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
Broca's area situated in 
Select and explain. 
A. Superior temporal gyrus, B. Inferior temporal gyrus, C. Superior temporal gyrus, D. Inferior frontal gyrus
D: Inferior frontal gyrus
Answer: D: Inferior frontal gyrus 
Explanation: Broca's motor speech area or area 44and 45 is a special region of premotor coex situated in the inferior frontal gyrus. This area is present, especially in dominated hemisphere (left hemisphere in right-handed person). Broca's area is concerned with the movements of those structures, which are responsible for the production of voice and aiculation of speech. Ref: guyton and hall textbook of medical physiology 12 edition page number:668,669,700