12 Questions
What defines osmotic pressure?
The number of particles per unit volume of fluids
Which transport process involves the movement of substances across a biological membrane from an area of higher concentration to an area of lower concentration?
Facilitated diffusion
What is the primary characteristic of active transport?
Movement from low concentration to high concentration
What is the process that involves the diffusion of a solvent through a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration?
Osmotic pressure
Which electrolyte is the chief extracellular cation?
Na+
What is the most prevalent anion in extracellular fluid?
Cl-
Which ion constitutes half of the osmolarity of extracellular fluid?
Na+
What is the second most prevalent extracellular anion?
HCO3-
What is the function of amniotic fluid?
To provide physical protection to the fetus
Which of the following describes passive transport across a membrane?
Movement from high to low concentration without needing energy
What is considered part of membrane transport processes?
Facilitated diffusion
Which fluid increases in volume with gestational age?
Amniotic fluid
Test your knowledge on facilitated diffusion and active transport across biological membranes. Learn about the movement of substances from areas of higher concentration to lower concentration with carrier proteins, and the process of moving substances against a concentration gradient using energy and specific carrier proteins.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
