Nerve Firing Questions


Baronet Despard Murgatroyd has been found dead in his library. There is no sign of violence, but his body is contorted, his muscles stiff and contracted, and his face frozen in a grimace of terror. The detective suspects poison, and has come up with a list of four possible poisons. Evaluate them and explain why you think they could or could not have caused the baronet's death.


a. Tetrodotoxin (blocks Na+ gates)




b. an injection of Potassium




c. Acetylcholinesterase inhibitor




d. epinephrine

Nerve Firing Questions Key