Renal

Question 1

How does auto regulation respond to a rise in blood pressure?

Answer 1

The afferent arteriole is constricted to limit blood flow

Question 2

How does auto regulation respond to a decrease in blood pressure?

Answer 2

The afferent arteriole is dilated to increase blood flow

Question 3

What are the renal nerves and what do they do?

Answer 3

Autonomic Sympathetic nerves vasoconstrict

Autonomic parasympathetic nerves vasodilate

Question 4

What are the humoral factors that have an effect on renal blood flow?

Answer 4

Vasopressin, angiotensin II and adrenalin vasoconstrict the afferent arteriole
Dopamine dilated the afferent arteriole

Question 5

How is the kidney’s blood flow regulated?

Answer 5

Autoregulation
Renal nerves
Humoral factors in the blood

Question 6

What is reabsorbed in the PCT?

Answer 6

All of glucose, amino acids and lactate.

Two thirds of sodium, potassium, chloride, bicarbonate and water

Question 7

What is water reabsorption in the PCT called and why?

Answer 7

The obligatory phase because water reabsorption is not independently regulated, it follows the reabsorbed NaCl.