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: Orthopaedics
Which of the following is not a component of the crush syndrome - 
Select and explain. 
A. Myohemoglobinuria, B. Massive crushing of muscles, C. Acute tubular necrosis, D. Bleeding diathesis
D: Bleeding diathesis
Answer: D: Bleeding diathesis 
Explanation: Crush syndrome is the general manifestation of a crush injury involving one or more limbs or abdomen under extreme pressure for a few hours. The prolonged pressure to the limb or abdomen leads to breakdown of the integrity of the muscle membrane and derangement of cellular transport. This in turn may cause a syndrome of :-

Rhabdomyolysis                                                                      
Hyperkalemia                                                                  
Metabolic acidosis                                            
DIC   
Cardiomyopathy       
Acute tubular necrosis & ARF
Dehydration           
Hyperphosphatemia       
Myoglobinemia & myoglobinuria   
Hypocalcemia        
Hyperuricemia