Chap 24 Special Senses

Dynamic equilibrium depends on the functioning of the: A. Organ of corti B. Crista ampullaris/cupula C. Macula D. Tectorial membrane

The anterior portion of the scalera is called the: A. Cornea B. Iris C. Lens D. Conjunctiva

An intrinsic eye muscle is the: A. Iris B. Pupil C. Sclera D. Retina

Which two involuntary muscles make up the front part of the eye? A. Malleus and incus B. Iris and ciliary muscle C. Retina and pacinian muscle D. Sclera and iris

The only stucture of rhe inner ear concerned with hearing is the: A. Utricle B. Saccule C. Semicircular canals D. Cochlear duct

The sense organ(s) responsible for the sense of balance is/are located in the: A. Vestibule B. Cochlea C. Semicircular canals D. Both a and c

The membranous labyrinth is filled with andolymph. T or f

The white of the eye is called the: A. Sclera B. Choroid C. Retina D. Cornea

Accommodation of the lens for near vision necessitates: A. Increased curvature of the lens B. Relaxation of the ciliary muscle C. Contraction of the suspensory ligament D. Dilation of the pupil

An intrinsic eye muscle is the: A. Iris B. Pupil C. Sclera D. Retina

Corneal tissue is avascular. T or f

Where are the specialized mechanoreceptors of hearing and balance located? A. Inner ear B. Malleus C. Helix D. All of the above

Which of the following is true about the sclera? A. Its a mucous membrane B. It is called the white of the eye C. It lies behind the iris D. All are true

The retina contains microscopic receptor cells called: A. Mechanoreceptors B. Chemoreceptors C. Olfactory receptors D. Rods and cones

Which two involuntary muscles make up the front part of the eye? A. Malleus and incus B. Iris and ciliary muscle C. Retina and pacinian muscle D. Sclera and iris

The external ear consists of the: A. Auricle and external acoustic meatus B. Labyrinth C. Organ of Corti and cochlea D. None of these

The retina is the innermost layer of the eye and contains structures called rods. T or f

Nerve impulses responsible for the sensation of taste are carried in all of the following cranial nerves except? a. VII b. VIII c. IX d. X

From superficial to deep, the 3 layers of tissue that compose the eyeball are? a. sclera, retina, choroid b. choroid, sclera, retina c. sclera, choroid, retina d. retina, choroid, sclera

The sensation of spinning

Accommodation for near vision necessitates a. an increase in the curvature of the lens. b. constriction of the pupils. c. convergence of the two eyes. d. All of these are correct.

The intrinsic muscles located within the eye are the _____ muscles. a. lateral rectus b. superior rectus c. inferior rectus d. iris and ciliary

The innermost coat of the eyeball is the a. ciliary body. b. sclera. c. retina. d. iris.

The transparent, anterior portion of the outer coat of the eyeball is called the a. cornea. b. choroid. c. conjunctiva. d. ciliary body.

The ear is divided into which three anatomical parts? a. external ear, tympanic membrane, inner ear b. external ear, middle ear, cochlea c. external ear, middle ear, inner ear d. external auditory meatus, middle ear, inner ear