71) The ossicles connect the

A) tympanic membrane to the oval window.

B) tympanic membrane to the round window.

C) oval window to the round window.

D) cochlea to the tympanic membrane.

E) cochlea to the oval window.

72) A structure that allows the middle ear to communicate with the nasopharynx is the

A) pinna.

B) vestibular duct.

C) tympanic duct.

D) auditory tube.

E) external auditory canal.

73) The intensity of vibrations is measured in

A) decibels.

B) wavelength.

C) frequency.

D) cycles.

E) duration.

74) Which of the following is filled with air?

A) middle ear cavity

B) cochlea

C) vestibule

D) semicircular canal

E) membranous labyrinth

75) Swellings in the semicircular canals are called ________.

A) otoliths

B) ampullae

C) maculae

D) spiral organs

E) basilar membranes

76) Receptors in the ________ provide sensations of gravity and linear acceleration.

A) cochlea

B) semicircular canals

C) auditory ossicles

D) vestibule

E) internal acoustic meatus

77) The hearing receptors are located in the

A) ampulla.

B) cochlear duct.

C) utricle.

D) saccule.

E) semicircular canals.

78) The branch of the cranial nerve that is responsible for monitoring changes in equilibrium is the ________ branch.

A) otoconial

B) cochlear

C) vestibular

D) trigeminal

E) auditory

79) In the middle ear, which muscle pulls on the malleolus?

A) stapedius

B) stylohyoid

C) masseter

D) tensor tympani

E) buccinator

80) In a young child, the tympanic membrane vibrates to frequencies between

A) 2,000-3,000 Hz.

B) 20-2,000 Hz.

C) 2-200 Hz.

D) 200-200,000 Hz.

E) 20-20,000 Hz.