Ch 18: Online 1

Question 1

Podocytes are part of what?

Answer 1

Bowman’s capsule

Question 2

Renal filtration take place from where to where?

Answer 2

Glomerulus to Bowman’s capsule

Question 3

What is the blood pressure in the glomerulus?

Answer 3

60 mm Hg, higher than in other capillaries

Question 4

Filtration is selective in terms of what?

Answer 4

Size only

Question 5

What part of the renal tubule has microvilli?

Answer 5

Proximal convoluted tubule

Question 6

Water is reabsorbed by what process?

Answer 6

Osmosis

Question 7

What hormone increases the reabsorption of sodium ions?

Answer 7

Aldosterone

Question 8

What amount of filtrate is reabsorbed?

Answer 8

99%

Question 9

What is normal pH range

Answer 9

4.6 to 8.0

Question 10

What is average pH level?

Answer 10

6

Question 11

The specific gravity of urine is….?

Answer 11

An indication of concentration

Question 12

What do the kidneys do to help maintain normal blood pH?

Answer 12

Usually secrete hydrogen ions

Question 13

What vitamin is activated by the kidneys?

Answer 13

Vitamin D

Question 14

What hormone is secreted by the kidneys?

Answer 14

Erythropoietin, when blood oxygen decreases

Question 15

What is the internal urethral sphincter made of?

Answer 15

Smooth muscle

Question 16

Is the internal urethral sphincter voluntary or involuntary?

Answer 16

Involuntary

Question 17

What takes place from the Glomerulus to the Bowman’s capsule?

Answer 17

Renal filtration

Question 18

60 mm Hg, higher than in other capillaries, is the blood pressure of what?

Answer 18

Glomerulus

Question 19

What is selective in terms of size only in the urinary system?

Answer 19

Filtration

Question 20

What is reabsorbed by osmosis?

Answer 20

Water

Question 21

The hormone aldosterone increases the reabsorption of what?

Answer 21

Sodium ions

Question 22

Vitamin D is activated by what organ?

Answer 22

Kidneys

Question 23

Why do the kidneys secrete hydrogen ions?

Answer 23

To help maintain normal blood pH

Question 24

When do the kidneys secrete the hormone erythropoietin?

Answer 24

When blood oxygen decreases

Question 25

The hormone erythropoietin is secreated by what organ?

Answer 25

Kidneys