Which one of the following statements is true about tissue factor? ()
A. It can activate factor X directly
B. It is also called factor I
C. Under normal conditions it can be expressed by all cells in the body
D. It is a plasminogen activator
E. It will be activated when the tissue injury and blood vessel rupture occur
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The results of blood-gas analysis of a patient with intestine fistula are decreased pH, decreased AB and decreased PaCO2, they indicate()
A. Respiratory alkalosis
B. Respiratory acidosis
C. Metabolic alkalosis
D. Metabolic acidosis with a normal AG
E. Metabolic acidosis with a high AG
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
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
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