This topic contains a solution. Click here to go to the answer

Author Question: The wave of absolute refractoriness that follows an action potential A) keeps the action ... (Read 101 times)

Frost2351

  • Hero Member
  • *****
  • Posts: 557
The wave of absolute refractoriness that follows an action potential
 
  A) keeps the action potential from spreading actively back along an axon towards the cell body.
  B) increases the firing rate.
  C) increases the speed of axonal transmission.
  D) produces a second, negative action potential.
  E) produces saltatory conduction.

Question 2

Neurons do not normally fire more than 1,000 times per second because
 
  A) the absolute refractory period is typically about 1 millisecond.
  B) the relative refractory period is typically about 1 millisecond.
  C) the total refractory period is typically about 1 millisecond.
  D) the sodium-potassium pump cannot repolarize the cell in less than 1 millisecond.
  E) higher rates over excite the neuron.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ksanderson1296

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A





 

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

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?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

For a complete list of videos, visit our video library