2nd semester: Renal 4

Question 1

is Na reabsorption in the late segment of proximal tubule coupled to Cl?

Answer 1

yes

Question 2

the major physiologic regulator of K secretion is

Answer 2

plasma K concentration

Question 3

Na-glucose site

Answer 3

proximal tubule

Question 4

1Na-1K-2Cl symporter site

Answer 4

thick ascending limb of henle

Question 5

epithelial Na channel site

Answer 5

collecting duct

Question 6

burn (dehydration less than 5%)

Answer 6

no effect on ADH secretion

Question 7

hyperosmotic dehydration

Answer 7

increase ADH secretion

Question 8

adrenal insufficiency

Answer 8

decrease ADH secretion

Question 9

nephrogenic diabetes insipidus

Answer 9

increase ADH secretion

Question 10

SIADH

Answer 10

increase ADH secretion

Question 11

NaCl symporter site

Answer 11

early distal tubule

Question 12

magnesium reabsorption in the proximal tubule is_____ magnesium reabsorption in the loop of henle

Answer 12

less than

Question 13

total body water of an average male is ______ total body water of average infant

Answer 13

greater than

Question 14

NaCl reabsorption in the early segment of the proximal tubule is_____NaCl reabsorption in the late segment of the proximal tubule

Answer 14

less than

Question 15

osmolarity of tubular fluid in the proximal tubule in the presence of ADH is ______ osmolarity of tubular fluid in the proximal tubule in the absence of ADH

Answer 15

the same

Question 16

filtration rate of hydrogen is_____ excretion rate of hydrogen

Answer 16

less than

Question 17

urine osmolarity in patients with diabetes insipidus is_____ urine osmolarity in patients with SIADH

Answer 17

less than