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Question

The trachea and bronchi are provided with C-shaped cartilaginous rings which:


A

Are responsible for sound production.

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B

Give them support and prevent their collapse.

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C

Divide trachea and bronchi.

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D

Give support to lungs.

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Solution

The correct option is B

Give them support and prevent their collapse.


The correct option is B.

Explanation of the correct option:

  1. The windpipe, also known as the trachea, is vital for the delivery of air to the lungs.
  2. Any drawn-out obstruction, in any case, can induce passing for a few seconds.
  3. It is made up of smooth muscle and a few c-shaped cartilage rings.
  4. The cartilage rings provide strength and aid in preventing the windpipe from collapsing and cutting down aircraft pathways.
  5. The windpipe extends from the neck and divides into two major bronchi.

Explanation of the incorrect option:

Option A:

  1. The larynx, or voice box, located in the upper region of the human body, produces voice.
  2. The larynx is located towards the top of the windpipe.

Option C:

  1. The trachea separates into the right and left principal bronchi in the mediastinum, at the level of the fifth thoracic vertebra.
  2. The bronchi divide into smaller and smaller channels until they reach tiny air sacs known as alveoli.

Option D:

The most far within the lungs, each bronchus is further divided into five smaller, secondary bronchi that supply air to the lungs' projections.

Final answer: The trachea and bronchi are provided with C-shaped cartilaginous rings which give them support and prevent their collapse.


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