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Self-test questions: Chapter 41
Return to Human Physiology 5e - student resources
Self-test questions: Chapter 41
Quiz Content
*
not completed
.
In a man undergoing surgery, it was necessary to aspirate the contents of the upper gastro-intestinal tract. After surgery, the following values were obtained from an arterial blood sample: pH 7.55, PCO
2
52 mm Hg and HCO
3
- 40 mmol/l. What is the underlying disorder?
Metabolic acidosis
correct
incorrect
Respiratory alkalosis
correct
incorrect
Metabolic alkalosis
correct
incorrect
Respiratory acidosis
correct
incorrect
*
not completed
.
A person 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. What is the underlying acid-base disorder?
Metabolic acidosis
correct
incorrect
Respiratory alkalosis
correct
incorrect
Metabolic alkalosis
correct
incorrect
Respiratory acidosis
correct
incorrect
*
not completed
.
A climber 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 PCO
2
and pH?
Both will be lower than normal.
correct
incorrect
The pH will rise and PCO
2
will fall.
correct
incorrect
Both will be higher than normal due to the physical exertion.
correct
incorrect
The pH will fall and PCO
2
will rise
correct
incorrect
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