The Outter Ear (IHS5e)

Description

IHS 5E Lesson 1 The Outer Ear
Jennifer Stratichuk
Quiz by Jennifer Stratichuk, updated more than 1 year ago
Jennifer Stratichuk
Created by Jennifer Stratichuk about 2 years ago
2
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Resource summary

Question 1

Question
The adult ear canal
Answer
  • curves like a vertical figure "S"
  • is usually straight
  • rises upwards and forward, then descends to the drum
  • descends downward then backward toward the drum

Question 2

Question
The isthmus is
Answer
  • where the canal narrows to enter the temporal bone
  • another name for the aperture
  • located at the second bend of the canal
  • the area between the first and second bend

Question 3

Question
The pinna and the external canal together
Answer
  • all of the above
  • gather and reinforce acoustical signals
  • with the irregular shape of the auricle, cause increases and decreases
  • forms the resonating tube

Question 4

Question
The average resonant frequency of the ear canal plus concha is:
Answer
  • 2700Hz
  • 1500 HZ
  • 3500HZ
  • 1000HZ

Question 5

Question
The dividing line between the external ear and the middle ear is the
Answer
  • tympanic membrane
  • malleus
  • eustachian tube
  • oval window

Question 6

Question
The ear canal contains
Answer
  • cilia, ceruminous glands, sebaceous glands
  • ceruminous glands, pinna scaffoid fossa
  • umbo, isthmus, sebaceous glands
  • crus, aperture, sebaceous glands

Question 7

Question
Which of the following terms is not part of the tympanic membrane
Answer
  • crus
  • par tensa
  • pars flaccida
  • umbo

Question 8

Question
An otoscopic insprection should reveal:
Answer
  • a view of the pearly white tympanic membrane
  • an external auditory canal sloping upward and backward
  • no vision of any oddicles
  • a clear view of the Vagus Nerve (Xth Cranial)

Question 9

Question
Which of the following is part of the pinna
Answer
  • all of the above
  • tragus
  • interragal
  • triangular fossa

Question 10

Question
The Vagus Nerve (Xth Crainal) is found:
Answer
  • along the bottom of the ear canal
  • along the bottom of the tympanic membrane
  • along the bottom of the interregnal notch
  • at the top of the isthmus.
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