Excretory System

What are the two major roles of excretory system?

• Maintain osmotic balance

• Produce metabolic waste

• Remove metabolic waste from blood

• Circulate fluid in the body

What is the function of ureters?

• carries urine to the ouside of the body

• carries urine to the urinary bladder

• filter out metabolic waste in blood

Which one is the correct description of Glomerulus?

• A network of capilaries

  (a tuft/"ball" of capillaries)

• A network of kidney tubule

  (a tuft/"ball" of kidney tubule)

   

Which substance is not present in the filtrate?

• glucose

• amino acid

• plasma proteins 

• urea

What is NaCl?

• urea

• salt

• amino acid

What is the key function of promixmal distal tubule (first coiled tubule)?

• Reabsorb water and urea

• Reabsorb amino acid and glucose

• Reabsorb mineral and protein

Exrtra salt is reabsored in the ascending limb of loop of Henle by

• osmosis

• diffusion

• active transport

The amount of water being reasorbed in the collecting duct is controlled by 

• blood vessels

• motor neurons

• hormones

How many percent of urea is inside the collecting duct?

• 0%

• 50%

• 100%

Which type of dialysis need to use the dialysis machine?

• Hemodialysis

• Peritoneal dialysis