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: Forensic Medicine
All are synonyms except - 
Select and explain. 
A. Heatstroke, B. Sunstroke, C. Heat hyperthermia, D. Heat collapse
D: Heat collapse
Answer: D: Heat collapse 
Explanation: ↵
Heat stroke is also known as heat hyperpyrexia, sunstroke, systemic hyperthermia, heat hyperthermia, and thermic fever.