This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vascular surgery, Subject name: Surgery
Calf compament pressure rise to _________ on walking: 
Select and explain. 
A. 20-30 mmHg, B. 60-80 mmHg, C. 80-100 mmHg, D. 200-300 mmHg
D: 200-300 mmHg
Answer: D: 200-300 mmHg 
Explanation: On standing, the aerial blood pressure at the ankle rises by 80-100 mmHg. The pressure within the calf-compament rises to 200-300 mmHg during walking, which is more than enough to propel the blood in the direction of hea. Ref: Bailey 27th edition Pgno: 971