ABG2

Question 1

Diuretic (Cl wasting with increased renal bicarb resorption)

Answer 1

Metabolic alkalosis

Question 2

Increased mineralocorticoid (drugs, hyperaldosteronism)

Answer 2

Metabolic alkalosis

Question 3

Increased intake of alkali

Answer 3

Metabolic alkalosis

Question 4

CNS depression from drugs or brain injury

Answer 4

Respiratory acidosis

Question 5

Neuromuscular d/o (spinal cord injury, botulism, ALS, Gilliain barre)

Answer 5

Respiratory acidosis

Question 6

Acute flair of obstructive lung disease

Answer 6

Respiratory acidosis

Question 7

Hyperventilation

Answer 7

Respiratory alkalosis

Question 8

Salicylates, SIRS, pulmonary disease (acute PE, flair of asthma), hypoxia

Answer 8

Respiratory alkalosis

Question 9

PCO2 down by 1.25 mmHG for every 1 meq/L of HCO3

Answer 9

Metabolic acidosis

Question 10

PCO2 up by 0.75 mmHG for every 1 meq/L of HCO3

Answer 10

Metabolic acidosis

Question 11

If bicarb is down, ______ should be down

Answer 11

PCO2

Question 12

HCO3 increased by 1 for every 10 increase in PCO2

Answer 12

Acute respiratory acidosis compensation

Question 13

HCO3 increased by 4 for every 10 mmHG

Answer 13

Chronic respiratory acidosis compensation

Question 14

HCO3 decreased by 2 for every 10 decreased in PCO2

Answer 14

Acute respiratory alkalosis compensation

Question 15

HCO3 decreased by 4 for every 10 decrease in PCO2

Answer 15

Chronic respiratory alkalosis compensation

Question 16

Narcotic OD

Answer 16

Respiratory acidosis

Question 17

Ingestion of methanol

Answer 17

Anion gap metabolic acidosis

Question 18

Anion gap exceeds change in Bicarb

Answer 18

Metabolic alkalosis

Question 19

Vomiting

Answer 19

Metabolic alkalosis

Question 20

If anion gap is elevated significantly, it should be proprionate to ___________ in Bicarb

Answer 20

Decrease

Question 21

If decrease in Bicarb is less than elevation in anion gap indicates

Answer 21

Anion gap metabolic acidosis and metabolic alkalosis

Question 22

If PCO2 and Bicarb change in same direction disorder is

Answer 22

Metabolic

Question 23

If PCO2 and Bicarb change in opposite directions d/o is

Answer 23

Respiratory