<prompt> Lateral surface of cerebral hemisphere is supplied mainly by?Anterior cerebral aeryMiddle cerebral aeryPosterior cerebral aeryNone of the above  <response>: The lateral surface of the hemisphere is mainly supplied by the middle cerebral aery. This includes the territories of the motor and somatosensory coices which represent the whole of the body, apa from the lower limb, and also the auditory coex and language areas.Ref: Grays anatomy 40th edition, Chapter 17. 