Exam 3B And 4A ( 15 P2&3 AND 16-18

Question 1

The urinary system (mainly the kidney)

                  select all that apply   regulates plasma concentrations of  electrolytes.

contributes to stabilizing blood pH.
regulates blood volume by removing RBCs from circulation.

Answer 1

regulates plasma concentrations of electrolytes.
AND contributes to stabilizing blood pH.

Question 2

Glomerulonephritis (Bright’s disease) is an inflammation of the _______ of the kidney

glomeruli
nephrons
renal tubules
Bowman’s capsule
peritubular capillaries

Answer 2

glomeruli

Question 3

GFR is

Answer 3

Glomerular Filtration Rate

(GFR)

Question 4

True or false homeostasis requires a constant GFR

Answer 4

True

Question 5

When GFR too high…..

Answer 5

Useful substances are lost to do the speed of fluid passage through nephron

Question 6

When GFR too low….

Answer 6

sufficient waste products may not be removed

Question 7

Transport maximum are important because

Answer 7

Each type of symporter has an upper limit on how fast it can work

Question 8

Explain the difference between facultative and obligatory water reabsorption.

Answer 8

Facultative reabsorption is reabsorption of the final water in collecting duct under the control of ADH (antidiuretic hormone) while

Water is obliged following solutes