CH 24 Part 1

Question 1

Which structure of the nephron is largely confined to the renal medulla? Why?***

Answer 1

1. Loop of Henle

2. To maintain osmotic gradient

Question 2

The glomerulus filters by?

Answer 2

Size

Question 3

Anything that we want to be urine goes to the?

Answer 3

Capsular space

Question 4

Anything we don’t want to be urine stays in the?

Answer 4

Glomerulus

Question 5

Name 1 substance that can pass through the glomerulus?***

Answer 5

Water

Question 6

Name 1 substance that can not pass through the glomerulus?***

Answer 6

Proteins

Question 7

Starting in the afferent arterial and ending in the CT duct what is the order a filtrate passes through?***

Answer 7

1. Glomerulus
2. PCT
3. Loop of Henle
4. DCT
5. CT

Question 8

Reabsorption is (order)?

Answer 8

Filtration to blood

Question 9

Secretion is (order)?

Answer 9

Blood to filtrate

Question 10

Function of PCT area?

Answer 10

Reabsorb glucose

Question 11

Function of loop of Henle?

Answer 11

To create concentration gradient between the inner medulla and outer cortex

Question 12

Function of DCT?

Answer 12

sodium chloride reabsorption, potassium secretion, and calcium and magnesium handling

Question 13

Filtration membrane has ___ layers.

Answer 13

3

Question 14

Filtration membrane layers deep to superficial?

Answer 14

1. Endothelium of glomerulus
2. Basement membrane
3. Visceral layer of glomerular capsule

Question 15

Endothelium of glomerulus layer function?

Answer 15

Filter dissolved substances. Like plasma.

Question 16

Visceral layer of glomerular capsule has?

Answer 16

Podocytes

Question 17

What is the force used for filtration?

Answer 17

blood pressure as it enters the glomerulus

Question 18

Items that are to big to be filtered into urine leave through the?

Answer 18

efferent arterial

Question 19

What is oxygen reserve?

Answer 19

The O2 remaining bound to hemoglobin after passing through systemic circulation