Which one of the following abnormalities can be caused by chronic renal failure()
A. Hypercalcinemia
B. Hypophosphatemia
C. Hypotension
D. Osteoporosis
E. Bleeding
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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
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