« previous next »

Author Question: A neuron is unable to produce another action potential under any circumstances during the a. ... (Read 70 times)

ericka1

  • Hero Member
  • *****
  • Posts: 544
on: Jun 21, 2018
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
Reply #1 on: Jun 21, 2018
Answer to Question 1

a

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

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?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Plant apical meristems and the primary tissues they produce. Plant apical meristems and the primary tissues they produce.
Synaptic transmission. (a) Action potential reaches synapse; (b) neurotransmitter released synaptic ... Synaptic transmission. (a) Action potential reaches synapse; (b) neurotransmitter released synaptic ...
The Accessory Organs The liver, gallbladder, and pancreas produce digestive secretions that flow The Accessory Organs The liver, gallbladder, and pancreas produce digestive secretions that flow
Mechanisms of Hormone Action Mechanisms of Hormone Action
Gravitational Potential Energy Gravitational Potential Energy
Comparison of the action spectrum and the absorption spectrum Comparison of the action spectrum and the absorption spectrum
Video: Anatomy and Chemical Makeup of a Single Hair (Animation)

For a complete list of videos, visit our video library