Which of the following individuals who has recently presented to a hospital emergency department is displaying an injury that involves his or her fibrocartilage?
A)
A 7-year-old girl whose ear has been lacerated during a dog attack
B)
A 24-year-old male who has had his trachea crushed in a workplace accident
C)
A 15-year-old boy who has suffered a knee injury during a football game
D)
A 78-year-old man who has fallen and is suspected of having a "slipped disc" in his back
Ans:
D
Feedback:
Intervertebral discs are constructed of fibrocartilage, while the ear is largely constructed of elastic cartilage. Cartilage of the respiratory system and joints is most often hyaline cartilage.
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