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ANT 3120: Chapter 27B
Acid/Base
20
Anatomy
Undergraduate 1
04/19/2013

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Term
respiratory acidosis
Definition
increased level of CO2 in arterial blood
Term
respiratory acidosis is caused by
Definition
hypoventilation or poor gas exchange at lungs
Term
causes of respiratory acidosis (disease)
Definition
1) pulmonary disease
2) opiates
Term
pulmonary diseases
Definition
decrease ventilation and poor gas exchange
Term
opiates
Definition
inhibit respiratory center
Term
respiratory alkalosis
Definition
decreased levels of CO2 in arterial blood
Term
respiratory alkalosis is caused by
Definition
hyperventilation
Term
causes of respiratory alkalosis
Definition
1) hyperthyroidism
2) anxiety
3) acute aspirin toxicity
Term
hyperthyroidism
Definition
stimulates respiratory center via increased T3 and T4
Term
anxiety
Definition
stimulates respiratory center via hypothalamus
Term
acute aspirin toxicity
Definition
stimulates respiratory center
Term
metabolic acidosis
Definition
decreased level of HCO3 in arterial blood
Term
causes of metabolic acidosis
Definition
1) kidney disease
2) diarrhea
3) chronic aspirin toxicity
4) diabetic ketoacidosis
Term
kidney disease
Definition
failure to reabsorb HCO3 and/or secrete H+
Term
diarrhea
Definition
rapid excretion of HCO3
Term
chronic aspirin toxicity
Definition
disrupts Kreb's cycle (produces H+)
Term
metabolic alkalosis
Definition
increased level of HCO3 in arterial blood
Term
causes of metabolic alkalosis
Definition
1) diuretics
2) gastric vomiting
3) ingestion of too many alkaline drugs
Term
duration of respiratory compensation
Definition
lungs compensate metabolic disturbances in minutes to hours
Term
duration of metabolic compensation
Definition
kidneys compensate respiratory disturbances in days
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