Lecture 14: Body Fluids

Question 1

Name the anatomical parts of the kidney

Answer 1

Capsule, Renal cortex (Bowman’s capsule, PCT and DCT), Renal medulla (renal pyramids), Renal pelvis (major/minor calyces)

Question 2

Cortical nephrons

Answer 2

Glomeruli are located in outer cortex and have short loops of Henle

Question 3

Juxtamedullary nephrons

Answer 3

Glomeruli are located deep in renal cortex near medulla and have long loops of Henle; have long efferent arterioles associated with peritubular capillaries

Question 4

About how much of the total cardiac output do the kidneys receive?

Answer 4

1100 ml/min

Question 5

How do efferent arterioles help regulate hydrostatic pressure in capillaries?

Answer 5

High hydrostatic pressure in glomerular capillaries causes rapid fluid filtration; Low hydrostatic pressure in peritubular capillaries permits rapid fluid reabsorption

Question 6

List the blood flow to the kidney

Answer 6

Rental artery, interlobar arteries, arcuate arteries, intralobar arteries, afferent arterioles, glomerular capillaries

Question 7

List the blood flow from the kidney

Answer 7

Efferent arterioles, peritubular capillaries, intralobar veins, arcuate veins, interlobar veins, renal veins