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 103 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?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

For a complete list of videos, visit our video library