Which of the following statements concerning resting membrane potential is true?
A. The resting membrane potential is proportional to the tendency for K+ to diffuse out of the cell.
B. The resting membrane potential never reaches an equilibrium point.
C. Negatively charged Cl? ions are attracted by negative charges in the cell.
D. The resting plasma membrane is more permeable to Na+ than K+.
E. The purpose of the sodium-potassium pump is to create an equilibrium of ion concentrations.
Answer: A
You might also like to view...
The ____________________ fossa is medial to the lateral epicondyle of the distal anterior humerus.
Fill in the blank(s) with the appropriate word(s).
The pulmonary circuit contains about ________ percent of the total volume of blood.
A) 5 B) 15 C) 22 D) 9 E) 31
The membranous lining of the abdominal cavity is called the:
A) mediastinum B) pleura C) peritoneum D) pericardium E) periabdominus
The process of up-regulation makes target cells more sensitive to a hormone.
a. true b. false