Malformation and Injuries to the External Ear Anatomy

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What is the function of the auricle?

Aiding in temperature regulation of the ear

Forming a protective barrier for the external acoustic meatus

Capturing and transmitting sound to the external acoustic meatus (correct)

Supporting the lobule with cartilage

Which congenital abnormality is characterized by the absence of the pinna?

Macrotia

Coloboma lobulli

Anotia (correct)

Microtia

What is the medical term for a benign bony overgrowth of the bony external auditory canal?

Anotia

Macrotia

Coloboma lobulli

Exostoses (correct)

Which blood supply provides nourishment to the external ear?

A. Auricularis posterior and profunda Signup and view all the answers

What type of injuries can result in frostbite of the ear?

Exposure to extreme cold conditions Signup and view all the answers

What is the length of the external acoustic meatus?

$25mm$ Signup and view all the answers

What is the recommended treatment for small auricular hematomas?

Needle aspiration Signup and view all the answers

What is the most common etiology for cauliflower ear (wrestler's ear)?

Trauma to the ear Signup and view all the answers

What is the potential complication of applying heat to a frozen ear before circulation is established?

Clotting of the blood in the blood vessels Signup and view all the answers

What is the narrowest point in the external auditory canal where foreign bodies can become impacted?

Bony cartilaginous junction Signup and view all the answers

What is the most common type of foreign body found in the ear of children?

Food (like beans) Signup and view all the answers

Which technique is NOT used for removing ear foreign bodies?

Surgical drainage Signup and view all the answers

What is the potential consequence of imprudent cleaning of the ear canal?

Cerumen impaction Signup and view all the answers

Which clinical feature is commonly associated with large auricular hematomas?

Tense, tender, fluctuant swelling of the pinna Signup and view all the answers

`What is perichondritis?`

Infection and inflammation of the perichondrium (connective tissue that envelops cartilage) Signup and view all the answers

What is the medical term for a condition characterized by the absence of the pinna?

Anotia Signup and view all the answers

Which term is used to describe a benign bony overgrowth of the bony external auditory canal?

Exostoses Signup and view all the answers

What is the length of the external acoustic meatus?

25mm Signup and view all the answers

Which blood supply provides nourishment to the external ear?

a. auricularis posterior and profunda Signup and view all the answers

What type of injury can result in frostbite of the ear?

Exposure to extreme cold temperatures Signup and view all the answers

What is the potential complication of applying heat to a frozen ear before circulation is established?

Tissue necrosis Signup and view all the answers

Which of the following techniques is NOT recommended for removing ear foreign bodies?

Surgical drainage Signup and view all the answers

What is the potential complication of applying heat to a frozen ear before circulation is established?

Clotting of the blood in the blood vessels Signup and view all the answers

What is the most common type of foreign body found in the ear of children?

Insects Signup and view all the answers

Which type of injury can result in frostbite of the ear?

Blunt injury Signup and view all the answers

What is the potential consequence of imprudent cleaning of the ear canal?

Perichondritis Signup and view all the answers

Which clinical feature is commonly associated with large auricular hematomas?

Permanent deformity of the pinna Signup and view all the answers

What is perichondritis?

Infection and inflammation of the perichondrium Signup and view all the answers

What is the narrowest point in the external auditory canal where foreign bodies can become impacted?

Bony cartilaginous junction Signup and view all the answers

What is the recommended treatment for small auricular hematomas?

Needle aspiration Signup and view all the answers

Malformation and Injuries to the External Ear Anatomy

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Questions and Answers

What is the function of the auricle?

Which congenital abnormality is characterized by the absence of the pinna?

What is the medical term for a benign bony overgrowth of the bony external auditory canal?

Which blood supply provides nourishment to the external ear?

What type of injuries can result in frostbite of the ear?

What is the length of the external acoustic meatus?

What is the recommended treatment for small auricular hematomas?

What is the most common etiology for cauliflower ear (wrestler's ear)?

What is the potential complication of applying heat to a frozen ear before circulation is established?

What is the narrowest point in the external auditory canal where foreign bodies can become impacted?

What is the most common type of foreign body found in the ear of children?

Which technique is NOT used for removing ear foreign bodies?

What is the potential consequence of imprudent cleaning of the ear canal?

Which clinical feature is commonly associated with large auricular hematomas?

`What is perichondritis?`

What is the medical term for a condition characterized by the absence of the pinna?

Which term is used to describe a benign bony overgrowth of the bony external auditory canal?

What is the length of the external acoustic meatus?

Which blood supply provides nourishment to the external ear?

What type of injury can result in frostbite of the ear?

What is the potential complication of applying heat to a frozen ear before circulation is established?

Which of the following techniques is NOT recommended for removing ear foreign bodies?

What is the potential complication of applying heat to a frozen ear before circulation is established?

What is the most common type of foreign body found in the ear of children?

Which type of injury can result in frostbite of the ear?

What is the potential consequence of imprudent cleaning of the ear canal?

Which clinical feature is commonly associated with large auricular hematomas?

What is perichondritis?

What is the narrowest point in the external auditory canal where foreign bodies can become impacted?

What is the recommended treatment for small auricular hematomas?

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