This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
. Brocas aphasia is? 
Select and explain. 
A. Fluent aphasia, B. Non fluent aphasia, C. Sensory aphasia, D. Conduction aphasia
B: Non fluent aphasia
Answer: B: Non fluent aphasia 
Explanation: *Speech output is sparse (nonfluent), slow, labored, interrupted by many word- finding pauses, and usually dysahric; output may be reduced to a grunt or single word. Ref Harrison20th edition pg 2678