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* qqqqq5
 #848154  
  yousmle99 - 02/13/18 15:24
 
  A treatment that helps alleviate the symptoms of all the porphyrias is

(A) ingestion of carefully regulated levels of lead to inhibit 8-aminolevulinic acid (ALA) synthase
(B) avoidance of sunlight
(C) intravenous injection of hemin
(D) bleeding
(E) administration of barbiturates
 
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* Re:qqqqq5
#3360711
  crossover - 02/13/18 17:10
 
  heme and glucose will inhibits ALA synthase.
so C
 
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* Re:qqqqq5
#3360760
  yousmle99 - 02/14/18 06:34
 
  Right ,its C. hemin and or glucose can inhibit rate limiting step in heme synthesis--> decrease build up of culprit intermediates. Although lead can also block rate limiting step but its not good choice as can be toxic.  
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* Re:qqqqq5
#3360829
  crossover - 02/14/18 17:02
 
  thanks  
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