Which kind of treatment is not suitable for deep venous thrombosis? ()
A. catheter-directed thrombolysis
B. Anticoagulation
C. Inferior vena cava filters
D. encourage the patient early walking
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During an appendectomy for acute appendicitis, a 4-cm mass is found in the midportion of the appendix. Frozen section reveals this lesion to be a carcinoid tumor.Which of the following statements is true? ()
A. No further surgery is indicated
B. Aright hemicolectomy should be performed
C. There is about a 50% chance that this patient will debelop the carcinoid syndrome
D. Carcinoid tumors arise from islet cells
Normal serum calcium concentration is ______________mmol / L. ()
A. 2.15-2.25
B. 2.25-2.75
C. 2.75-2.85
D. 2.85-2.95
Which of the following item is not the criteria to do surgery for pancreatic pseudocyst ? ()
A. diameter of the pseudocyst is more than 6cm
B. formation of the pseudocyst is more than 6weeks
C. cause the abdominal discomfortable symptoms
D. location of the pseudocyst is too deep
Which of the following is not the human susceptibility factor? ()
A. Skin lesion or defect
B. The catheter in the body
C. The obstruction of the lumen
D. The AIDS patients
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