r? barrie 11. which is true otective device or the brain.the endothelial cell wa

Question

r? barrie 11. which is true otective device or the brain.the endothelial cell walls of It is a protective device for the tfed Dy a glal sheath. B. C It is created by tight ga rain, fortifed by tight gap bri, fortifie that serve the brain, fortified by a gliall o nars thar serht g3e junctions betveen the e D. A& B E. B&C; of schizophrenia, which is 12. According to the dopamine hypothesis ikely change synaptic activity in the WRONG direction (make sug would worse) if improvement in psychotic symptoms were the treatment A. L-DOPA B. cocaine C. amphetamine D. A&EB; E. A&C; F. A, B&C; An important difference between typical & atypical neuroleptics, in general, is that A typical neuroleptics do not treat the positive symptoms of schizophrenia B. atypical neuroleptics do not treat the positive symptoms of 13. C. D. E. F. schizophrenia typical neuroleptics are less likely to induce motor side effects atypical neuroleptics are less likely to induce motor side effects A & C A&D; B& C B&D; G. H. 14. Tetrodotoxin (ITTX) from the ovaries of a pufferfish (see below!) in neuronal fring by directly blocking the channels on a ?.?. B. Na* C. Ca*2 D. Ch E. A& B F. A, B, C &D;

Explanation / Answer

Ans 11 : E) B & C

The blood brain barrier is the protection for the brain. It is a type of semipermeable membrane which seperates blood from cerebrospinal fluid. It is a tight gap junction that allows the movement of small molecules , fat soluble molecules etc. It is the barrier that keeps the brain safe.

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