Self-Assessment Test #4 – BOC
Questions and Answers Rated A+
What is the primary purpose of performing a blood gas analysis?
✔✔A) To assess respiratory function and acid-base balance
B) To evaluate liver function
C) To measure blood glucose levels
D) To check electrolyte levels
What does a high level of bicarbonate in blood indicate?
A) Respiratory acidosis
B) Normal metabolic function
✔✔C) Metabolic alkalosis
D) Kidney failure
What is the normal range for arterial blood pH?
A) 7.0-7.2
✔✔B) 7.35-7.45
C) 7.5-7.7
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,D) 6.8-7.2
What is the primary component of the respiratory buffer system?
✔✔A) Bicarbonate
B) Phosphate
C) Protein
D) Ammonia
What does a high partial pressure of carbon dioxide (pCO2) in the blood suggest?
✔✔A) Respiratory acidosis or hypoventilation
B) Metabolic alkalosis
C) Normal respiratory function
D) Hyperventilation
What is the significance of measuring lactate levels in the blood?
A) To assess liver function
✔✔B) To evaluate tissue hypoxia and metabolic acidosis
C) To check kidney function
2
,D) To measure blood glucose levels
What condition is indicated by low levels of potassium in the blood?
✔✔A) Hypokalemia
B) Hyperkalemia
C) Normal potassium levels
D) Dehydration
What is the primary role of the kidneys in acid-base balance?
A) Producing bicarbonate
✔✔B) Excreting hydrogen ions and reabsorbing bicarbonate
C) Filtering glucose
D) Regulating blood pressure
What does an elevated anion gap indicate?
A) Normal metabolic function
✔✔B) Metabolic acidosis
C) Respiratory alkalosis
3
, D) Dehydration
Which electrolyte is primarily responsible for neuromuscular function?
✔✔A) Calcium
B) Sodium
C) Magnesium
D) Chloride
What does the term "hypernatremia" refer to?
A) Low sodium levels
✔✔B) High sodium levels
C) Normal sodium levels
D) Dehydration
What is the normal range for serum sodium levels?
A) 120-130 mEq/L
B) 130-140 mEq/L
✔✔C) 135-145 mEq/L
4
Questions and Answers Rated A+
What is the primary purpose of performing a blood gas analysis?
✔✔A) To assess respiratory function and acid-base balance
B) To evaluate liver function
C) To measure blood glucose levels
D) To check electrolyte levels
What does a high level of bicarbonate in blood indicate?
A) Respiratory acidosis
B) Normal metabolic function
✔✔C) Metabolic alkalosis
D) Kidney failure
What is the normal range for arterial blood pH?
A) 7.0-7.2
✔✔B) 7.35-7.45
C) 7.5-7.7
1
,D) 6.8-7.2
What is the primary component of the respiratory buffer system?
✔✔A) Bicarbonate
B) Phosphate
C) Protein
D) Ammonia
What does a high partial pressure of carbon dioxide (pCO2) in the blood suggest?
✔✔A) Respiratory acidosis or hypoventilation
B) Metabolic alkalosis
C) Normal respiratory function
D) Hyperventilation
What is the significance of measuring lactate levels in the blood?
A) To assess liver function
✔✔B) To evaluate tissue hypoxia and metabolic acidosis
C) To check kidney function
2
,D) To measure blood glucose levels
What condition is indicated by low levels of potassium in the blood?
✔✔A) Hypokalemia
B) Hyperkalemia
C) Normal potassium levels
D) Dehydration
What is the primary role of the kidneys in acid-base balance?
A) Producing bicarbonate
✔✔B) Excreting hydrogen ions and reabsorbing bicarbonate
C) Filtering glucose
D) Regulating blood pressure
What does an elevated anion gap indicate?
A) Normal metabolic function
✔✔B) Metabolic acidosis
C) Respiratory alkalosis
3
, D) Dehydration
Which electrolyte is primarily responsible for neuromuscular function?
✔✔A) Calcium
B) Sodium
C) Magnesium
D) Chloride
What does the term "hypernatremia" refer to?
A) Low sodium levels
✔✔B) High sodium levels
C) Normal sodium levels
D) Dehydration
What is the normal range for serum sodium levels?
A) 120-130 mEq/L
B) 130-140 mEq/L
✔✔C) 135-145 mEq/L
4
