Trachea divides into bronchi at the level of

Options

A. atlas
B. axis
C. `3^(rd)` cervical vertebra
D. `5^(th)` thoracic vertebra

Answer

To determine where the trachea divides into bronchi, we can follow these steps:

1. **Understand the Structure of the Trachea**: The trachea is a tube that connects the larynx to the bronchi and is responsible for transporting air to the lungs.

2. **Identify the Location of Division**: The trachea extends down into the thoracic cavity and eventually bifurcates (divides) into the left and right bronchi.

3. **Locate the Anatomical Reference Points**: The division of the trachea occurs at a specific vertebral level. Knowing the vertebral levels is crucial for identifying where this division occurs.

4. **Determine the Correct Vertebral Level**: The trachea divides into the bronchi at the level of the fifth thoracic vertebra (T5).

5. **Conclusion**: Therefore, the correct answer to the question is that the trachea divides into bronchi at the level of the fifth thoracic vertebra.

**Final Answer**: The trachea divides into bronchi at the level of the fifth thoracic vertebra (Option D).

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