Audition

The dorsal cochlear nucleus differs from the ventral in that: A. it projects primarily to the reticular system. B. it is primarily concerned with frequency discrimination. C. it is primarily responsible for sound localization.

A. it projects primarily to the reticular system.

Pure tones consist of a sound of A. one frequency. B. two frequencies. C. three frequencies. D. four or more frequencies.

A. one frequency.

The outer, visible portion of the ear is called the A. pinna. B. cochlea. C. incus. D. malleus.

A. pinna.

Humans can hear sounds that vary from A. 15 Hz to 40,000 Hz. B. 20 Hz to 20,000 Hz. C. 20 Hz to 40,000 Hz. D. 40 Hz to 80,000 Hz.

B. 20 Hz to 20,000 Hz.

The malleus, incus, and stapes are: A. three different kinds of hair cells in the inner ear B. bones in the middle ear C. three membranes that sound waves go through in the inner ear D. different types of receptor cells.

B. bones in the middle ear

The inner ear includes the A. pinna and ear drum. B. cochlea and the vestibular system. C. ear drum and oval window. D. pinna and cochlea.

B. cochlea and the vestibular system.

The amplitude of a sound wave is measured in A. hertz. B. decibals. C. nanometers. D. amps.

B. decibals.

The receptor cells of the auditory system are known as A. rods B. hair cells C. cones D. pacinian corpuscles

B. hair cells

We localize a sound by comparing the _____ and ____ between the two ears A. loudness ... pitch B. loudness ... phase differences C. pitch ... hierarchical rank

B. loudness ... phase differences

One way in which sound waves vary is in the frequency of a sound wave, which we perceive as A. timbre. B. pitch. C. hue. D. loudness.

B. pitch.

What is the first step in the production of an auditory sensation? A. movement of the stapes at the oval window establishes pressure waves in the vestibular duct B. sound waves arrive at the tympanic membrane C. movement of the tympanic membrane causes displacement of bones of the middle ear D. vibration of the basilar membrane causes the auditory receptors to be activated

B. sound waves arrive at the tympanic membrane

The primary auditory cortex and secondary auditory cortex are located almost entirely in the A. frontal lobe. B. temporal lobe. C. parietal lobe. D. occipital lobe.

B. temporal lobe.

Different parts of the basilar membrane differ in A. electrical charge and salinity B. width and stiffness C. viscosity and polarity D. density of hair cells

B. width and stiffness

The view that the entire basilar membrane vibrates at the frequency of a given sound is called the A. gate-control theory. B. sound detection theory. C. frequency theory of pitch. D. place theory of pitch.

C. frequency theory of pitch.

Timing cues and intensity cues are both used to A. detect frequency. B. detect amplitude. C. identify the location of a sound. D. recognize the meaning of a sound.

C. identify the location of a sound.

Which of the following is not a perceptual quality of a sound? A. pitch B. timbre C. saturation D. loudness

C. saturation

The eardrum is also known as the A. pinna. B. malleus. C. tympanic membrane. D. cochlea.

C. tympanic membrane.

Frequency is measured in A. hertz. B. decibals. C. amps. D. nanometers.

A. hertz.

Sound pattern discrimination is performed by A. inferior colliculus B. medial geniculate C. lateral geniculate D. auditory cortex

D. auditory cortex

Axons that project to the auditory cortex have their cell bodies primarily located in the: A. Superior olivary complex B. lateral geniculate nucleus C. inferior colliculus D. medial geniculate nucleus

D. medial geniculate nucleus

What structure of the ear contains the basilar membrane, the hair cells, and the tectorial membrane? A. pinna B. cochlea C. round window D. organ of Corti

D. organ of Corti