Acid-Base Balance - MECHANISMS THAT CONTROL pH OF BODY FLUIDS Flashcards
The pH scale is expressed as what?
a negative logarithm of hydrogen ion concentration of solution (for example 10-7 of H+ is stated as 7)
What is formed by aerobic glucose metabolism?
Carbonic acid
What is formed by anaerobic glucose metabolism?
Lactic acid
What is formed by oxidation of sulfur-containing amino acids?
Sulfuric acid
What is formed in breakdown of phosphoproteins and ribonucleotides?
Phosphoric acid
What is formed in breakdown of fats?
Acidic ketone bodies
Acidic ketone bodies - formed in breakdown of fats. There are 3 of them. What are they?
a. Acetone
b. Acetoacetic acid
c. Beta-hydroxybutyric acid
Sources of pH-influencing elements. There are 5 of them. What are they?
Carbonic acid Lactic acid Sulfuric acid Phosphoric acid Acidic ketone bodies
Acid-forming potential of foods is determined by what 3 elements?
chloride, sulfur, and phosphorus content
What are the 3 Types of pH control mechanisms?
Chemical (rapid action buffers)
Physiological (delayed action buffers)
Summary of pH control mechanisms
Bicarbonate buffer system. Belongs to what group?
A. Chemical (rapid action buffers)
B. hysiological (delayed action buffers)
C. Summary of pH control mechanisms
A. Chemical (rapid action buffers)
Buffers. Belongs to what group?
A. Chemical (rapid action buffers)
B. Physiological (delayed action buffers)
C. Summary of pH control mechanisms
C. Summary of pH control mechanisms
Renal response. Belongs to what group?
A. Chemical (rapid action buffers)
B. Physiological (delayed action buffers)
C. Summary of pH control mechanisms
B. Physiological (delayed action buffers)
Respiration. Belongs to what group?
A. Chemical (rapid action buffers)
B. Physiological (delayed action buffers)
C. Summary of pH control mechanisms
C. Summary of pH control mechanisms
Phosphate buffer system. Belongs to what group?
A. Chemical (rapid action buffers)
B. Physiological (delayed action buffers)
C. Summary of pH control mechanisms
A. Chemical (rapid action buffers)