Q. A surface landmark which constitutes a guide to the gastro-oesophageal orifice is the: (Solved)
1. 7th left costal cartilage
2. left linea semilunaris
3. tip of the 9th left costal cartilage
4. left nipple
5. level of the 11th thoracic vertebra
- a. 7th left costal cartilage