Author Question: Which statement characterizes the absolute refractory period? A) The neuron cannot fire again ... (Read 65 times)

ss2343

  • Hero Member
  • *****
  • Posts: 548
Which statement characterizes the absolute refractory period?
 
  A) The neuron cannot fire again because the potassium channels are unable to open
  B) The neuron cannot fire again because the sodium channels are unable to open
  C) The neuron can fire again but only to a stronger than threshold stimulus
  D) The neuron can fire again but only at a much slower rate

Question 2

The gourmet diner who wants to play Russian roulette with his or her dinner might choose to dine on ___, which if improperly prepared might contain a powerful and fatal neurotoxin called tetrodotoxin.
 
  A) fugu
  B) sushi
  C) umami
  D) focaccia



amandalm

  • Sr. Member
  • ****
  • Posts: 306
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

For a complete list of videos, visit our video library