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

Author Question: How would the absolute refractory period be affected if voltage-regulated sodium channels failed to ... (Read 47 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
How would the absolute refractory period be affected if voltage-regulated sodium channels failed to inactivate?
 A) It would last indefinitely.
  B) It would be much briefer.
  C) It would be basically unaffected.

Question 2

Which of the following statements about the action potential is false?
 A) The rapid depolarization phase is caused by the entry of potassium ions.
  B) During the repolarization phase, sodium channels close and potassium channels open.
  C) During the depolarization phase, membrane potential becomes positive.
  D) During the hyperpolarization phase, the ion pumps re-establish the sodium and potassium concentrations across the cell membrane.
  E) Repolarization occurs as potassium ions leave the axon.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kjohnson

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

A

Answer to Question 2

A




bobbysung

  • Member
  • Posts: 519
Reply 2 on: Feb 28, 2019
:D TYSM


jamesnevil303

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

For a complete list of videos, visit our video library