Author Question: A neuron is unable to produce another action potential under any circumstances during the a. ... (Read 38 times)

ericka1

  • Hero Member
  • *****
  • Posts: 544
A neuron is unable to produce another action potential under any circumstances during the
 
  a. absolute refractory period.
 b. relative refractory period.
 c. depolarization phase of the action potential.
  d. hyperpolarization phase of an action potential.

Question 2

Tetrodotoxin, the poisonous substance produced by the puffer fish, interacts with which of the following?
 
  a. sodium channels that are dependent on voltage
 b. calcium channels located at the axon terminal
 c. hydrogen channels located on postsynaptic dendrites
 d. potassium channels located on the axon membrane



deja

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

a

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

For a complete list of videos, visit our video library