Author Question: Why is a buffer system such as phosphate considered a closed system? a. All the components remain ... (Read 79 times)

saliriagwu · **on:** Jul 16, 2018

Why is a buffer system such as phosphate considered a closed system?

a. All the components remain in the system.
b. It has limited utility in buffering acids.
c. Its ability to buffer volatile acids is in-complete.
d. Once its buffer level is established, it will never change.

Question 2

What is the sum of all blood buffers in 1 L of blood?

a. Buffer base
b. Base excess
c. Standard bicarbonate
d. Base deficit

bigsis44 · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: A
A nonbicarbonate buffer system is called a closed buffer system because all the components of acid-base reactions remain in the system.

Answer to Question 2

ANS: A
The blood buffer base is the sum of bicarbonate and nonbicarbonate bases measured in mmol/L of blood.