Which of the following are components of the body's nonbicarbonate buffer system? 1. Hemoglobin 2. Plasma proteins 3. Organic phosphates 4. Inorganic phosphates
a. 1, 2, and 3 only
b. 2 and 4 only
c. 3 only
d. 1, 2, 3, and 4
ANS: D
The nonbicarbonate buffer system consists mainly of phosphates and proteins, including hemo-globin.
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