Podcast
Questions and Answers
What type of glands are present in the skin of the cartilaginous part of the external auditory meatus?
What type of glands are present in the skin of the cartilaginous part of the external auditory meatus?
- Sweat glands
- Mammary glands
- Ceruminous (waxy) glands (correct)
- Sebaceous glands
What is the lining of the external auditory meatus adherent to?
What is the lining of the external auditory meatus adherent to?
- Perichondrium and periosteum (correct)
- Blood vessels
- Nerves
- Muscles
What is the length of the external auditory (acoustic) meatus?
What is the length of the external auditory (acoustic) meatus?
- 30 mm
- 24 mm (correct)
- 12 mm
- 20 mm
How far is the narrow (isthmus) of the bony part of the external auditory meatus from the eardrum?
How far is the narrow (isthmus) of the bony part of the external auditory meatus from the eardrum?
Which direction is the external auditory meatus first directed towards?
Which direction is the external auditory meatus first directed towards?
What is the maximum convexity within the middle ear cavity referred to as?
What is the maximum convexity within the middle ear cavity referred to as?
Which nerve supplies the posterior wall and floor of the middle ear cavity?
Which nerve supplies the posterior wall and floor of the middle ear cavity?
Which artery supplies the outer surface of the middle ear cavity?
Which artery supplies the outer surface of the middle ear cavity?
Which of the following is NOT one of the ossicles found in the middle ear cavity?
Which of the following is NOT one of the ossicles found in the middle ear cavity?
What is the main function of the tensor tympani muscle within the middle ear cavity?
What is the main function of the tensor tympani muscle within the middle ear cavity?
Which boundary of the middle ear cavity slopes anteriorly?
Which boundary of the middle ear cavity slopes anteriorly?
What is the main content of the epitympanic recess within the middle ear cavity?
What is the main content of the epitympanic recess within the middle ear cavity?
Which nerve forms part of the tympanic plexus within the middle ear cavity?
Which nerve forms part of the tympanic plexus within the middle ear cavity?
What is the function of the stapedius muscle within the middle ear cavity?
What is the function of the stapedius muscle within the middle ear cavity?
Which vessels supply blood to different areas within the middle ear cavity?
Which vessels supply blood to different areas within the middle ear cavity?
