If there is an increase in extracellular K+ ion concentration, the result is

A) depolarization of the plasma membrane.
B) hyperpolarization of the plasma membrane.
C) little, if any, change in the resting membrane potential of the plasma membrane.
D) all of the above


Ans: A) depolarization of the plasma membrane.

Anatomy & Physiology

You might also like to view...

Which structures in capillary beds open to allow the capillaries to perfuse with blood?

A. Metarterioles B. Thoroughfare channels C. Fenestrations D. Precapillary sphincters E. Postcapillary sphincters

Anatomy & Physiology

Describe the different types of cholinergic receptors in the nervous system. Which neurotransmitter binds to each type?

What will be an ideal response?

Anatomy & Physiology

Which of the following components is essential for a circulatory system?

a. fluid b. pump-organ c. vessels d. cells e. all of these

Anatomy & Physiology

Urine moves down the ureters into the urinary bladder due to gravitational pull alone

Indicate whether the statement is true or false

Anatomy & Physiology