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pH Regulation and Buffer Systems Quiz

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Questions and Answers

What is the most important buffer system for leveling off pH fluctuations?

Bicarbonate-carbonic acid system (correct)

Phosphate buffer system

Hemoglobin buffer system

Protein buffer system

What is the cause of respiratory acidosis?

Loss of H+

Overproduction of H+

Retention of CO2 (correct)

Ingestion of antacids

What are the effects of alkalosis on the respiratory system?

Overproduction of H+

Ingestion of antacids

Loss of CO2 (hyperventilation) (correct)

Retention of CO2

How is metabolic alkalosis caused?

Loss of H+ or ingestion of antacids Signup and view all the answers

What are the compensation mechanisms for acidosis?

Deep rapid breathing and secretion of urine with a low pH Signup and view all the answers

What are the effects of dehydration?

Dry mucous membranes in the mouth Signup and view all the answers

What are the attempts to compensate for fluid loss?

Increasing thirst Signup and view all the answers

What is third-spacing of fluid?

Fluid shifts out of the blood into a body cavity or tissue and cannot reenter the vascular compartment Signup and view all the answers

What are the effects of increased capillary permeability?

Third-spacing of fluid Signup and view all the answers

How does the body attempt to control serum pH?

Buffer systems Signup and view all the answers