Author Question: The primary feature of a neuron that prevents the action potential from traveling back from where it ... (Read 94 times)

kwoodring

  • Hero Member
  • *****
  • Posts: 560
The primary feature of a neuron that prevents the action potential from traveling back from where it just passed is the ____.
 
  a. concentration gradient
 b. refractory period
 c. sodium potassium pump
  d. phospholipid bilayer

Question 2

The brain can anticipate an osmotic need before the rest of the body actually experiences it ____.
 
  a. through the change in blood pressure
 b. because the stomach can detect high levels of sodium
 c. through detection of highly concentrated urine
 d. because of the rate of vasopressin release



Madisongo23

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

b

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

For a complete list of videos, visit our video library