Anatomy Review Chapter 8

Cones enable vision in dim light (t/f)

False

Dynamic equilibrium receptors report the position of the head with respect to the pull of gravity when the body is not moving. (t/f)

False

In close vision, the pupil will dilate. (t/f)

False

Tears are secreted from lacrimal glands located on the medial end of each eye. (t/f)

False

Unlike the taste sensation, it is NOT necessary to have the chemicals associated with smells dissolved in body fluids. (t/f)

False

Increased pressure withing the eye

Glaucoma

Loss of the same side of the visual field of both eyes from damage to the visual cortex on one side only is called:

Hemianopia

Movement of eyes from straight ahead to up and left use the eye muscles:

Left- inferior oblique, lateral rectus Right- superior rectus, medial rectus

Fibers from the medial side of each eye cross over to the opposite side of the brain at the :

Optic chiasma

Seven bones make up the bony orbit including the frontal, ethmoid, maxilla and lacrimal bones. Two other bones that make up the bony orbit are :

Sphenoid or paletine, and zygomatic

Three factors that influence our appreciation of food:

Temperature, smell, texture or look.

An astigmatism results from unequal curvatures of the cornea or lens. (t/f)

True

Deafness is defined as hearing loss ranging from slight to total loss. (t/f)

True

The ciliary body is a smooth muscle structure to which the lens, via ligaments, is attached. (t/f)

True

The normal resting eye is generally "set" for distant vision. (t/f)

True

Which one of the following correctly lists the order of the parts through which light passes as it enters the eye: a. cornea, aqueous humor, lens, vitreous humor, b. lens, aqueous humor, cornea, vitreous humor c. vitreous humor, lens, aqueous humor, cornea d. cornea, lens, aqueous humor, vitreous humor e. aqueous humor, cornea, lens, vitreous humor

a. cornea, aqueous humor, lens, vitreous humor

Which on of the following nerves serves the anterior tongue? a. facial b. cochlear c. glossopharyngeal d. vestibular e.vagus

a. facial

Which one of the following is NOT part of the inner ear? a. ossicles b. semicircular canals c. vestibule d. cochlea e. membranous labrynth

a. ossicles

Inflammation of the conjunctiva involves which of the following: a. portion of the eye that contains the optic nerve b. circular band surrounding the pupil c. delicate membrane lining the eyelids and covering the front of the eyeball d. glands that produce tears e. extrinsic eye muscles

a. portion of the eye that contains the optic nerve

The fibrous outermost tunic seen anteriorly as the "white of the eye" is the : a.sclera b. choroid c. cornea d. retina e. fovea centralis

a. sclera

The oily secretions that lubricate the eye are produced by the: a. tarsal glands b. ciliary glands c. lacrimal glands d. ceruminous glands e. appocrine glands

a. tarsal glands

An ear infection following and illness such as a cols has passed from the throat through the auditory tube to the: a. tympanic membrane b. eardrum c. inner ear d. outer ear e. semicircular canals

a. tympanic membrane

Dynamic equilibrium receptors are found in the : a. semicircular canals b. oval window c. malleus d. cochlea e. vestibule

a.semicircular canals

Blurry images due to unequal curvatures of the cornea or lens

astigmatism

The three sets of color receptors within the retina are sensitive to wavelengths of visible lights that are: a. red, green and yellow b. blue, green and red c. orange, green and purple d. green, yellow and purple e. red, blue and yellow

b. blue, green and red

The middle coat of the eyeball that contains pigment which prevents light from scattering in the eyeball is the : a. sclera b. choroid c. retina d. cornea e. pupil

b. choroid

Which cranial nerve is responsible for moving the eye laterally: a. cranial nerve III(oculomotor) b. cranial nerve VI(abducens) c. cranial nerve IV(trochlear) d. cranial nerve II (optic) e. cranial nerve VII (vestibularcochlear)

b. cranial nerve VI (abducens)

