Fun Quiz: Acid Base Balance

#1. A mountaineer attempts an assault on a high mountain in the Andes and reaches an altitude of 5000 meters (16,400 ft) above sea level. What will happen to his arterial PCO2 and pH?

Both will be higher than normal due to physical exertion

The pH will fall and PCO2 will rise

Both will be lower than normal

The pH will rise and PCO2 will fall

#2. Match the acid-base status of the following blood samples to the disorders in the given choices. (PaCO2 values are in mm Hg and bicarbonate values in mmol/l). pH 7.5, PCO2 19, HCO3- 22

Respiratory Alkalosis, Uncompensated

Metabolic Alkalosis, Partially Compensated

Respiratory Acidosis, Uncompensated

Respiratory Alkalosis, Partially Compensated

#3. Match the acid-base status of the following blood samples to the disorders in the given choices. (PaCO2 values are in mm Hg and bicarbonate values in mmol/l). pH 7.17, PCO2 48, HCO3- 36

Respiratory Acidosis, Uncompensated

Respiratory Acidosis, Partially Compensated

Respiratory Alkalosis, Partially Compensated

Metabolic Acidosis, Partially Compensated

#4. An elderly client was admitted to hospital in a coma. Analysis of the arterial blood gave the following values: PCO2 16 mm Hg, HCO3 5 mmol/L and pH 7.1. As a lab professional, you know that the normal value for HCO3 is:

20 mmol/L

24 mmol/L

29 mmol/L

31 mmol/L

#5. Anne, who is drinking beer at a party, falls and hits her head on the ground. Her friend Liza dials “911” because Anne is unconscious, depressed ventilation (shallow and slow respirations), rapid heart rate, and is profusely bleeding from both ears. Which primary acid-base imbalance is Anne at risk for if medical attention is not provided?

Metabolic Acidosis

Respiratory Acidosis

Metabolic Alkalosis

Respiratory Alkalosis

#6. Match the acid-base status of the following blood samples to the disorders in the given choices. (PaCO2 values are in mm Hg and bicarbonate values in mmol/l). pH 7.34, PCO2 24, HCO3- 20

Respiratory Acidosis, Partially Compensated

Metabolic Alkalosis, Partially Compensated

Metabolic Acidosis, Partially Compensated

Metabolic Acidosis, Uncompensated

#7. A young woman is found comatose, having taken an unknown number of sleeping pills an unknown time before. An arterial blood sample yields the following values: pH 6.90, HCO3- 13 meq/liter, and PCO2 68 mmHg. This patient’s acid-base status is most accurately described as:

Simultaneous Respiratory and Metabolic Acidosis

Respiratory Acidosis with Complete Renal Compensation

Respiratory Acidosis

Metabolic Acidosis

#8. The human body functions optimally in a state of homeostasis

False

It depends

Homeostasis has nothing to do with metabolic balance

True

#9. A company driver is found at the scene of an automobile accident in a state of emotional distress. He tells the paramedics that he feels dizzy, tingling in his fingertips, and does not remember what happened to his car. Respiratory rate is rapid at 34/minute. Which primary acid-base disturbance is the young man at risk for if medical attention is not provided?

Metabolic Acidosis

Respiratory Alkalosis

Metabolic Alkalosis

Respiratory Acidosis

#10. Match the acid-base status of the following blood samples to the disorders in the given choices. (PCO2 values are in mm Hg and bicarbonate values in mmol/l). pH 7.39, PCO2 44, HCO3- 26

Metabolic Alkalosis

Normal

Respiratory Alkalosis

Respiratory Acidosis

Metabolic Acidosis

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#1. A mountaineer attempts an assault on a high mountain in the Andes and reaches an altitude of 5000 meters (16,400 ft) above sea level. What will happen to his arterial PCO2 and pH?

#2. Match the acid-base status of the following blood samples to the disorders in the given choices. (PaCO2 values are in mm Hg and bicarbonate values in mmol/l). pH 7.5, PCO2 19, HCO3- 22

#3. Match the acid-base status of the following blood samples to the disorders in the given choices. (PaCO2 values are in mm Hg and bicarbonate values in mmol/l). pH 7.17, PCO2 48, HCO3- 36

#4. An elderly client was admitted to hospital in a coma. Analysis of the arterial blood gave the following values: PCO2 16 mm Hg, HCO3 5 mmol/L and pH 7.1. As a lab professional, you know that the normal value for HCO3 is:

#6. Match the acid-base status of the following blood samples to the disorders in the given choices. (PaCO2 values are in mm Hg and bicarbonate values in mmol/l). pH 7.34, PCO2 24, HCO3- 20

#7. A young woman is found comatose, having taken an unknown number of sleeping pills an unknown time before. An arterial blood sample yields the following values: pH 6.90, HCO3- 13 meq/liter, and PCO2 68 mmHg. This patient’s acid-base status is most accurately described as:

#8. The human body functions optimally in a state of homeostasis

#10. Match the acid-base status of the following blood samples to the disorders in the given choices. (PCO2 values are in mm Hg and bicarbonate values in mmol/l). pH 7.39, PCO2 44, HCO3- 26

Results

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