Arsenic Flashcards
1
Q
Which of the orga & inorga As form is the most toxic ?
A
Inorga > Orga
2
Q
Which As compounds form is the most readily absorbed ?
A
Na3As03 > As2O3
3
Q
Main As storage place =
A
Liver & kidney
+ bone, skin, hair & horny matter
4
Q
What is the csq of the binding btw As3+ & SH ?
A
Oxidative enz inhibition - block carboH / fat metabo & cR respi
+ capillary degeneration
5
Q
Main mecha of orga As ?
A
Demyelination & axonal degeneration
Paralytuc-// CNS damage (neuritis & spinal cord damage)
6
Q
As gas w// Hb leads to :
A
Hemolysis
7
Q
Spe antidote for As poisoning ? If yes, which one ?
A
Yes, Dimercaprol, Succimer, D-penicillamine, Na2S2O3
8
Q
Which vitamins can be used in the ttt of As poisoning ?
A
Vit A, B1 & C
9
Q
A
