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
Ramesh thigh, a 40 yrs old man, was admitted with fracture shaft femur following a road traffic accident. He was tachypnoeic, and had conjunctival petechiae. Most likely diagnosis is - 
Select and explain. 
A. Pulomary embolism, B. Sepsis syndrome, C. Fat embolism, D. Hemothorex
C: Fat embolism
Answer: C: Fat embolism 
Explanation: This patient has also developed classical triad of fat embolism :-


Respiratory symptom :- Tachypnea
Neurological symptom :- Disorientation
Petechial rash :- Conjunctival petechiae