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ABG 302 FINAL EXAM NEWEST 2024 ACTUAL EXAM
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS)
How is the vast majority of oxygen carried in the blood? - (answers)chemically
combined with Hb
Under normal physiologic circumstances, how many milliliters of oxygen are
capable of combining with 1 g of Hb? - (answers)1.340 ml
A patient has a P50 value of 29 mm Hg. What does this indicate? -
(answers)decreased affinity of Hb for oxygen
Hypoxia is best defined as a condition in which what occurs? - (answers)Tissue
oxygen delivery is inadequate to meet cellular needs.
Which of the following conditions must exist for gas to move between the alveolus
and pulmonary capillary? - (answers)difference in partial pressures (pressure
gradient)
The time available for diffusion in the lung is mainly a function of which of the
following? - (answers)rate of pulmonary blood flow
Metabolic acidosis is best described as ____. - (answers)uncorrected low pH
caused by a decrease in HCO3
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Metabolic alkalosis is best described as ____. - (answers)uncorrected high blood
pH caused by an increase in HCO3
According to Shapiro, a PaO2 value of 50 mm Hg represents ____. -
(answers)moderate hypoxemia
Compensation for metabolic acidosis occurs through which of the following? -
(answers)decrease in blood CO2 levels
The primary goal of acid-base homeostasis is to maintain which of the following? -
(answers)normal pH
A PaO2 below what value would be considered severe hypoxemia? - (answers)40
mm Hg
What is the calculation for PaO2 based on age? - (answers)PaO2 ≈ 110 - 1/2
patient's age
Acid excretion is shared by which of the following organ systems? -
(answers)kidneys & lungs
A decrease in the H+ ion concentration [H+] of the blood caused by a low PaCO2
best describes which of the following? - (answers)respiratory alkalosis
ABG 302 FINAL EXAM NEWEST 2024 ACTUAL EXAM
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS)
How is the vast majority of oxygen carried in the blood? - (answers)chemically
combined with Hb
Under normal physiologic circumstances, how many milliliters of oxygen are
capable of combining with 1 g of Hb? - (answers)1.340 ml
A patient has a P50 value of 29 mm Hg. What does this indicate? -
(answers)decreased affinity of Hb for oxygen
Hypoxia is best defined as a condition in which what occurs? - (answers)Tissue
oxygen delivery is inadequate to meet cellular needs.
Which of the following conditions must exist for gas to move between the alveolus
and pulmonary capillary? - (answers)difference in partial pressures (pressure
gradient)
The time available for diffusion in the lung is mainly a function of which of the
following? - (answers)rate of pulmonary blood flow
Metabolic acidosis is best described as ____. - (answers)uncorrected low pH
caused by a decrease in HCO3
, SmartScholarHub
Metabolic alkalosis is best described as ____. - (answers)uncorrected high blood
pH caused by an increase in HCO3
According to Shapiro, a PaO2 value of 50 mm Hg represents ____. -
(answers)moderate hypoxemia
Compensation for metabolic acidosis occurs through which of the following? -
(answers)decrease in blood CO2 levels
The primary goal of acid-base homeostasis is to maintain which of the following? -
(answers)normal pH
A PaO2 below what value would be considered severe hypoxemia? - (answers)40
mm Hg
What is the calculation for PaO2 based on age? - (answers)PaO2 ≈ 110 - 1/2
patient's age
Acid excretion is shared by which of the following organ systems? -
(answers)kidneys & lungs
A decrease in the H+ ion concentration [H+] of the blood caused by a low PaCO2
best describes which of the following? - (answers)respiratory alkalosis
