Arterial Blood Gas
D - Answer The solution that would be most alkalotic would be the one would be the
one with a pH of:
A. Four
B. Seven
C. Nine
D. Fourteen
C - Answer The normal pH range for blood is:
A. 7.0-7.25
B. 7.30-7.40
C. 7.35-7.45
D. 7.45-7.55
A - Answer The respiratory system compensates for changes in the pH level by
responding to changes in the levels of:
A. CO2
B. H2O
C. H2CO3
D. HCO3
C - Answer The kidneys compensate for acid-base imbalances by excreting or retaining:
A. Hydrogen ions
B. Carbonic acid
C. Sodium bicarbonate
D. Water
D - Answer All of the following might be a cause of respiratory acidosis except:
A. Sedation
B. Head trauma
C. COPD
D. Hyperventilation
A - Answer A patient with a prolonged episode of nausea, vomiting and diarrhea has an
ABG ordered on admission. You might expect the results to show:
A. Metabolic acidosis
B. Metabolic alkalosis
C. Respiratory acidosis
D. Respiratory alkalosis
B - Answer A calculated ABG value that indicates excess of insufficiency of sodium
bicarbonate in the system is:
A. HCO3
B. Base excess
C. PaO2
D. pH
, Arterial Blood Gas
D - Answer Which of the following may be a reason to order an ABG on a patient?
A. The patient suddenly develops shortness of breath
B. An asthmatic is starting to show signs of tiring
C. A diabetic has developed Kussmaul respirations
D. All of the above
A - Answer You are reviewing the results of an ABG. When the pH and the PaCO2
values are moving in opposite directions, the primary problem is:
A. Respiratory
B. Renal
C. Metabolic
D. Compensation
C - Answer When an acid-base imbalance is caused by a metabolic disturbance, the pH
and the HCO3 will move:
A. In opposite directions
B. Totally independent of each other
C. In the same direction
B - Answer The oxyhemoglobin dissociation curve represents the relationship between
the:
A. O2 saturation and hemoglobin level
B. O2 saturation and PaO2
C. PaO2 and the HCO3
D. PaO2 and the pH
A - Answer On the normal oxyhemoglobin curve, if the O2 saturation is 88%, it would
correlate with a PaO2 of approximately:
A. 60mm Hg
B. 80mm Hg
C. 90mm Hg
D. 100mm Hg
C - Answer pH 7.33 - pCO2 60 - HCO3 34
A. Normal ABG values
B. Respiratory acidosis without compensation
C. Respiratory acidosis with partial compensation
D. Respiratory acidosis with full compensation
D - Answer pH 7.48 - pCO2 42 - HCO3 30
A. Metabolic acidosis without compensation
B. Respiratory alkalosis without partial compensation
C. Respiratory alkalosis with full compensation
D. Metabolic alkalosis without compensation
B - Answer pH 7.38 - pCO2 38 - HCO3 24
D - Answer The solution that would be most alkalotic would be the one would be the
one with a pH of:
A. Four
B. Seven
C. Nine
D. Fourteen
C - Answer The normal pH range for blood is:
A. 7.0-7.25
B. 7.30-7.40
C. 7.35-7.45
D. 7.45-7.55
A - Answer The respiratory system compensates for changes in the pH level by
responding to changes in the levels of:
A. CO2
B. H2O
C. H2CO3
D. HCO3
C - Answer The kidneys compensate for acid-base imbalances by excreting or retaining:
A. Hydrogen ions
B. Carbonic acid
C. Sodium bicarbonate
D. Water
D - Answer All of the following might be a cause of respiratory acidosis except:
A. Sedation
B. Head trauma
C. COPD
D. Hyperventilation
A - Answer A patient with a prolonged episode of nausea, vomiting and diarrhea has an
ABG ordered on admission. You might expect the results to show:
A. Metabolic acidosis
B. Metabolic alkalosis
C. Respiratory acidosis
D. Respiratory alkalosis
B - Answer A calculated ABG value that indicates excess of insufficiency of sodium
bicarbonate in the system is:
A. HCO3
B. Base excess
C. PaO2
D. pH
, Arterial Blood Gas
D - Answer Which of the following may be a reason to order an ABG on a patient?
A. The patient suddenly develops shortness of breath
B. An asthmatic is starting to show signs of tiring
C. A diabetic has developed Kussmaul respirations
D. All of the above
A - Answer You are reviewing the results of an ABG. When the pH and the PaCO2
values are moving in opposite directions, the primary problem is:
A. Respiratory
B. Renal
C. Metabolic
D. Compensation
C - Answer When an acid-base imbalance is caused by a metabolic disturbance, the pH
and the HCO3 will move:
A. In opposite directions
B. Totally independent of each other
C. In the same direction
B - Answer The oxyhemoglobin dissociation curve represents the relationship between
the:
A. O2 saturation and hemoglobin level
B. O2 saturation and PaO2
C. PaO2 and the HCO3
D. PaO2 and the pH
A - Answer On the normal oxyhemoglobin curve, if the O2 saturation is 88%, it would
correlate with a PaO2 of approximately:
A. 60mm Hg
B. 80mm Hg
C. 90mm Hg
D. 100mm Hg
C - Answer pH 7.33 - pCO2 60 - HCO3 34
A. Normal ABG values
B. Respiratory acidosis without compensation
C. Respiratory acidosis with partial compensation
D. Respiratory acidosis with full compensation
D - Answer pH 7.48 - pCO2 42 - HCO3 30
A. Metabolic acidosis without compensation
B. Respiratory alkalosis without partial compensation
C. Respiratory alkalosis with full compensation
D. Metabolic alkalosis without compensation
B - Answer pH 7.38 - pCO2 38 - HCO3 24
