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ENT exam Top Questions ans answers 100% Accurate, graded A+
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ENT exam Top Questions ans answers 100% Accurate, graded A+ parts of the external ear - -Auricle Helix Antihelix Lobule Tragus Ear canal mastoid process - -Present in the temporal bone of the skull Palpated behind the earlobe consists of sinuses of air cells that form a link wi...

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  • February 4, 2023
  • 15
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers

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  • ent exam top questions ans answers 100 accurate
  • graded a parts of the external ear auricle helix antihelix lobule tragus ear canal mastoid process present in the temporal bone of the

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ENT exam Top Questions ans answers
100% Accurate, graded A+

parts of the external ear - ✔✔-Auricle

Helix

Antihelix

Lobule

Tragus

Ear canal



mastoid process - ✔✔-Present in the temporal bone of the skull

Palpated behind the earlobe

consists of sinuses of air cells that form a link with the middle ear



where does the stylomastoid foramen pierce? - ✔✔-The stylomastoid foramen pierces it from the front
and the mastoid foramen is present at the back



when does the mastoid develop? - ✔✔-Not present in individuals at birth

Develops over time & appears around age 2 y/o



middle ear - ✔✔-Air filled middle ear

Transforms sound vibrations into mechanical waves for the inner ear

Proximal end Eustachian tube connects the middle ear to the nasopharynx



ossicles of middle ear - ✔✔-Malleus

Umbo = eardrum meets

tip of malleus

, Incus

Can sometimes be

seen through drum

Stapes



what nerve is found in the inner ear - ✔✔-Distal end of Auditory Nerve (CN VIII)



assess condition by testing auditory function



hearing pathways- conductive - ✔✔-External ear through the middle ear

Air vs bone

Normally air conduction > bone conduction



sensorineural phase - ✔✔-Cochlea and cochlear phase



equilibrium phase - ✔✔-Labyrinth of the three semicircular canals senses position and movement of the
head to determine balance



hearing loss onset - ✔✔-Unilateral or Bilateral

Sudden - may indicate vascular or autoimmune cause

Gradual - viral etiology



what does conductive hearing loss result from? - ✔✔-Results from dysfunction of the external or middle
ear & includes any condition that interferes with or blocks the transmission of sound waves from the
external ear to the inner ear



EX. of things that could cause conductive hearing loss - ✔✔-- Cerumen

- Foreign Bodies (common in young children)

- Infection

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