Week 6 - Control Of Plasma Osmolarity

Question 1

What happens if water intake < water excretion?

Answer 1

Plasma osmolarity increases

Question 2

What happens if water intake > water excretion?

Answer 2

Plasma osmolarity decreases

Question 3

How much do we urinate on average per day?

Answer 3

1-1.5 L

Question 4

How are osmolarity changes in the ECF measured?

Answer 4

By changes in plasma osmolarity

Question 5

What is the major cation of the ECF?

Answer 5

Na+