Exam 6: Interactions Between Cells and The Extracellular Environment

One mole of solute per liter depresses the freezing point of water by -1.86 ^$\circ$ C.

The osmolality of plasma is

Facilitated diffusion is unable to transport molecules against a concentration gradient.

Poisoning the Na⁺/K⁺ pump would

The primary intracellular cation is

The calcium pump is also an ATPase enzyme.

Simple diffusion is the net diffusion of a solvent.

Solutes that cannot freely pass through a membrane are said to be

Edema will result if a person has an abnormally low concentration of plasma proteins.

What is necessary for a target cell to respond to a cell signaling molecule?

The sodium equilibrium potential using an extracellular Na⁺ concentration of 145 mEq/L and an intracellular concentration of 14 mEq/L would be about

____________________ is a term which describes a membrane that allows only certain molecules to penetrate it.

Glycosuria occurs when the ____________ of the renal glucose transport protein is exceeded.

Which of the following cells do NOT normally have many aquaporins in their plasma membranes?

The osmotic pressure of a solution is directly related to its ___________ concentration.

Whose equation allows one to calculate equilibrium potential for a particular ion?

Which of the following is NOT a G-protein?

___________ g of sucrose (molecular weight = 342g) would be added to 1L of water to produce a 2.5 Osm solution.

What type of intravenous fluid would be given to reduce edema?

Active transport proteins are often regulated by phosphorylation.