Which of the following is true?
A. The resting plasma membrane is more permeable to Na+ than K+.
B. The resting membrane potential never reaches an equilibrium point.
C. The resting membrane potential is proportional to the tendency for K+ to diffuse out of the cell.
D. Negatively charged Cl- ions are attracted by negative charges in the cell.
E. The purpose of the sodium-potassium exchange pump is to create an equilibrium of ion concentrations.
C
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A red blood cell would swell if its surrounding solution were ________
Fill in the blanks with correct word
Summarize the effects of the cephalic phase, gastric phase, and intestinal phase on acid secretion by the stomach
What will be an ideal response?
Match the vessel with the appropriate description.A. Supplies blood to the frontal lobes of the brainB. A circle of arteries at the base of the brainC. Supplies large portions of the lateral cerebral cortexD. Supplies the posterior portion of the cerebrumE. Formed by the bifurcation of the abdominal aortaAnterior cerebral artery
Fill in the blank(s) with the appropriate word(s).
Postganglionic axons which do not secrete either catecholamines or acetylcholine may secrete ________.
A. nitric oxide B. vasoactive intestinal peptide C. ATP D. All of the choices are correct.