« previous next »

Author Question: When the potential across a membrane reaches threshold, the sodium channels ____. a. open to let ... (Read 124 times)

lb_gilbert

  • Hero Member
  • *****
  • Posts: 588
on: Jun 22, 2018
When the potential across a membrane reaches threshold, the sodium channels ____.
 
  a. open to let sodium enter the cell rapidly
 b. close to prevent sodium from entering the cell
  c. open to let sodium exit the cell rapidly
 d. close to prevent sodium from exiting the cell

Question 2

Your posterior pituitary is most likely to release antidiuretic hormone (ADH) ____.
 
  a. if you are very thirsty
 b. shortly after drinking a large glass of water
 c. if you are very hungry
 d. shortly after eating a large meal


shaquita

  • Sr. Member
  • ****
  • Posts: 324
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?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Ion channels in myocardial cells Ion channels in myocardial cells
Action potential conduction in unmyelinated axons. Action potential conduction in unmyelinated axons.
A CO2 fire extinguisher being used on a fire set in an open drum during a demonstration at a fire ... A CO2 fire extinguisher being used on a fire set in an open drum during a demonstration at a fire ...
Block open the throttle (and choke, if the engine is equipped with a carburetor). Here a screwdriver ... Block open the throttle (and choke, if the engine is equipped with a carburetor). Here a screwdriver ...
Fracture and Repair of Bone Open (Compound) Fracture and Repair of Bone Open (Compound)
Familial Risks for Multifactorial Threshold Traits Familial Risks for Multifactorial Threshold Traits
Video: Interpreting a cladogram Animation

For a complete list of videos, visit our video library