This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Burns, Subject name: Surgery
A third degree circumferential burn in the arm & forearm region, which of the following is most impoant for monitoring? 
Select and explain. 
A. Blood gases, B. Carboxy-oxygen level, C. Macroglobinuria cryoglobinuria, D. Peripheral pulse and circulation
D: Peripheral pulse and circulation
Answer: D: Peripheral pulse and circulation 
Explanation: When deep second and third degree burn wounds encompass the circumference of an extremity, peripheral circulation to the limb can be compromised. Development of generalized edema beneath a non - yielding eschar impedes venous outflow and affects aerial inflow to the distal beds. This can be recognized by numbness and tingling in the limb and increased pain in digits. Aerial flow can be assessed by determination of Doppler signals in the digital aeries and the palmar and planter arches in affected extremities. Capillary refill can also be assessed.