Identify the correct match about adult vertebral column

Options

A. Thoracic vertebrae - 7
B. Lumbar vertebrae - 12
C. Sacral vertebrae - 1
D. Coccygeal vertebrae - 4

Answer

To identify the correct match about the adult vertebral column, we need to analyze each option provided in the question. The adult vertebral column is composed of 33 vertebrae divided into five regions: cervical, thoracic, lumbar, sacral, and coccygeal.

### Step-by-Step Solution:

1. **Understand the Structure of the Vertebral Column**:
- The adult vertebral column consists of 33 vertebrae divided into different regions:
- Cervical: 7 vertebrae
- Thoracic: 12 vertebrae
- Lumbar: 5 vertebrae
- Sacral: 5 vertebrae (fused)
- Coccygeal: 4 vertebrae (fused)

2. **Evaluate Each Option**:
- **Option 1**: Thoracic vertebrae is 7
- This is incorrect. The thoracic region has 12 vertebrae.
- **Option 2**: Lumbar vertebrae is 12
- This is incorrect. The lumbar region has 5 vertebrae.
- **Option 3**: Sacral vertebrae is 1
- This is incorrect. The sacral region has 5 fused vertebrae.
- **Option 4**: Coccygeal vertebrae is 4
- This is correct. The coccygeal region consists of 4 vertebrae that are fused together to form the coccyx (tailbone).

3. **Conclusion**:
- The correct match regarding the adult vertebral column is that the coccygeal vertebrae consist of 4 vertebrae.

### Final Answer:
The correct match is: **Coccygeal vertebrae is 4.**