Physioex 8.0 Essay

Site Name: PhysioEx 8. 0Author Name: Stabler, ZaoLocation on Site: Exercise > Lab Quiz 100% Correct of 20 items:20 Correct: 100%0 Incorrect: 0% Submitted on Sun Sep 27 2009 15:44:17 GMT-0600 (Mountain Daylight Time) ————————————————————————–Question 1 Differential permeability can also be described as: Correct: the allowance of only certain substances to pass through a membrane without hindrance. Compare the molecule size and the MWCO for the membrane. ————————————————————————-Question 2 Passive transport includes which of the following processes? Correct: Osmosis Passive transport includes osmosis. ————————————————————————–Question 3 Refer to Activity 1: Simulating Dialysis (Simple Diffusion). Which of the following passed through the 20 MWCO membrane? Correct: Water Water is the only substance small enough to pass through the membrane. ————————————————————————-Question 4 Refer to Activity 1. Which solute(s) passed through the 100 MWCO membrane? Correct: Na+ and urea ————————————————————————–Question 5 Refer to Activity 1. Which solute demonstrated the highest diffusion rate through the 100 MWCO? Correct: Na+ ————————————————————————–Question 6 Refer to Activity 2: Simulating Facilitated Diffusion.

Which solute(s) were able to travel against their concentration gradients? Correct: None could travel against their concentration gradient. ————————————————————————–Question 7 Refer to Activity 2. One way that the rate of glucose transport could be increased is: Correct: Increase the concentration of glucose ————————————————————————–Question 8 Refer to Activity 2.

Which of the other solutes affected the rate of glucose diffusion? Correct: None of the solutes affected the diffusion rate of glucose. ————————————————————————–Question 9 Refer to Activity 3: Simulating Osmotic Pressure. Under which type of transport process is osmosis included? Correct: Simple diffusion ————————————————————————–Que