When the results of blood gas analysis on arterial blood show that high PaCO2 and low [HCO3- ], which of the following diagnoses could be made? ()
A. Respiratory acidosis in compensatory phase
B. Respiratory acidosis in decompensated phase
C. Metabolic acidosis in compensatory phase
D. Metabolic acidosis in decompensated phase
E. Respiratory acidosis plus metabolic acidosis
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In hypoxia caused by respiratory insufficiency, the diagnostic change in the arterial blood is ( )
A. Decreased CaO2max
B. Decreased PaO2
C. Increased CaO2
D. Increased SaO2
E. O2dissociation curve shift to the left
Which parameter reflect the utilization of oxygen in tissue ?()
A. CaO2
B. CvO2
CO2max
D. SvO2
E. Ca-vO2
Which one is right about the characteristics of blood O2 in the histogenous hypoxia? ()
A. PO2↓
B. CO2max↓
CaO2↓
D. CaO2-Cv2↓
E. SO2↓
which one of the following is not related to oxygen content in the artery?()
A. the amount of hemoglobin (Hb)
B. the carrying capacity of oxygen in blood
C. PO2 of inspired air
D. the function of external respiration
E. the state of internal respiration
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