Medical scientists usually need a doctorate degree in biological science. Some medical scientists have medical degrees. Medical scientists typically complete courses in biology, chemistry, physics, engineering, mathematics, and computer science.
Status: Medical Student (Accepted) AMCAS states that it usually takes ~4-6 weeks for verification to go through, but looking at the verification trend right now here: http://forums.studentdoctor.net/threads/2014-2015-verification-thread.1076112/ I would say you're looking at 3-4 weeks from the time of submission.
Computed tomography (CT) of the head should be performed to evaluate cerebral edema, which is well documented with acute VPA overdose. Cerebral edema is usually associated with hyperammonemia and appears within 48-72 hours after acute ingestion.