Flow down gradients Pre-learning

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By PlayfulHarmony

Quiz

Flashcards

26 Questions

Which of the following factors determines the amount of flow in a system?

What is the driving force for the flow of a substance in a system?

What is the relationship between the energy gradient and the flow in a system?

Which law describes the flow of gases and fluids through 'large tubes'?

What law determines the rate of flow through a tube?

What parameter causes the flow of gas or liquid from one point to another in a tube?

What is the most likely cause of Robert's shortness of breath?

Which of the following best explains Robert's foot swelling?

Which law describes the flow of fluid through rigid, simply-shaped tubes with non-turbulent flow?

Which factor is the most important determinant of resistance in Poiseuille's law?

Which law quantifies how the rate of diffusion is affected by concentration gradient, membrane surface area, and membrane thickness?

Which factor affects the flow/flux of solutes through capillaries, substances through cell membranes, and oxygen and carbon dioxide from alveolus to blood?

Which law describes the movement of a solute or a gas in a gas mixture from an area of high concentration to low concentration across a barrier?

Which factor increases the constant in Fick's law?

According to Fick's law, the rate of diffusion depends on all of the following factors except....

Which of the following is true about cells specialized for transporting large amounts of solute?

Which of the following is true about diffusion in physiological situations?

According to Ohm's law, the current (I) across a membrane is defined by which equation?

Which of the following is true about resistance in the context of Ohm's law?

According to Ohm's law, the current (I) decreases when which of the following factors increases?

Which equation represents Poiseuille's law for flow through a tube?

What does hydrostatic pressure represent in Poiseuille's law?

What happens to flow when the radius of the tube/vessel increases?

What happens to flow when the length of the tube/vessel increases?

What happens to flow when the viscosity of the fluid increases?

How does resistance change if the radius of the tube/vessel decreases by half?

Description

Test your understanding of Poiseuille's law and its limitations with this quiz. Explore the caveats associated with this law, including its accuracy for different tube shapes, fluid flow conditions, and flexibility of tubes. Discover the impact of these variations on the calculation of resistance and the role of tube radius.

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