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BSc PS414 Cognitive Psychology I (The Auditory Stimulus and the Auditory System) Quiz on Outer Ear Physiology, created by Petite Piplup on 10/10/2013.

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Petite Piplup
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Outer Ear Physiology

Question 1 of 3

1

What are the two components of the outer ear?

Select one of the following:

  • Pinnae and external auditory meatus (ear canal)

  • Tympanic membrane (ear drum) and pinnae

  • External auditory meatus (ear canal) and tympanic membrane

  • Ossicles and tympanic membrane (ear drum)

Explanation

Question 2 of 3

1

What is the function if the Pinnae?

Select one of the following:

  • Localisation and visibility

  • Funnel sound into ear canal and localisation

  • Visibility and funnel sound into the ear canal

  • Amplification and visibility

Explanation

Question 3 of 3

1

What is the function of the external auditory meatus' (ear canal's)...
a) Length (approx 1 inch)?
b) Shape and diameter?

Select one of the following:

  • a) Provide larger surface area for stereocilia
    b) Help amplify sound through resonance

  • a) Provide larger surface area for stereocilia
    b) Help decrease the intensity of loud sounds

  • a) Protect tympanic membrane (ear drum) and inner ear from foreign objects
    b) Help amplify sound through resonance

  • a) Protect tympanic membrane (ear drum) and inner ear from foreign objects
    b) Help decrease the intensity of loud sounds

Explanation