Week 4 HUMAN A&P
1. What specific part of the kidney does the dialysis tubing represent? What is this part’s function?
3. Why is it important that the kidney filters the blood?
4. If you were a doctor and a patient’s urinalysis came back with high level of glucose, ketones and an acidic pH, what diagnosis would you immediately look into?
5. If you were a doctor and a patient’s urinalysis came back with an alkaline pH and high levels
of protein, what diagnosis would you immediately look into?
6. What other things can urine be used to test for?.
1. What are the three processes that take place in the nephron to produce urine?
2. Where does Filtration take place? What is filtered? Describe the process of filtration.
3. Which substances are not filtered, and simply stay in the blood vessels? Why are they not filtered?
4. Describe the process of Reabsorption. Why are substances reabsorbed?
5. Where in the nephron does Reabsorption take place? What is reabsorbed in each location?
6. If a substance is not Reabsorbed, where does it end up?
7. Describe the process of Secretion. Where does Secretion take place?
8. Which substances are Secreted? Why are these substances secreted?
9. How are Reabsorption and Secretion rates controlled by the body?
10. Describe what happens in the Collecting Ducts when the body is dehydrated.
11. Describe what happens in the Collecting Ducts when the body is over-hydrated.
12. The kidneys have a strong influence over both blood volume and urine volume. Do these two volumes tend to have a direct or an inverse relationship to one another? Explain.
