Chp 15 Quiz Questions

Receptors for hearing are located in the ________. A. cochlea B. semicircular canals C. tympanic membrane D. vestibule

Olfactory cells cannot be replaced once damaged. t/f

Which of the following could not be seen as one looks into the eye with an ophthalmoscope? A. macula lutea B. optic chiasma C. fovea centralis D. optic disc

Which of the following taste sensations is incorrectly matched to the chemicals that produce it? A. sweetâ€"organic substances such as sugar and some lead salts B. sourâ€"acids C. saltyâ€"metal ions D. bitterâ€"alkaloids E. umamiâ€"triglycerides and fatty acids

When we move from darkness to bright light, retinal sensitivity is lost, but visual acuity is gained. t/f

In which region of the ear are the vibrations of the tympanic membrane amplified?

The function of the pharyngotympanic (Eustachian) tube is to: A. transmit sound from the middle ear to the inner ear B. transmit sound from the external ear to the middle ear C. allow drainage of excess perilymph from the inner ear D. equalize pressure between the middle ear and outside environment

Which other special sense contributes to our sense of taste?

Which structures in the eye are responsible for refracting (bending) light?

Another name for the primary visual cortex is ________. A. striate cortex B. prestriate cortex C. prefrontal cortex D. collicular cortex

What prevents the eyelids from sticking together when the eyes close? A. lacrimal fluid B. ciliary gland secretions C. tarsal gland secretions D. conjunctival fluid

Which statement about sound localization is not true? A. It requires processing at the cortical level. B. It requires input from both ears. C. It uses time differences between sound reaching the two ears. D. It is difficult to discriminate sound sources in the midline.

Visual processing in the thalamus does not contribute significantly to ________. A. depth perception B. high-acuity vision C. night vision D. movement perception

Which choice lists the structures of the ear in the correct order in which they intercept sound waves? A. external acoustic meatus, tympanic membrane, auditory ossicles, oval window, scala vestibuli, scala tympani, pinna B. pinna, external acoustic meatus, tympanic membrane, auditory ossicles, oval window, scala vestibuli, scala tympani C. pinna, external acoustic meatus, tympanic membrane, auditory ossicles, scala vestibuli, scala tympani, oval window D. pinna, external acoustic meatus, tympanic membrane, auditory ossicles, oval window, scala tympani, scala vestibuli,

Which of the follow types of neurons are replaced throughout adult life? A. olfactory receptor cells B. retinal bipolar cells C. retinal ganglion cells D. auditory outer and inner hair cells

Light passes through the following structures in which order? A. vitreous humor, lens, aqueous humor, cornea B. cornea, aqueous humor, lens, vitreous humor C. cornea, vitreous humor, lens, aqueous humor D. aqueous humor, cornea, lens, vitreous humo

Which pairing of terms is incorrectly related? A. frequency of sound waves: loudness of the sound B. quality of a sound : frequency of the sound C. amplitude of a sound: intensity of the sound D. frequency of sound waves: number of wavelengths

The anterior segment of the eye is filled with _______ humor. Correct

Color blindness is most common in:

Taste is solely a response to chemicals dissolved in ________. Correct

In the visual pathways to the brain, the optic radiations project to the ________. A. medial retina B. lateral geniculate body C. primary visual cortex D. optic chiasma

Conscious perception of vision probably reflects activity in the ________. A. thalamus B. occipital lobe of the cortex C. chiasma D. superior colliculus

Which of the following is not a possible cause of conduction deafness? A. impacted cerumen B. middle ear infection C. cochlear nerve degeneration D. otosclerosis

Which structure of the eye is part of the fibrous tunic? A. Sclera B. Retina C. Vitreous Humor D. Choroid E. Cilliary Body

High frequency sounds are detected when the basilar membrane is displaced near the____. A. apex B. base C. midline D. none of the above

Which of the following special senses use a 2 or 3 cell system (separate receptor cell(s) and sensory neuron. for stimulus detection? A. Vision B. Taste C. Olfaction D. A & B E. A & C

The pharygotympanic tube is located in the: A. middle ear B. inner ear C. external ear D. cochlea

The portion of the ear that monitors equilibrium and balance is the: A. ossicles of the inner ear B. tympanic membrane C. oval window D. vestibular apparatus E. cochlea

Which of the follow types of neurons are replaced throughout adult life? A. olfactory receptor cells B. retinal bipolar cells C. retinal ganglion cells D. auditory outer and inner hair cells

The ear is divided into three basic regions, outer, middle, and inner. Transduction occurs in the__________. A. inner ear, in the cochlea B. middle ear, at the tympanic membrane C. outer ear, at the oval window D. in the semicircular canal E. utricles and saccule outpocketing

Which of the following structures is not part of the external ear? A. pinna B. external acoustic meatus C. tympanic membrane D. pharyngotympanic tube

The receptor for static equilibrium is the ________. A. semicircular canals B. macula C. utricle D. cochlear duct

