7. At the beginning of the \"plumbing system\" of the urinary system, urine leav

Question

7. At the beginning of the "plumbing system" of the urinary system, urine leaving the renal papilla is collected in the cuplike structures called: a. renal columns. b. renal pyramids. c. calyces. d. ureters 8. Urine is conducted from the kidney to the urinary bladder through a tube called the: a. renal column b. renal pelvis. c. urethra. d. ureter. 9. Substances travel from the glomerulus into Bowman capsule by the process of a. diffusion. b. active transport. c. filtration. d. osmosis. 10. Of all the blood pumped per minute by the heart, approximately a. 1 b. C. 1 d. 11. Cells called podocytes make up the: parietal layer of Bowman capsule. b. a. visceral layer of Bowman capsule. glomerulus. d. c. proximal tubule. The portion of the nephron that empties into a calyx is the: a. distal tubule. b. loop of Henle. c. collecting tubule. d. proximal tubule. 12. Which of the following is not a part of the glomerular-capsular membrane? a. Parietal layer of Bowman capsule b. Visceral layer of Bowman capsule c. Glomerular endothelium 13.

Explanation / Answer

Ans:

7. The choice is (c).

CALYCES.

Urine formed in kidney passes through renal papilla and enters minor calyces. Minor calyces combine together to form Major Calyces. Major Calyces carries urine to renal pelvis and then to ureter.

8. The choice is (d).

URETER.

Ureter is the tube which connects kidney to the urinary bladder. The upper portion of ureter is in the abdomen area and lower portion is in the pelvic area.

9. The choice is (c).

FILTRATION.

Filtration or rather Ultrafiltration is the process by which the blood coming to glomerulus gets filtered and the filterate enters the Bowman's capsule.

10. The choice is (a).

1/5.

Heart pumps 5 litre of blood per minute out of which 1 litre goes to the kidney i.e 20% (1/5).

Hence the fraction is 1/5.

11. The choice is (b).

The visceral layer of Bowman's capsule.

Visceral layer which lies just above glomerular basement membrane is made up of podocytes.

12. The choice is (c).

COLLECTING TUBULE.

The Collecting Tubule collects urine from distal Tubules and empties it into calyx.

13. The choice is (a).

Parietal layer of Bowman's capsule.

Parietal layer of Bowman's capsule is the outer layer which borders the renal corpuscles.

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