PHG402-Lecture 2 Quiz

•ataxia, weakness, dizziness & a sense of dissociation followed by complete paralysis can be caused by

• Brevetoxin

• Tetrodotoxin

• Ciguatoxin

• palytoxin

TTX molecule contains a positively charged ............................. and imitates the hydrated sodium cation

• potssium

• calcium

• guanidinium group

• nitrogen

Treatment of Tetrodotoxin toxicity involves

• alpha-adrenergic antagonist

• mannitol i.v

• mechanical ventilation

• TTX antidote

Saxitoxin can be oxidized and inactivated in

• slightly acidic

• neutral medium

• acidic medium

• alkaline medium

.............................. stimulate sodium ion influx into the cells

• tetrodotoxin

• saxitoxin

• ciguatoxin

• palytoxin