Which is NOT one of the five primary tastes? A. salty B. sour C. spicy D. bitter E. umami F. sweet

In the visual pathways to the brain, the optic radiations project to the ________. A. medial retina B. lateral geniculate body C. primary visual cortex D. optic chiasma

What division of the cerebrum is responsible for recognition and interpretation of visual stimuli? A. primary visual area B. primary auditory area C. visual association area D. auditory association area

The function of the lens of the eye is to allow precise focusing of light on the retina. t/f

The photoreceptor cells that provide high-sensitivity black-and-white vsion are called _______. Correct

Nerve fibers from the medial aspect of each eye ________. A. go to the superior colliculus only B. pass posteriorly without crossing over at the chiasma C. divide at the chiasma, with some crossing and some not crossing D. cross over to the opposite side at the chiasma

Ordinarily, it is not possible to transplant tissues from one person to another, yet corneas can be transplanted without tissue rejection. This is because the cornea ________. A. is not a living tissue B. has no nerve supply C. has no blood supply D. does not contain connective tissue

Seventy percent of all sensory receptors are located in the ________. A. eye B. ears C. skin D. nose

The photoreceptor cells that provide high-resolution color vision are called _______. Correct

The mucous membrane that lines the eyelids and is reflected over the anterior surface of the eyeball is the conjunctiva. t.f

Ciliary muscles are a type of skeletal muscle. t/f

Which taste is elicited by plant alkaloids, some of which may be poisonous or lead to indigestion? A. salty B. sour C. spicy D. bitter E. umami F. sweet

The blind spot of the eye is where ________. A. more rods than cones are found B. the macula lutea is located C. only cones occur D. the optic nerve leaves the eye

The middle ossicle in the ear is the ________. Correct

The anterior chamber of the eye is filled with vitreous humor. t/f

Static equilibrium involves linear acceleration as well as changes in head rotation. t/f

Another name for the primary visual cortex is ________. A. striate cortex B. prestriate cortex C. prefrontal cortex D. collicular cortex

Information from balance receptors goes directly to the ________. A. motor cortex B. visual cortex C. brain stem reflex centers D. back muscles

The extrinsic eye muscle motor units contain only 8 to 12 muscle cells and in some cases as few as 2 or 3 muscle cells.t/f

Odorants must be volatile to be smelled. t/f

The first vestiges of eyes in the embryo are called ________. A. mesenchyme B. optic discs C. optic vesicles D. optic cups

The bending of light rays is called reflection. t/f

Which of the following is not a characteristic of olfactory receptor cells? A. They are ciliated. B. They are unipolar neurons. C. They are chemoreceptors. D. They have a short life span of about 60 days.

Which of the following are part of the fibrous tunic (layer) of the eye? (MARK ALL THAT APPLY)

The receptor membranes of gustatory cells are ________. A. basal cells B. gustatory hairs C. fungiform papillae D. taste buds

Which statement about sound localization is not true? A. It requires processing at the cortical level. B. It requires input from both ears. C. It uses time differences between sound reaching the two ears. D. It is difficult to discriminate sound sources in the midline.

In the visual pathways to the brain, the optic radiations project to the ________. A. medial retina B. lateral geniculate body C. primary visual cortex D. optic chiasma

Which choice lists the steps in olfactory transduction and transmission in the correct order? A. odarants bind to olfactory hairs, odarant molecules dissolve in mucus, an action potential is generated, receptor dendrites transduce stimulus, primary sensory neurons synapse with secondary neurons in olfactory bulb, secondary neurons relay action potentials to brain B. odarant molecules dissolve in mucus, odarants bind to olfactory hairs, an action potential is generated, receptor dendrites transduce stimulus, primary sensory neurons synapse with secondary neurons in olfactory bulb, secondary neurons relay action potentials to brain C. odarant molecules dissolve in mucus, odarants bind to olfactory hairs, receptor dendrites transduce stimulus, an action potential is generated, primary sensory neurons synapse with secondary neurons in olfactory bulb, secondary neurons relay action potentials to brain D. odarants bind to olfactory hairs, primary sensory neurons synapse with secondary neurons in olfactory bulb, odarant molecules dissolve in mucus, an action potential is generated, receptor dendrites transduce stimulus, secondary neurons relay action potentials to brain

The cochlea is innervated by cranial nerve ____. A. I B. X C. XII D. VII E. VIII

Cataracts are cloudy areas associated with the _______. A. cornea B. lens C. aqueous humor D. vitreous humor E. retina F. choroid

Visual processing in the thalamus does not contribute significantly to ________. A. depth perception B. high-acuity vision C. night vision D. movement perception

The photoreceptor cells are sensitive to damage from light. t/f

The neural layer of the retina prevents excessive scattering of light within the eye. t/f

Sour taste receptors are stimulated by hydrogen ions of acidic food substances. t/f

The cells of the retina in which action potentials are generated are the ________. A. rods and cones B. bipolar cells C. ganglion cells D. amacrine cells