EARS

• Bachelor of Science in Nursing: Health Assessment

  Course module, course unit, week
• Learning activities


  • Read course and unit objectives
  • Read and comprehend study guide prior to class attendance
  • Read and comprehend required learning resources
  • Engage in classroom discussions
  • Participate in weekly discussion board (Canvas)
  • Answer and submit course unit tasks
• How we hear


  1. Air conduction

  2. Sound waves through external auditory canal

  3. Tympanic membrane (TM)

  4. Sound vibrations cause the TM and the malleus (hammer), incus (anvil), and stapes (stirrup) bones to move

  5. Vibrations to inner ear structures

  
• Abnormal findings of the external ear

  
• Otoscope


  A flashlight type viewer used to visualize the eardrum and external ear canal