Module 8

Question 1

What are the areas of the kidney?

Answer 1

Outer cortex

Inner medulla

Question 2

How is the medulla arranged?

Answer 2

Lobules or pyramids

Question 3

What is the functional unit of the kidneys? What does it do?

Answer 3

Nephron

Filters plasma and reabsorbs useful components

Question 4

What are the two main parts of the nephron?

Answer 4

Renal corpuscle- filtration

Renal tubule- reabsorption and excretion

Question 5

What are the parts of the renal corpuscle?

Answer 5

Glomerulus

Bowman’s capsule

Bowman’s space

Question 6

What are the poles of the renal corpuscle?

Answer 6

Vascular- blood supply

Urinary- renal tubule

Question 7

What are the parts of the renal tubule?

Answer 7

Proximal convoluted tubule (PCT)- cuboidal cells with microvilli brush border, active excretion

Loop of Henle- in medulla/medullary ray

Distal convoluted tubule (DCT)- cortex, cuboidal cells without microvilli, sodium reabsorption

Question 8

What epithelium is present in the collecting tubules? What is its function? Where is it found?

Answer 8

Cuboidal-columnar

Reabsorption of water

In medulla/medullary rays

Question 9

What is the epithelium of the bladder?

Answer 9

Transitional

Question 10

What is the function of the urinary system?

Answer 10

Water and electrolyte or acid-base balance

Stabilizing BP

EPO secretion

Calcium balance regulation