The Average Osmotic Pressure of Blood Is About 7 Atm

Multiple Choice

The average osmotic pressure of blood is about 7 atm.Therefore

A) the average blood pressure is about 7 atm.
B) the average pressure inside the body is about 7 atm above the external pressure.
C) a pressure of about 7 atm would be required to prevent osmosis if blood is in contact with pure water across a semipermeable membrane.
D) All of these are true.