Which of the following statements is true about stress ulcer ?()
A. Indigestive ulcer;
B. Superficial erosion that occurs in skin after trauma;
C. A superficial erosion that occurs in gastric, duodenal mucosa after severe illness and trauma
D. Cancerous ulcer;
E. Oral ulcer that occurs in response to psychological stress
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The most common etiologic factor of DIC is ()
A. Infection
B. Leukemia
C. Obstetric disease
D. Malignancy
Extensive burns
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
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
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