Which statement characterizes the absolute refractory period?
A) The neuron cannot fire again because the potassium channels are unable to open
B) The neuron cannot fire again because the sodium channels are unable to open
C) The neuron can fire again but only to a stronger than threshold stimulus
D) The neuron can fire again but only at a much slower rate
Question 2
The gourmet diner who wants to play Russian roulette with his or her dinner might choose to dine on ___, which if improperly prepared might contain a powerful and fatal neurotoxin called tetrodotoxin.
A) fugu
B) sushi
C) umami
D) focaccia
