This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET Jan 2020, Subject name: Medicine
Frontal gyrus lesion leads to? 
Select and explain. 
A. Wernicke's aphasia, B. Nominal aphasia, C. Broca's aphasia, D. Akinetic mutism
C: Broca's aphasia
Answer: C: Broca's aphasia 
Explanation: Frontal gyrus lesion leads to Broca's aphasia. Broca's Area o Lies in dominant inferior frontal gyrus. It is the motor speech area. Stroke of superior branch of MCA leads toBROCA'S APHASIA. Wernicke's area Lies in dominant posterior pa of superior temporal gyrus. It is a sensory speech area. Nominal aphasia is seen in Metabolic encephalopathy. Akinetic mutism is seen in Frontal lobe lesion.