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Acid-Base Balance
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Anatomy Ch 1
Video T
Acid-Base Balance
1. A patient has been vomiting for days. He lost a lot of gastric juice. The doctor ordered an ABG. The results are likely to show
Respiratory acidosis
Metabolic acidosis
Respiratory alkalosis
Metabolic alkalosis
pH = 7.50 HCO3- = 50 pCO2 = 40. The patient is in
Respiratory acidosis
Metabolic acidosis
Respiratory alkalosis
Metabolic alkalosis
A patient in respiratory acidosis may have the following ABG result
paO2 = 80
pCO2 = 10
pCO2 = 52
HCO3- = 10
A patient in respiratory alakalosis may have the following ABG result
paO2 = 80
pCO2 = 10
pCO2 = 52
HCO3- = 10
The following is most likely the result for a patient in compensated respiratory alkalosis
pH = 7.30 pCO2 = 40 HCO3- = 23
pH = 7.30 pCO2 = 60 HCO3- = 37
pH = 7.50 pCO2 = 20 HCO3- = 12
pH = 7.50 pCO2 = 20 HCO3- = 24
The following arterial blood pH is acidotic
pH = 7.35
pH = 7.45
pH = 7.29
pH = 7. 49
The following arterial blood pH is normal
pH = 7.35
pH = 7.55
pH = 7.30
pH = 7.20
A patient with diarrhea loses a lot of bicarbonate. The blood pH is expected to be
Low
High
Normal
None of the above
A patient with emesis loses a lot of acid. The blood pH is expected to be
Low
High
Normal
None of the above
A patient who is hyperventilating is likely to be in
Respiratory acidosis
Respiratory alkalosis
Metabolic acidosis
Metabolic alkalosis
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