This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Sitaram a 40-years old man ,met with an accident and comes to emergency department with engorged neck veins, pallor, rapid pulse and chest pain diagnosis is 
Select and explain. 
A. Pulmonary laceration, B. Cardiac tamponade, C. Hemothorax, D. Splenic rupture
B: Cardiac tamponade
Answer: B: Cardiac tamponade 
Explanation: None