Active Lecture Questions Chapter 16 Special Senses Copyright © 2008 Pearson Education, Inc.,...

Active Lecture Questions

Chapter 16

Special Senses

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

Which of the following describe taste buds?

a. Taste receptors

b. Found in the mucosa of the mouth and pharynx

c. Located in papillae

d. All of the above


Which nerve endings pass through the ethmoid bone?


a. Olfactory nerves

b. Gustation receptors

c. Taste buds

d. Taste cells

After the receiving the smell stimuli, mitral cells transmit impulses to the __________.

a. frontal lobe

b. occipital lobe

c. limbic system

d. all of the above


Which of the extrinsic muscles of the eye moves the eye laterally and is innervated by the abducens (VI) nerve?

a. inferior rectus muscle

b. superior oblique muscle

c. lateral rectus muscle

d. medial rectus muscle


The lacrimal gland produces fluid, but how is the fluid spread?

a. Nasolacrimal duct

b. Lacrimal canaliculi

c. Blinking

d. Both a and c


The vascular layer of the of the eyeball contains __________.

a. the choroid

b. the sclera

c. the iris

d. both a and c


A reflex of the eye called the pupillary light reflex is __________.

a. the opening of the pupils when a visual field is detected

b. constriction of the pupils when bright light is flashed

c. the eye adjusting to the dark

d. red-eye glare you get when taking pictures.


The structure identified by the arrow is __________, which is found in the __________ layer.

a. the choroid; vascular

b. the sclera; fibrous

c. pigmented; inner

d. the ciliary muscle; vascular


The purpose of vitreous humor is __________.

a. to transmit light

b. to support posterior surface of the lens

c. to help maintain intraocular pressure

d. all of the above


The interneurons responsible for processing and modifying visual information are __________.

a. rod and cone cells

b. amacrine and horizontal cells

c. ganglion cells

d. bipolar cells


What structure is indicated by the arrow?

a. External acoustic meatus

b. Tympanic membrane

c. Auricle

d. Middle ear


What is the name of the auditory ossicles?


a. Malleus

b. Stapes

c. Incus

d. All of the above

The membranous labyrinth is filled with a clear fluid called __________.

a. perilymph

b. endolymph

c. epilymph

d. both a and b


Sensory receptors for hearing are located in the __________.


a. cochlear duct

b. tympanic membrane

c. scala tympani

d. scala vestibuli


a. Stereocilia

b. Kinocilium

c. Hair bundles

d. Otoliths


How is the cupula (indicated by the arrow) able to detect angular acceleration?

a. Moved by inertia of endolymph

b. Noved by inertia of perilymph

c. Detects changes by orientation in space

d. Both a and c


What are the light-bending parts of the eye?


a. Cornea

b. Lens

c. Humors

d. All of the above

At birth, infants __________.

a. are nearsighted

b. have normal vision

c. cannot see

d. are farsighted



a. Basilar membrane

b. Scala tympani

c. Cochlear duct

d. Cochlear apex


The fluid found in the space between the cochlear duct and the basilar membrane is __________.

a. endolymph

b. perilymph

c. cochlolymph

d. both a and b


What structure in the middle ear is identified by the arrow?

a. Stapes

b. Malleus

c. Cochlea

d. Incus


The auditory cortex is instrumental in localizing sound because __________.

a. not all fibers cross over to the other side of the brain

b. it receives impulses from both ears

c. interneurons permit localization

d. both a and b


Meniere’s Syndrome is the result of __________.

a. not enough perilymph fluid

b. conflict between visual and vestibular inputs

c. excessive amounts of endolymph

d. not enough endolymph


Conduction deafness occurs when sound vibrations cannot be transmitted as a result of __________.


a. earwax blocking the external acoustic meatus

b. a ruptured eardrum

c. otosclerosis

d. all of the above

Infants can localize sounds at __________.

a. birth

b. 2 or 3 months

c. 3 or 4 months

d. 1 year


Active Lecture Questions Chapter 16 Special Senses Copyright © 2008 Pearson Education, Inc.,...

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