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Acid and Base Imb
| Which of the following conditions may cause metabolic acidosis? Choose all that apply. A) Excessive intake of bicarbonate antacid B) Hyperthyroidism C) Loss of gastric acid D) Salicylate overdose E) Untreated diabetes mellitus | B,D,E |
| Choose the acid-base imbalance that acute renal failure causes. A) Metabolic alkalosis B) Respiratory acidosis C) Metabolic acidosis D) Respiratory alkalosis | C |
| Which of the following lab values may be seen in fully compensated respiratory acidosis? A) Dec PaCO2, dec HCO3-, normal pH B) Inc PaCO2, dec HCO3-, normal pH C) Inc PaCO2, normal HCO3-, de pH D) Inc PaCO2, inc HCO3-, normal pH | D |
| What is the compensatory mechanism for metabolic acidosis? A) Increased rate and depth of respirations. B) Increased renal excretion of bicarbonate. C) Decreased rate and depth of respirations. D) Decreased renal excretion of bicarbonate. | A |
| Choose the acid-base disorder that COPD type B commonly causes. A) Metabolic alkalosis B) Metabolic acidosis C) Respiratory alkalosis D) Respiratory acidosis | D |
| Choose the acid-base imbalance that severe lack of insulin causes. A) Respiratory acidosis B) Metabolic acidosis C) Respiratory alkalosis D) Metabolic alkalosis | B |
| Which of the following lab values would be seen in a patient who has end-stage type B COPD (chronic bronchitis)? A) Inc PaCO2, dec HCO3-, dec pH. B) Decr PaCO2, decr HCO3-, incr pH. C) Decr PaCO2, incr HCO3-, decr pH. D) Incr PaCO2, incr HCO3-, decr pH. | D |
| Choose the acid-base imbalance that hyperventilation from anxiety causes. A) Respiratory acidosis B) Respiratory alkalosis C) Metabolic acidosis D) Metabolic alkalosis | B |
| Which of the following conditions may cause respiratory acidosis? Choose all that apply. A) Incr bicarbonate intake B) Decreased alveolar ventilation C) Neuromuscular conditions affecting the chest wall D) Direct stimulation of the respiratory neurons | B,C |
| Choose the signs and symptoms that are most likely to reflect acidosis. A) Lethargy, coma. B) Chest pain, nausea, sweating. C) Restlessness, confusion, syncope, oliguria. D) Irritability, muscle twitching and cramping, seizures." | A |
| Choose the compensatory mechanism for respiratory acidosis. A) Renal excretion of HCO3- B) Renal retention of HCO3- C) Decreased rate and depth of respirations D) Increased rate and depth of respirations | B |
| Choose the acid-base disorder that chronic oliguric renal failure commonly causes. A) Metabolic acidosis B) Respiratory acidosis C) Metabolic alkalosis D) Respiratory alkalosis | A |