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[PhysioEX Chapter 7 exercise 3] PEX-07-03

Solved by ramonistry Exercise 7: Respiratory System Mechanics: Activity 3: Effect of Surfactant and Intrapleural Pressure on Respiration Lab Report Pre-lab Quiz Results You scored 100% by answering 5 out of 5 questions correctly. Which of the following statements about surface tension is false? You correctly answered: c. Surface tension acts to increase the size of the alveoli within the lungs. Which of the following statements about surfactant is false? You correctly answered: d. Surfactant works by increasing the attraction of water molecules to each other. Just before an inspiration begins, the pressure within the intrapleural cavity You correctly answered: b. is less than the pressure within the alveoli. The respiratory condition of pneumothorax refers to You correctly answered: c. any opening that equalizes the intrapleural pressure with the atmospheric pressure. A pneumothorax can lead to You correctly answered: b. atelectasis. Experiment Results Predict ...
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[PhysioEX Chapter 1 exercise 3] PEX-01-03

Solved by ramonistry Exercise 1: Cell Transport Mechanisms and Permeability: Activity 3: Simulating Osmotic Pressure Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. Which of the following is true of osmosis? You correctly answered: c. It is a type of diffusion. Which of the following occurs when a hypertonic solution is added to cells? You correctly answered: d. The cells shrink. The variable that affects osmotic pressure is You correctly answered: a. the concentration of nondiffusing solutes. The net movement of water would be into the cell in a You correctly answered: b. hypotonic solution. Experiment Results Predict Question: Predict Question 1: What effect do you think increasing the Na+ Cl- concentration will have? Your answer : a. increased pressure Predict Question 2: What do you think will be the pressure result of the current experimental conditions? Your answer : c. pressure above the left beaker Stop & Think Questio...
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[PhysioEX Chapter 5 exercise 4] PEX-05-04

Solved by ramonistry Exercise 5: Cardiovascular Dynamics: Activity 4: Studying the Effect of Blood Pressure on Blood Flow Rate Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. Pressure changes in the cardiovascular system primarily result from You correctly answered: b. changes in the force of contraction of the heart. What is the driving force for blood flow? You correctly answered: d. pressure gradient Which of the following is directly proportional to blood flow? You correctly answered: e. blood vessel radius and pressure gradient Arteries close to the heart need to be able to compensate for You correctly answered: c. pressure changes. Experiment Results Predict Question: Predict Question 1: What effect do you think increasing the pressure will have on the fluid flow rate? Your answer : b. The fluid flow rate will increase. Predict Question 2: Do you think a graph plotted with pressure on the X-axis and flow rate on the Y-ax...
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