Card 11 / 24: What is the mechanism of action of Fipronil (Frontline)?
A)
Fipronil inhibits the oxidation of NADH to NAD+ which leads to an energy deficiency in cells.
B)
Fipronil binds to the membrane lipid phase near the Na+ channel.
C)
Fipronil inhibits Na+ influx and K efflux
D)
Fipronil noncompetitively binds GABA receptors and blocks Cl- influx
E)
Fipronil is an AchE inhibitor
Answer:
D) Fipronil noncompetitively binds GABA receptors and blocks Cl- influx
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