This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Surfaces and Grooves, Subject name: Anatomy
The right costophrenic line extends up to the level of which rib in the mid-axillary line: 
Select and explain. 
A. 6th, B. 8th, C. 10th, D. 12th
C: 10th
Answer: C: 10th 
Explanation: Right costophrenic line measures approximately 5 cm veically and extends from the eighth to the tenth rib along the midaxillary line LINE OF PLEURAL REFLECTIONS;- Anterior border(costomediastinal);- Right side;-begin from sternoclavicular line upto 6th sternochondral joint in straight line. left side;-from sternoclavicular line upto 4th sternochondral joint in mid line below this it dete away from mid line lateral to sternal margin and reach 6th sternochondral joint. Lower border(costodiaphragmatic line);- stas at xiphisternum crosses midclavicular line at 8th rib and mid axillary line at 10th rib and ends posteriorly 2cm lateral to spinous process of T12 veebrae.