Anatomy Which of the following represents the surface marking of aoic valve? A Sternal end of left 3rd costal cailage B Sternal end of right 3rd costal cailage C Beside sternum in right 2nd intercostals space D Besides the sternum in the right 3 rdintercostals space 💡 Explanation Which of the following represents the surface marking of aoic valve? ✓ Correct Answer: A. Sternal end of left 3rd costal cailage