This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
NOT a true rib 
Select and explain. 
A. 5 th, B. 6 th, C. 7th, D. 8th
D: 8th
Answer: D: 8th 
Explanation: True ribs: Ribs directly articulating with sternum through costal cartilage.
They are ribs 1 to 7
• False ribs: Ribs that do NOT articulate directly with sternum. Ribs 8 to 12th.