Homeostasis- kidney

Question 1

Define osmoregulation

Answer 1

Control of the blood water potential

Question 2

Describe the overall role of the kidney

Answer 2

Produce urine
Removes urea, excess salt and excess water from the body

Question 3

Describe what happens in the renal capsule (glomerulus and Bowman’s capsule)

Answer 3

Ultrafiltration
Blood under high hydrostatic pressure (created by left ventricle) enters glomerulus
Small molecules are forced out of blood and into the Bowman’s capsule

Question 4

Label the structures A-D

Answer 4

A = Glomerulus
B= Bowman’s capsule
C = Afferent arteriole
D = Efferent arteriole

Question 5

Name 5 molecules found in the glomerular filtrate

Answer 5

Water
Urea
Salt
Glucose
Amino acids
Fatty acids
Glycerol
Mineral ions

Question 6

Name three structures that remain in the blood during ultrafiltration

Answer 6

Red blood cells
White blood cells
Platelets
Large proteins

Question 7

Name structures A-C

Answer 7

A = Bowman’s capsule
B = Distal convoluted tubule
C = Collecting duct

Question 8

Name structures A-C

Answer 8

A = Glomerulus
B = Proximal convoluted tubule
C = Loop of Henle