Compensation & Regulation Disrupted Homeostasis

A set of vocabulary flashcards covering renal and respiratory compensation mechanisms for disrupted homeostasis and acid-base imbalances.

Respiratory factors in compensation

Rate and depth of respirations.

Renal substances conserved/eliminated during compensation

Hydrogen ions and bicarbonate.

Respiratory compensation for metabolic acidosis

Hyperventilation lowers $PaCO_2$ and helps increase plasma pH.

Renal compensation for respiratory acidosis

The kidneys secrete $H^+$ and reabsorb/retain $HCO_3^-$, helping increase plasma pH.

Renal action in acidosis

Regenerate and retain bicarbonate and remove hydrogen.

Renal action in alkalosis

Retain hydrogen and remove bicarbonate.

Timeframe of renal acid/base changes

Over hours to days.

Respiratory response to acute decrease in pH

Respiratory rate and depth increase to blow off/remove $CO_2$.

Response to acute rise in pH

$CO_2$ combines with water and changes to carbonic acid in an effort to return pH toward normal.

Effect of alkalosis on the renal system

It depresses the renal system.

Effect of increased respiratory rate and depth on pH

It increases $CO_2$ removal.

Relatively slow compensation system

Renal compensation, which can take hours to days to make changes.