
What is the purpose of the cell at letter B?
0%
malleus, incus, stapes
0%
They conduct sound waves and amplify the vibrations within the middle ear.
0%
to replace gustatory cells that are damaged
0%
fungiform, foliate, and vallate
Q.38.
Which of the following are the receptors for static equilibrium?
0%
The lens focuses light on the retina.
0%
The receptors for dynamic equilibrium respond to rotational forces.
0%
optic disc
0%
hair cells
Q.39.
The semicircular canals are adapted to detect static equilibrium.
0%
hair cells
0%
False
0%
rods
0%
stapes
Q.40.
Which of the following is true of receptors for dynamic equilibrium?
0%
The tastant must contact the basal epithelial cells of the taste buds.
0%
Nyctalopia affects vision in the fovea centralis, resulting in impaired vision.
0%
The receptors for dynamic equilibrium respond to rotational forces.
0%
having a non-functional vestibular apparatus
Q.41.
If the optic chiasma is destroyed but the rest of the visual pathway to the brain is not damaged, the result would be ______.
0%
loss of peripheral vision on both the far right and far left sides of the visual field
0%
right eye: inferior oblique left eye: superior rectus
0%
loss of peripheral vision
0%
The receptors for dynamic equilibrium respond to rotational forces.
Q.42.
Which of the following correctly matches the equilibrium receptor organs to the type of equilibrium it monitors?
0%
umami
0%
maculae/static equilibrium
0%
The lens focuses light on the retina.
0%
suprachiasmatic nucleus
Q.43.
Height of a wave is called the __________.
0%
head position in space
0%
amplitude
0%
optic disc
0%
Nyctalopia affects vision in the fovea centralis, resulting in impaired vision.
Q.44.
Choose the correctly paired terms.
0%
tarsal glands: produce tears
0%
nyctalopia: night blindness
0%
head position in space
0%
ciliary body: focus the pupil
Q.45.
Which structure provides the vascular support for the eye?
0%
the superior olivary nucleus
0%
optic disc
0%
ciliary body: focus the pupil
0%
the choroid
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