Author Question: At what point do the sodium gates begin to close, shutting out further entry of sodium into the ... (Read 52 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
At what point do the sodium gates begin to close, shutting out further entry of sodium into the cell?
 
  a. at the peak of the action potential
 b. when the threshold is reached
 c. at the end of the relative refractory period
 d. when the concentration gradient for sodium is eliminated

Question 2

Which hormone, released by the posterior pituitary, both raises blood pressure and enables the kidneys to reabsorb water?
 
  a. vasopressin
  b. prolactin
 c. thymosin
 d. ACTH



jessicaduplan

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

a

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

For a complete list of videos, visit our video library