What substances are filtered out of blood at glomerulus

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Assignment:

Questions:

1. What substances are being filtered out of the blood at the glomerulus, and which substances stay in the blood?

2. Look closely at the picture. What seems to determine whether a substance stays in the blood or is filtered out into the glomerular capsule?

3. Label the filtrate in the drawing. Provide a definition in your own words for what filtrate is.

4. Does it appear that a concentration gradient is driving the movement of substances from the glomerulus to the glomerular capsule? Why or why not?

5. What do you notice about the diameter of the efferent arteriole as compared to the diameter of the afferent arteriole? How would this affect pressure in the glomerulus?

6. Hypothetical: What would happen to pressure in the glomerulus if the efferent arteriole had a diameter equal to that of the afferent arteriole?

7. Provide an explanation for what drives substances out of the blood and into the glomerular capsule. Be sure to discuss the relative diameters of the efferent and afferent arterioles in your explanation.

Reference no: EM133290655

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