Module 24- Sound and Hearing

What is the sense or act of hearing called?

• Vision

• Audition

• Olfaction

• Gustation

What determines the perceived loudness of sound waves?

• Frequency

• Amplitude

• Pitch

• Wavelength

What is the unit used to measure sound amplitude?

• Hertz

• Decibels

• Meters

• Watts

What is the frequency of sound waves related to?

• Loudness

• Amplitude

• Pitch

• Speed

What is the effect of prolonged exposure to sounds above 85 decibels?

• Improved hearing

• Hearing loss

• Enhanced concentration

• Increased energy

What determines the pitch of a sound according to the text?

• Amplitude

• Frequency

• Volume

• Speed

What is the role of the cochlea in the ear?

• It amplifies sound waves

• It transmits vibrations to the eardrum

• It converts sound waves into nerve impulses

• It protects the inner ear

Which part of the ear contains the hammer, anvil, and stirrup?

• Inner ear

• Middle ear

• Outer ear

• Cochlea

What part of the ear is responsible for transforming sound waves into nerve impulses?

• Cochlea

• Eardrum

• Auditory canal

• Semicircular canals

What is the most common form of hearing loss caused by damage to the cochlea's receptor cells?

• Sensorineural hearing loss

• Conduction hearing loss

• Temporary hearing loss

• Mechanical hearing loss