The diagnostic criteria for type Ⅱ respiratory failure is ()
A. PaO2
B. PAO2
C. PaCO2>70mmHg .
D. PaO2 >50mmHg
E. PaO2 50mmHg
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The most common precipitating factor of hepatic encephalopathy is ( )
A. Constipation.
B. Hyperkalemia.
C. Gastrointestinal bleeding.
D. Hypernatremia.
E. Acidosis
Which of the following may contribute to the development of hepatic encephalopathy? ( )
A. Decreased ammonia.
B. Increased AAA .C. Increased BCAA.
C. Decreased GABA.
Decreased AAA
Which disease is the most common cause for acute renal failure()
Acute glomerulonephritis.
B. Urinary obstruction.
C. Acute pyelonephritis.
D. Acute tubular necrosis.
E. Shock
Why does DIC easily occur in obstetric accident ( )
A. hypercoagulable state of blood.
B. inhibition of mononuclear phagocyte system.
C. injury of endothelium of capillary.
D. Hemolysis
E. disturbance of placenta circulation
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