H2S inhibits which complex of the electron transport chain?
AComplex I
BComplex II
CComplex III
DComplex IV
Which poison shows cherry red discoloration of blood but normal PaO2 on blood gas analysis?
ACyanide
BHydrogen sulfide
CCarbon monoxide
DNitrites
Which of the following causes hypoxic hypoxia?
APneumonia
BHCN poisoning
CCO poisoning
DCirculatory shock
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