This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
Symptoms or signs seen in Acute peripheral aerial occlusion 
Select and explain. 
A. Pain, B. Pallor, C. Pulselessness, D. All the above
D: All the above
Answer: D: All the above 
Explanation: Acute peripheral aerial occlusion may result from: Rupture and thrombosis of an atherosclerotic plaque Embolus from the hea or thoracic or abdominal aoa Aoic dissection Acute compament syndrome Symptoms and signs are sudden onset in an extremity of the 5 P's: Pain (severe) Polar sensation (coldness) Paresthesias (or anesthesia) Pallor Pulselessness Ref- <a href=" </div>