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: Anatomy
To give intramuscular injections, safe quadrant of gluteal region is: 
Select and explain. 
A. Anterosuperior, B. Anteroinferior, C. Posterosuperior, D. Posteroinferior
A: Anterosuperior
Answer: A: Anterosuperior 
Explanation: Ans. A i.e. Anterosuperior