« previous next »

Author Question: In a myelinated axon, action potentials are produced a. only at the axon hillock. b. only at the ... (Read 312 times)

madam-professor

  • Hero Member
  • *****
  • Posts: 584
on: Jun 21, 2018
In a myelinated axon, action potentials are produced
 
  a. only at the axon hillock.
 b. only at the axon hillock and at the nodes of Ranvier.
 c. along the entire length of the axon membrane.
 d. only under segments of myelin.

Question 2

Action potentials only go in one direction, away from the cell body, because
 
  a. the adjacent prior segment of axon is still at +40mV.
 b. voltage-dependent gates are limited in the frequency with which they can open.
 c. the adjacent prior segment is still in refractory period.
 d. the action potential temporarily disables the sodium-potassium pumps.


AmberC1996

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jun 21, 2018
Answer to Question 1

b

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

madam-professor

  • Hero Member
  • *****
  • Posts: 584
Reply #2 on: Jun 21, 2018
Thank you


AmberC1996

  • Sr. Member
  • ****
  • Posts: 317
Reply #3 on: Jun 21, 2018
No problem :)


« previous next »
 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Action of an Osmoreceptor Action of an Osmoreceptor
Action of Satiety Signals on Hypothalamic Neurons Involved in Control of Hunger and Satiety Action of Satiety Signals on Hypothalamic Neurons Involved in Control of Hunger and Satiety
Brachiation in Action Brachiation in Action
Mechanisms of Action of Drugs Used for Heart Failure Mechanisms of Action of Drugs Used for Heart Failure
Mechanisms of action of anticoagulants. Mechanisms of action of anticoagulants.
Propagation of an action potential Propagation of an action potential
Video: Asthma Treatment

For a complete list of videos, visit our video library