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
. Aphasia which affects the arcuate fibres is called? 
Select and explain. 
A. Global aphasia, B. Anomic aphasia, C. Conduction aphasia, D. Broca's aphasia
C: Conduction aphasia
Answer: C: Conduction aphasia 
Explanation: Harrison's principles of internal medicine 17th edition. *In conduction aphasia speech output is fluent but para phasic. The lesion sites spare Broca's and Wernicke's area but may induce a functional disconnection between the two so that lexical representation formed in Wernicke's area cannot be conveyed to Broca's area.