Ear Anatomy and Function Quiz

Which part of the ear is responsible for collecting sound waves?

• a) Cochlea

• b) Eustachian tube

• c) Pinna

• d) Tympanic membrane

Which structure in the inner ear is responsible for converting sound vibrations into electrical signals?

• a) Cochlea

• b) Semicircular canals

• c) Oval window

• d) Vestibule

What is the function of the ossicles in the middle ear?

• a) Balance

• b) Equalizing air pressure

• c) Transmitting sound vibrations

• d) Filtering sound waves

What role does the Eustachian tube play in ear function?

• a) Regulating body temperature

• b) Transmitting sound vibrations

• c) Equalizing air pressure

• d) Balancing fluid levels

Which part of the ear is responsible for maintaining balance and spatial orientation?

• a) Cochlea

• b) Semicircular canals

• c) Auditory nerve

• d) Tympanic membrane

What happens when the Eustachian tube is blocked?

• a) Vertigo occurs

• b) Tinnitus develops

• c) Air pressure in the middle ear becomes unequal

• d) Hearing loss occurs

During a descent in an airplane, what action helps equalize air pressure in the ears?

• a) Chewing gum

• b) Yawning

• c) Swallowing

• d) All of the above

What role does the tympanic membrane play in hearing?

• a) It collects sound waves

• b) It amplifies sound vibrations

• c) It converts sound vibrations into electrical signals

• d) It transmits sound vibrations from the outer to the middle ear

Which of the following best defines frequency in relation to hearing?

• The intensity or loudness of a sound wave.

• The distance a sound wave travels from its source.

• The number of vibrations per second of a sound wave.

• The duration of time a sound wave persists in the environment.

  
  

Which direction does the eardrum typically move during equalizing air pressure when descending in a plane?

• It moves inward as pressure in the middle ear increases.

• It moves outward as pressure in the middle ear decreases.

• It remains stationary as pressure in the middle ear remains constant.

• It oscillates rapidly in both directions due to rapid pressure changes.