The pigmented portion of the eye that has a rounded opening through which light passes is the: a. retina b. iris c. sclera d. lens e. cornea

b. iris

Hair cells that function as hearing receptors are located within the: a. auricle b. spinal organ of Corti c. maculae d. ossicles e. oval window

b. spiral organ of Corti

Alkaloids

bitter receptors

The highly contagious bacterial infection known as "pinkeye" is caused by bacterial or viral irritation of the: a. retina b. sclera c. conjunctiva d. choroid e. cornea

c. conjunctiva

Receptors stimulated by the physical forces that cause movement of fluid or vibration within the body are: a. chemoreceptors b. gustatory receptors c. mechanoreceptors d. thermoreceptors e. proprioceptors

c. echanoreceptors

Earwax is produces by:

ceruminous glands

Blood rich tunic that contains dark pigment

choroid

Smooth muscle strictures attached to the lens

ciliary body

Inflammation of the conjunctiva

conjunctivitis

The gel- like substance that reinforces the eyeball and prevents it from collapsing inward is the : a. ciliary body b. cnal of Schlemm c, choroid coat d. vitreous humor e. aqueous humor

d, vitreous humor

Equilibrium receptors are located in the : a.middle ear b. tympanic membrane c. external ear d. bony labyrinth e. ossicles

d. bony labyrinth

The transparent central anterior portion of the sclera through which light enters the eye is called the: a. retina b. choroid c. pupil d. cornea e. iris

d. cornea

What structure of the eye focuses light on the retina: a. iris b. sclera c. optic chiasma d. lens e. choroid

d. lens

The pathway of vibrations through the ossicles from the tympanic membrane, or eardrum, to the oval window is: a. incus, malleus, stapes b. malleus, stapes, incus c. stapes, incus, malleus d. malleus, incus, stapes e. stapes, malleus, incus

d. malleus, incus stapes

Sensorineural deafness occurs when there is damage/degeneration of the: a. round window b. semicircular canals c. spiral organ of Corti d. spiral organ of Corti or cochlear nerve e. ossicles

d. spiral organ of Corti or cochlear nerve

The portion of the inner ear responsible for static equilibrium is the: a. semicircular canals b. ossicles c. oval window d. vestibule e. cochlea

d. vestibule

The gland that produces tears in the eye is called the: a. tarsal gland b. ceruminous gland c. sebaceous gland d. ciliary gland e. lacrimal gland

e. lacrimal gland

Which one of the following is NOT a primary taste sensation: a. bitter b. salty c. sour d. sweet e. pungent

e. pungent

Which layer of the eye contains rods and cones? a. choroid b. sclera c. iris d. optic nerve e. retina

e. retina

The aqueous humor of the eye is reabsorbed into venous blood through the: a. pupil b. nasolacrimal duct c. inferior lacrimal canal d. ciliary body e. scleral venous sinus (canal of Schlemm)

e. scleral venous sinus (canal of Schlemm)

The congenital condition of "crossed eyes" is also known as: a. hyperopia b. presbyopia c. hemianopia d. byopia e. strabismus

e. strabismus

Sound waves entering the external auditory canal hit the eardrum, also known as the: a. auricle b. ossicles c. oval window d. pinna e. tympanic membrane

e. tympanic membrane

Which one of the following cranial nerves is NOT involved in wither taste or smell: a. glossopharyngeal (IX) b. facial nerve (VII) c. hypoglossal (XII) d.olfactory nerve (I) e. vestibular (VIII)

e. vestibular (VIII)

The only special sense that is NOT fully functional at birth is: a. taste b. smell c. touch d. hearing e. vision

e. vision

area of greatest visual acuity

fovea centralis

The eye condition resulting from the inability of the aqueous humor to drain from the eye is called :

glaucoma

Eyeball is "too short"

hyeropia

circularly and radially arranged pigmented smooth muscle fibers

iris

flexible bioconvex crystal-like structure

lens

Nearsightedness

myopia

Prolonged vitamin A deficiency results in deterioration of the neural retina

night blindness

blind spot

optic disc

Tiny stones made of calcium salts that roll in response to changes in gravitational pull are called :

otoliths

rounded opening through which light passes

pupil

contains millions of photoreceptors

retina

Metal ions in solution

salty receptors

Hydrogen ions in solution

sour receptors

Oranges, tomatoes

sour receptors

Amino acid glutamate

umami receptors

Eye suddenly exposed to bright light experience: a. photopupillary reflex b. convergence c. hemianopia d. dilation e. accommodation pupillary reflex

A. photopupillary reflex

The name of the inner ear condition that occurs when the otoliths in the vestibule roll out of position and enter the semicircular canal is:

BPPV or vertigo