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Acid Base (Buffer Systems (Base: pH more than 7.0 and accepts a hydrogen…
Acid Base
Buffer Systems
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Buffer: Solution that resists changes in pH when small quantities of acid or alkali are added to it.
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3 Buffering Systems
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Protein Buffers: All proteins can act as buffers. Amino acids contain positively charged amino groups and negatively charged carboxyl groups.They can bind to H+ or OH- to function as a buffer.
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Metabolic Acidosis
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Caused by too many ketones in the body from diarrhea, too much exercise, or too much aspirin
Metabolic Alkalosis
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Caused by excessive vomiting, extensive use of diuretics or laxatives, and oversecretion of aldosterone
Respiratory Acidosis
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Can result from anything that impairs respiration such as pneumonia, emphysema, or chronic pulmonary disease
Respiratory Alkalosis
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Results from fear, anxiety, infections or extreme emotional upset
Respiratory Regulation
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When CO2 in the blood increases, the extra CO2 will combine with H2O to form more carbonic acid, lowering the pH.
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Compensation: One system compensating for another systems problems. Ex: When there is a respiratory problem, it is the urinary system that tries to bring it back to normal.