Hole's Essentials of Human Anatomy & Physiology, 12th Edition (Shier)

Chapter 10: The Senses

Post-Test Questions

1
The most sensitive part of a taste bud is the
A)taste cell
B)taste pore
C)taste hair
D)taste cell membrane
2
Saliva enhances the taste of food by
A)increasing the sensitivity of taste receptors
B)dissolving the chemicals that cause taste so they can be tasted
C)releasing taste factors by partially digesting food
D)capturing and dissolving the gases of odors of food
3
Which of the following would produce the taste sensation of umami?
A)sugar
B)pretzels
C)a lemon
D)monosodium glutamate (MSG)
4
The function of the small bones of the middle ear (the auditory ossicles) is to
A)provide a framework for the tympanic membrane
B)protect the structures of the inner ear
C)support the structure of the tympanic cavity
D)relay and amplify the vibrations and transmit them to the inner ear
5
The ossicle that fits against the oval window is the
A)stapes
B)malleus
C)incus
D)incubus
6
Hearing receptor cells are located in the
A)Spiral organ (organ of Corti)
B)scala vestibuli
C)scala tympani
D)round window
7
Bending your head to look at the floor will stimulate receptors in the
A)ampulla
B)cupula
C)semicircular canals
D)maculae
8
The structure that detects motion of the head is the
A)macula
B)semicircular canal
C)vestibule
D)utricle
9
The sensory organ of the semicircular canals is the
A)crista ampullaris
B)macula
C)endolymph
D)cerebellum
10
The muscle that raises the eyelid is the
A)orbicularis oculi
B)superior rectus
C)levator palpebrae superioris
D)ciliary muscle
11
The superior rectus muscle causes the eye to rotate
A)upward and toward the midline
B)downward and toward the midline
C)upward and away from the midline
D)downward and away from the midline
12
Which of the following is in the correct order?
A)lacrimal gland, superior and inferior canaliculi, lacrimal sac, nasolacrimal duct
B)superior and inferior canaliculi, lacrimal sac, nasolacrimal duct, lacrimal gland
C)lacrimal sac, superior and inferior canaliculi, lacrimal gland, nasolacrimal duct
D)lacrimal gland, nasolacrimal duct, lacrimal sac, superior and inferior canaliculi
13
The transparency of the cornea is due to
A)the nature of the cytoplasm in the cells of the cornea
B)the small number of cells and the lack of blood vessels
C)a lack of nuclei within the cells of the cornea
D)keratinization of cells in the cornea
14
The shape of the lens changing as the eye focuses on a close object is a process known as
A)accommodation
B)refraction
C)reflection
D)strabismus
15
The region of the retina associated with the sharpest vision is the
A)ciliary body
B)fovea centralis
C)optic disk
D)choroid coat
16
The maintenance of the shape of the eyeball is enabled by the
A)sclera
B)middle layer
C)cornea
D)vitreous humor
17
Which of the following sets of terms is not paired correctly?
A)colorless vision - rods
B)fovea centralis - cones
C)cones - rhodopsin
D)sharp images - cones
18
Projection is the process that allows us to determine where a stimulus has occurred.
A)True
B)False
19
There are separate receptors for heat and cold.
A)True
B)False
20
The brain is richly supplied with pain receptors.
A)True
B)False
21
Pain arising in the heart may be felt in the left shoulder because the impulses from the skin and viscera may share common neural pathways.
A)True
B)False
22
Serotonin participates in the suppression of pain impulses by stimulating the release of enkephalins.
A)True
B)False
23
The cilia of olfactory receptor cells detect the gases that give rise to odors.
A)True
B)False
24
The structures of the ear are responsible for the sense of balance or equilibrium, as well as the sense of hearing.
A)True
B)False
25
Axons in the right optic tract carry all of their visual information from the right eye to the occipital lobe.
A)True
B)False
26
Vibration of the auditory ossicles produces movement of air within the inner ear.
A)True
B)False
27
Sounds of different frequencies are detected because the basilar membrane under the hearing receptors (hair cells) are sensitive to deformation by different sound frequencies.
A)True
B)False
28
Hearing receptor cells are epithelial cells, but function like neurons in that they are polarized and release neurotransmitters.
A)True
B)False
29
Hearing impulses are transmitted along the vestibular branch of the vestibulocochlear nerve to the auditory cortex of the temporal lobe.
A)True
B)False
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