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A&P II exam 4 > Acid-Base Balance - MECHANISMS THAT CONTROL pH OF BODY FLUIDS > Flashcards

Acid-Base Balance - MECHANISMS THAT CONTROL pH OF BODY FLUIDS Flashcards

1
Q

The pH scale is expressed as what?

A

a negative logarithm of hydrogen ion concentration of solution (for example 10-7 of H+ is stated as 7)

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2
Q

What is formed by aerobic glucose metabolism?

A

Carbonic acid

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3
Q

What is formed by anaerobic glucose metabolism?

A

Lactic acid

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4
Q

What is formed by oxidation of sulfur-containing amino acids?

A

Sulfuric acid

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5
Q

What is formed in breakdown of phosphoproteins and ribonucleotides?

A

Phosphoric acid

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6
Q

What is formed in breakdown of fats?

A

Acidic ketone bodies

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7
Q

Acidic ketone bodies - formed in breakdown of fats. There are 3 of them. What are they?

A

a. Acetone
b. Acetoacetic acid
c. Beta-hydroxybutyric acid

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8
Q

Sources of pH-influencing elements. There are 5 of them. What are they?

A 
Carbonic acid 
Lactic acid 
Sulfuric acid 
Phosphoric acid 
Acidic ketone bodies
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9
Q

Acid-forming potential of foods is determined by what 3 elements?

A

chloride, sulfur, and phosphorus content

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10
Q

What are the 3 Types of pH control mechanisms?

A

Chemical (rapid action buffers)
Physiological (delayed action buffers)
Summary of pH control mechanisms

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11
Q

Bicarbonate buffer system. Belongs to what group?

A. Chemical (rapid action buffers)
B. hysiological (delayed action buffers)
C. Summary of pH control mechanisms

A

A. Chemical (rapid action buffers)

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12
Q

Buffers. Belongs to what group?

A. Chemical (rapid action buffers)
B. Physiological (delayed action buffers)
C. Summary of pH control mechanisms

A

C. Summary of pH control mechanisms

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13
Q

Renal response. Belongs to what group?

A. Chemical (rapid action buffers)
B. Physiological (delayed action buffers)
C. Summary of pH control mechanisms

A

B. Physiological (delayed action buffers)

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14
Q

Respiration. Belongs to what group?

A. Chemical (rapid action buffers)
B. Physiological (delayed action buffers)
C. Summary of pH control mechanisms

A

C. Summary of pH control mechanisms

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15
Q

Phosphate buffer system. Belongs to what group?

A. Chemical (rapid action buffers)
B. Physiological (delayed action buffers)
C. Summary of pH control mechanisms

A

A. Chemical (rapid action buffers)

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16
Q

Respiratory response. Belongs to what group?

A. Chemical (rapid action buffers)
B. Physiological (delayed action buffers)
C. Summary of pH control mechanisms

A

B. Physiological (delayed action buffers)

17
Q

Protein buffer system. Belongs to what group?

A. Chemical (rapid action buffers)
B. Physiological (delayed action buffers)
C. Summary of pH control mechanisms

A

A. Chemical (rapid action buffers)

18
Q

Kidney excretion of acids and bases. Belongs to what group?

A. Chemical (rapid action buffers)
B. Physiological (delayed action buffers)
C. Summary of pH control mechanisms

A

C. Summary of pH control mechanisms

19
Q

Effectiveness of pH control mechanisms; extremely effective, normally maintain pH within very narrow range of what?

A

7.36 to 7.41

A&P II exam 4 (34 decks)

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