This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
Macula is stimulated by 
Select and explain. 
A. Gravity, B. Head position change, C. Linear acceleration, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Macula senses the position of the head in response to gravity and linear acceleration. Ref: Diseases of EAR, NOSE and THROAT by PL Dhingra; 6th edition; page no.16