« previous next »

Author Question: At what point do the sodium gates begin to close, shutting out further entry of sodium into the ... (Read 53 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
on: Jun 22, 2018
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
Reply #1 on: Jun 22, 2018
Answer to Question 1

a

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

The wildcat Felis silvestris is a close relative and possible ancestor of the domestic cat. The wildcat Felis silvestris is a close relative and possible ancestor of the domestic cat.
clouded leopard (Neofelis nebulosa) - Up close clouded leopard (Neofelis nebulosa) - Up close
Formation of Sodium and Chloride Ions Formation of Sodium and Chloride Ions
The Spinal Cord, The Spinal Cord and Spinal Nerves; Close-up of the Caudal Region of the Spinal Nerv The Spinal Cord, The Spinal Cord and Spinal Nerves; Close-up of the Caudal Region of the Spinal Nerv
Effect of changing a set point for hypothalamic values Effect of changing a set point for hypothalamic values
Calculate the number of sodium ions in 0.375moles of Na2CO3.10H20 Calculate the number of sodium ions in 0.375moles of Na2CO3.10H20
Video: Oxygen - hemoglobin dissociation curve & Hemoglobin's affinity with oxygen - acidity

For a complete list of videos, visit our video library