16.8 - Reabsorption by the Proximal Convoluted Tubule

Question 1

What are the adaptations of epithelial cells in the proximal convoluted tubule?

Answer 1

Microvilli

Question 2

What is the function of microvilli in the PCT?

Answer 2

Increase surface area for reabsorption

Question 3

What is the function of basal infoldings in the PCT?

Answer 3

Increase surface area for moving substances into capillaries

Question 4

What is the function of numerous mitochondria in the PCT?

Answer 4

Provide ATP for active transport

Question 5

What is the function of co-transporter proteins in the PCT?

Answer 5

Co-transport substances from filtrate into cells

Question 6

What substances are reabsorbed in the PCT?

Answer 6

Glucose

Question 7

What is the reabsorption process in the PCT?

Answer 7

Na+ actively transported

Question 8

What is the role of the distal convoluted tubule (DCT)?

Answer 8

Final adjustments to filtrate content

Question 9

What is the reabsorption process in the DCT?

Answer 9

Reabsorption of useful substances

Question 10

What adaptations does the DCT have?

Answer 10

Microvilli and mitochondria

Question 11

What influences adjustments made in the DCT?

Answer 11

Hormones