Week 5 - Quiz Flashcards
Identify the sense or senses that involve chemoreceptors and water-soluble stimuli.
a. Both gustatory and olfactory sensations satisfy these criteria.
b. Olfactory sensation.
c. Vestibular sensation.
d. Somatosensation (cutaneous receptors).
e. Gustatory sensation.
a. Both gustatory and olfactory sensation satisfy these criteria.
What statement best describes the organization of the organ of corti?
a. The hair cells are on top, the tectorial membrane is in the middle, and the basilar membrane is on bottom.
b. The tectorial membrane is on top, the basilar membrane is in the middle, and hair cells are on bottom.
c. The tectorial membrane is on top, hair cells are in the middle, and the basilar membrane is on bottom.
d. The basilar membrane is on top, hair cells are in the middle, and the tectorial membrane is on bottom.
c. The tectorial membrane is on top, hair cells are in the middle, and the basilar membrane is on bottom.
The helicotrema is found where in the ear?
a. Helicotrema is region of the middle ear containing the auditory ossicles.
b. Helicotrema is where the cupula of the vestibular apparatus is located.
c. Helicotrema is the region where the utricle and saccule are located.
d. Helicotrema separates the scala vestibuli (upper region within the cochlea) from the scala tympani (the lower region of the
cochlea).
d. Helicotrema separates the scala vestibuli (upper region within the cochlea) from the scala tympani (the lower region of the
cochlea).
The stereocilia of the organ of corti that facilitate perception of sound are associated with what type of receptor?
a. Mechanically gated channels.
b. Chemically gated channels.
c. Voltage gated channels.
a. Mechanically gated channels.
A low pitch sound occurs. Where does the sound stimulate the basilar membrane?
a. The proximal portion of the membrane.
b. The distal portion of the membrane.
c. The middle portion of the membrane.
b. The distal portion of the membrane.
What is the correct order of auditory ossicles from most lateral to medial?
a. Malleus, stapes, incus.
b. Malleus, incus, stapes.
c. Incus, malleus, stapes.
d. Stapes, incus, malleus.
e. Incus, stapes, malleus.
b. Malleus, incus, stapes
What is a name for the tube that connects the middle ear and throat that allows equalizing pressure but also can allow bacteria to move
between these regions?
a. All listed options have been used to describe this structure.
b. Eustachian tube.
c. Pharyngotympanic tube.
d. Auditory tube.
a. All listed options have been used to describe this structure.
Which window found between the middle and inner ear is more superior?
a. Round.
b. Oval.
b. Oval.
The middle ear (auditory ossicles specifically) facilitates what degree of amplification of auditory stimuli?
a. 20 times amplification.
b. 35 times amplification.
c. 100 times amplification.
d. 2 times amplification.
e. 50 times amplification.
a. 20 times amplification.
Which of the following options is associated with poor pain localization?
a. The surface region of the body has poor pain localization.
b. The visceral region of the body has poor pain localization.
c. Both the surface and visceral regions of the body have poor pain localization.
d. Neither surface nor visceral regions of the body have poor pain localization.
b. The visceral region of the body has poor pain localization.
What type of sound is associated with a high frequency of sound waves?
a. Quiet sounds.
b. Loud sounds.
c. Sounds with a low pitch.
d. Sounds with a high pitch.
d. Sounds with a high pitch.
Identify the type of cutaneous receptor that is involved in sensing heavy pressure.
a. Meissner’s (tactile) corpuscles.
b. Pacinian (lamellated) corpuscles.
c. Ruffini’s corpuscles.
b. Pacinian (lamellated) corpuscles.
Identify the INCORRECT statement regarding the utricle and saccule.
a. The utricle and saccule aid in sensation of linear motion and gravity.
b. The utricle and saccule include calcium carbonate (CaCO3) crystals known as the otoliths.
c. All listed options are correct regarding the utricle and saccule.
d. The utricle and saccule contain a gelatinous matrix.
e. The utricle and saccule are in the semicircular canals.
e. The utricle and saccule are in the semicircular canals.
Identify the CORRECT statement regarding the semicircular canal.
a. The semicircular canals do not involve a gelatinous mass like the utricle and saccule do.
b. The semicircular canals are found inside the cochlear duct.
c. The semicircular canals respond to rotational motion of the head.
d. The semicircular canals are filled with air.
e. All listed options are correct regarding the semicircular canals.
c. The semicircular canals respond to rotational motion of the head.
Which auditory ossicle has a footplate like structure pressed against the oval window allowing sound waves to be conducted into the inner
ear region?
a. Malleus.
b. Incus.
c. Stapes.
c. Stapes.
