MEDICAL
PLEURA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Where is the projection of the bifurcation tracheae?
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At the height of Th4
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At the height of Th3
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At the height of Th1
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At the height of Th5
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Explanation:
Detailed explanation-1: -The thoracic part divides at the tracheal bifurcation into the right and left main bronchi. The tracheal bifurcation houses a sagittally-oriented cartilaginous ridge called the carina.
Detailed explanation-2: -The bifurcation of the mainstem bronchi forms the carina at approximately the fourth to fifth thoracic vertebrae.
Detailed explanation-3: -The carina represents the inferior termination of the trachea into the right and left main bronchi. The carina usually sits at the level of the sternal angle and the T4/T5 vertebral level in the thoracic plane.
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