Questions 1 Through 6: Use letters from the following diagram:
1. Most parts of the nephrons are in this area.
2. The collecting tubes and long loops are in this area
3. The renal pyramid.
4. The calyx
5. The renal pelvis.
6. One of these collects urine from each renal papilla.
7 through 16: Answers based on the following nephron diagram:
7. The efferent arteriole: (A) 4, (B) 5, (C) 6, (D) 13.
8. This is composed of podocytes which wrap around capillaries.
(A) 1, (B) 3, (C) 11, (D) 13.
9. Filtration carries substances from:
(A) 2 to 6, (B) 6 to 2, (C) 7 to 13, (D) 9 to 11.
10. Which arrow (A,B,C,D,E) indicates the process of secretion?
11. Which arrow (A,B,C,D,E) indicates the facultative reabsorption of water?
12. What hormone controls the process described in Question #11?
13, 14. In the countercurrent multiplier for water reabsorption, salt reabsorbed from
(13) causes increased water to be reabsorbed from (14) .
[Use numbers from diagram]
15. Most (65%) water is reabsorbed from here. [Use number from diagram]
16. Which parts make contact in the juxtaglomerular apparatus. [Use numbers from diagram]
Answers:
1. E
2. D
3. D
4. A
5. B
6. A
7. B
8. A
9. B
10. B
11. D
12. ADH
13. C
14. E
15. 7
16. 4,5,8