What do the trachea and bronchi possess in their wall of the respiratory tract in man?
A
C-shaped cartilagenous rings
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B
C-shaped bony rings
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C
V-shaped bony rings
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D
V-shaped cartilagenous rings
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Solution
The correct option is A C-shaped cartilagenous rings The trachea, primary, secondary and tertiary bronchi, and initial bronchioles are supported by incomplete cartilaginous rings.
So, the correct answer is 'C-shaped cartilaginous rings'