Ear Surgery Part-3

Which of the following is an indication of stapedectomy?

• Arteriosclerosis
• Osteosclerosis
• Artherosclerosis
• All of the above

What is osteosclerosis of stapes bone?

• Loss of stapes bone
• Abnormal growth of extra bones around the stapes.
• Destruction of stapes bone
• None of the above

What is the position of the patient in stapedectomy surgery?

• Lateral with the involved ear up
• Prone with the involved ear up
• Supine with the involved ear up
• Trendelberg

What is the correct sequence of the stapedectomy procedure? 1. Eardrum is checked with operating microscope 2. A small opening is made in footplate of stapes. 3. A piston (prosthesis or implant) is placed into the opening and connected to incus. 4. Stapes is vaporized and removed with an instrument.

• 3-1-2-4
• 1-2-3-4
• 1-4-3-2
• 1-4-2-3

Whati s pinna?

• Outside part of the ear
• Connects outer ear to middle ear
• Inner ear
• Middle ear

What is the external auditory canal or tube?

• Middle ear
• Inner ear
• Outer ear
• Connects outer ear to inside ear

What is true about the tympanic membrane?

• Divides internal ear from the middle ear
• Transmit sound from air to ossicles
• Transmit sound from middle ear to brain
• All of the above

Which of the following is TRUE about the middle ear?

• Contains pinna
• Transfer sound to inner ear
• Transfer sound to the external environment
• All of the above

Which of the bony ossicle is connected with the tympanic membrane?

• Malleus
• Incus
• Stapes
• All of the above

Which of the bony ossicle is connected with the inner ear?

• Malleus
• Incus
• Stapes
• All of the above