Physiology Transthoracic compliance formula:- A C = Vt x RR /PEEP B C = V/AIv p - atmospheric pressure C C = Vt/Pplt - PEEP D C = Vt/Pk - Pplt 💡 Explanation Transthoracic compliance formula:- ✓ Correct Answer: B. C = V/AIv p - atmospheric pressure