This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Physiology
Brodman's area number for motor area 
Select and explain. 
A. 4 and 6, B. 1,2,3, C. 5 and 7, D. 16 and 18
A: 4 and 6
Answer: A: 4 and 6 
Explanation: Ans. (a) 4 and 6(Ref: Ganong, 25th ed/p.237)Primary motor cortex Is located in the precentral gyrus of the frontal lobe (Brodmann's area 4)Premotor cortex and supplementary motor cortex - Brodmann's area 6