Kideny Structure & function

Question 1

Kidney’s account for

Answer 1

~1% body weight

Question 2

% cardiac output kidney’s receive?

Answer 2

25%

Question 3

The function of kidneys

Answer 3

filter blood

Question 4

What is the area of the kidney where the rental pyramid drains into

Answer 4

Renal papilla

Question 5

Functional units of kidneys

Answer 5

Nephrons

Also known as renal tubules/kidney tubules

Question 6

Each nephron is an

Answer 6

intricate epithelial tube

Question 7

How many nephrons per kidney?

Answer 7

~1.25 million

Question 8

The lining of the nephron wall is

Answer 8

Simple cuboidal epithelium - one cell thick

Specialised for absorption and secretion of material

Question 9

The glomerular capsule can be called

Answer 9

Bowman’s capsule

Question 10

Cell specialisation of the nephron

Answer 10

Microvilli pm inner surface - absorption of ion and water transport.
Tight junctions - restricts diffusion between lumen & extracellular space

Question 11

Two functions of kidney’s

Answer 11

absortiotion

secreteion

Question 12

The kidneys absorb into the blood

Answer 12

water
nurtients
ions (Na+, Cl-, HCO3-)

Question 13

Kidney’s secreting from the blood

Answer 13

Ions (H+, K+, NH4+)

Question 14

Filtration membrane of capiliarries of glomarulas

Answer 14

Basement membrane

Fenestrated capillary endothelium