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The first cervical vertebra is...

The first cervical vertebra is 

A

Axis

B

Atlas

C

Lumbar

D

Sacral.

Text Solution

AI Generated Solution

The correct Answer is:
### Step-by-Step Solution: 1. **Understanding the Vertebral Column**: The human vertebral column consists of 26 vertebrae divided into different regions: cervical, thoracic, lumbar, sacral, and coccygeal. 2. **Identifying the Cervical Region**: The cervical region contains 7 vertebrae. These are labeled C1 to C7. 3. **Naming the First Cervical Vertebra**: The first cervical vertebra is specifically known as the Atlas. It supports the skull and allows for the nodding motion of the head. 4. **Identifying the Second Cervical Vertebra**: The second cervical vertebra is called the Axis. It allows for the rotation of the head. 5. **Evaluating the Options**: The question provides four options: - Axis - Atlas - Lumbar - Sacral 6. **Selecting the Correct Answer**: Since the question asks for the first cervical vertebra, the correct answer is Atlas. ### Final Answer: The first cervical vertebra is **Atlas**. ---
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