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Physioex 9 exercise 1

PHYSIO EX 1 Simulating Dialysis (Simple Diffusion) 1. Describe two variables that affect the rate of diffusion. The temperature of the solutions and the difference in concentration of the ion or molecule between the sides of the membrane 2. Why do you think the urea was not able to diffuse through the 20 MWCO membrane? …

Physio Ex 9.0 Exercise 3

Physiology Exercise 3 Activity 1 1. Explain why increasing extracellular K+ reduces the net diffusion of K+ out of the neuron through the K+ leak channels. Your answer: By increasing the extrecellular K+ the net diffiusion of K+ out the neuron through the eak channels is reduced. This is caused by the flow of ions …

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Physio Ex Lab Exercise 5 Cardiovascular Dynamics 1-4

Name: Brenna Wiley Date: 17 June 2012 Title of Lab: Lab Report 2 Physio Ex Lab Exercise 5 Cardiovascular Dynamics Learning Objectives: Activities 1-4 * To understand how blood vessel radius affects blood flow rate. * To understand how vessel radius is changed in the body. * To understand how to interpret a graph of blood …

Physiolab 9.0 Exercise 2

Exercise 2 Skeletal Muscle Physiology The Muscle Twitch and the Latent Period 1. Define the terms skeletal muscle fiber, motor unit, skeletal muscle twitch, electrical stimulus, and latent period. Motor unit- single ? motor neuron and all of the corresponding muscle fibers it innervates; all of these fibers will be of the same type Skeletal …

Physiolab 9.0 Exercise 10

ACTIVITY 1: HyperventilationAnswers 1. A substance that dissolves in water to release hydrogen (H+) ions is a(n) _______. 2. Which of the following is not a regulatory mechanism for acid/base balance in the body? a. the kidneys b. the respiratory system c. protein buffers d. the digestive system 3. The maximum pH measured during hyperventilation …

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