Urinary/Renal system

Question 1

What is the order of the parts of the nephron

Answer 1

1. Afferent arteriole
2. glomerulus
3. bowmans capsule
4. proximal tubule
5. descending limb of loop of Henle
6. Ascending limb of loop of Henle
7. distal tubule
8. collecting tubules

Question 2

Approx how much blood flows through the kidneys per minute?

Answer 2

1200 mls

Question 3

3 things about the kindeys

Answer 3

1. the kidneys are usually located next to the vertebrae from T12 to L3
2. the kidney is retroperitoneal
3. the kidney is protected by a heavy layer of fat

Question 4

what substance most often measures kidney function?

Answer 4

creatinine

Question 5

in an average bladder, what amount of urine would cause a moderately distending sensation and desire to viod?

Answer 5

250 mls

Question 6

the mechanism for voiding starts with…

Answer 6

the relaxation of the internal sphinter

Question 7

what hormone tends to increase the amount of urine produced?

Answer 7

ANP

Question 8

what hormone tends to decrease the amount of urine produced?

Answer 8

aldosterone and ADH

Question 9

the urine is conducted from the kidney to the urinary bladder though a tube called…

Answer 9

ureter

Question 10

what are the folds in the bladder wall called?

Answer 10

rugae

Question 11

what type of epithelium does the bladder have to aid in distention?

Answer 11

transitional epithelium

Question 12

what is micturition?

Answer 12

voiding urine

Question 13

what causes the yellowish pigment of urine?

Answer 13

breakdown of old red blood cells