The pathogenesis of dyspnea in left heart failure ()
A. Hypotension.
B. Congestion of systemic circulation.
C. Myocardial ischemia and hypoxia.
D. Increased blood volume.
E. Pulmonary congestion and pulmonary edema
查看答案
The disease most liable to result in eccentric hypertrophy of the heart is ( )
A. Hypertension.
B. Aortic stenosis.
C. Insufficiency of aortic valve.
D. Pulmonary hypertension
E. Not the above-mentioned one
The essential qualities of concentric hypertrophy of the heart is ( ).
A. Increased numbers of cardiocyte.
B. Sarcomere hyperplasia in parallel.
C. Increased cardiac fiber length.
D. Sarcomere hyerplasia in series.
E. Not the above-mentioned one
The diagnostic criteria for type Ⅱ respiratory failure is ()
A. PaO2
B. PAO2
C. PaCO2>70mmHg .
D. PaO2 >50mmHg
E. PaO2 50mmHg
The most common precipitating factor of hepatic encephalopathy is ( )
A. Constipation.
B. Hyperkalemia.
C. Gastrointestinal bleeding.
D. Hypernatremia.
E. Acidosis
微信支付 
支付宝支付