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Home Q & A Board Biology-Related Homework Help General Biology
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gardenlife1 gardenlife1
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Posts: 42
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9 years ago
a) an decrease in amplitude of action potentials in a neuron
b) an shorter duration of the action potential in a neuron
c) a increase in action potential frequency in a neuron
d) none of the above

This for physiology of organisms class.  I know its not a or c but can't seem to find the answer.
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10 Replies
Replies
wrote...
#1
Staff Member
9 years ago
I'm going with A.
- Master of Science in Biology
- Bachelor of Science
gardenlife1 Author
wrote...
#2
9 years ago
I thought the amplitude was affected by increase or decrease in stimulus.
wrote...
#3
Staff Member
9 years ago
So, are you going to go with A?
- Master of Science in Biology
- Bachelor of Science
gardenlife1 Author
wrote...
#4
9 years ago
No because it doesn't seem correct.  Can you explain why choose a?
wrote...
#5
Staff Member
9 years ago
I just assumed that less intensity leads to a smaller amplitude in the action potential wave. The strength of the stimulus must be very high in oder to ensure that the duration of the action potential is as short as the duration of the absolute refractory period. A stronger than normal stimulus is required to overcome the relative refracctory period.

Now I'm confused.
- Master of Science in Biology
- Bachelor of Science
gardenlife1 Author
wrote...
#6
9 years ago
Sorry, I made a mistake on my first reply.  I know that the amplitude isn't affected by increased in intensity.  It just increases the number of action potentials.
Answer accepted by topic starter
iMMORTAL153iMMORTAL153
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#7
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9 years ago
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gardenlife1 Author
wrote...
#8
9 years ago
I think its d too so that's what I'm going with.  Thank you
wrote...
#9
Staff Member
9 years ago
Glad you found the correct answer...
- Master of Science in Biology
- Bachelor of Science
gardenlife1 Author
wrote...
#10
9 years ago
Thank you for your help.
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