Module 1.6c

Your friend is playing the low notes on her tuba quite loudly. Which of the following best explains the physical properties of the sound waves?

• No wavelength; large amplitude

• Short wavelength; large amplitude

• Short wavelength; small amplitude

• Long wavelength; large amplitude

Answer explanation

wavelength inversely correlated with tone;
amplitude increases with volume

After being exposed to loud music for many years, which of the following types of hearing loss is more likely in a musician?

• Conduction

• Accommodation

• Sensorineural

• Frequency

Answer explanation

Nicholas can tell the difference between different pitches because his cochlea’s basilar membrane is stimulated in different areas. Nicholas’ experience aligns with which theory?

• Place theory

• Frequency theory

• Volley theory

• Sound localization

Answer explanation

When Yaroslav listens to music, the sound waves cause which of the following to vibrate first?

• cochlea

• hammer, anvil, and stirrup

• eardrum

• oval window

Answer explanation

Dr. Seesmay wants to conduct a study in which she examines sensorineural hearing loss. Which of the following would be an appropriate operational definition for her variable of interest?

• The number of hair cells damaged in the cochlea among individuals with hearing loss

• The functioning of the hammer, anvil, and stirrup among individuals with hearing loss

• The rate of firing in the occipital lobe among individuals with hearing loss

• The subjective experience of pitch among individuals with hearing loss

Identify the parts of the human ear shown in the diagram.

a

b

c

d

e

f

g

h

i

Malleus

Ear Canal

Incus

Eustachian Tube

Pinna

Auditory Nerve

Cochlea

Stapes

Eardrum