Multiple Choice Questions

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