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A 55-year-old man complains of chronic intermittent epigastric pain,and gastroscopy demonstrates a 2-cm ulcer of the distal lesser curvature.Endoscopic biopsy yields no malignant tissue.After a 6-wk trail of H2 blockade and antacid therapy,the ulcer is unchanged.Proper therapy at this point is____________________. ()

A. repeat trial of medical therapy
B. local excision of the ulcer
C. billroth I partial gastrectomy
D. billroth I partial gastrectomy with vagotomy

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Intra-abdominal pressure () that is stably rising and >______mmHg ,with or without abdominal perfusion pressure ()≤60mmHg,associated with new organ dysfunction or failure is called abdominal compartment syndrome ()

A. 12
B. 15
C. 20
D. 25

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Intra-abdominal pressure () that is stably rising and >______mmHg ,with or without abdominal perfusion pressure ()≤60mmHg,associated with new organ dysfunction or failure is called abdominal compartment syndrome (ACS) ()

A. 12
B. 15
C. 20
D. 25

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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

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A. repeat trial of medical therapy B. local excision of the ulcer C. billroth I partial gastrectomy D. billroth I partial gastrectomy with vagotomy

Intra-abdominal pressure () that is stably rising and >______mmHg ,with or without abdominal perfusion pressure ()≤60mmHg,associated with new organ dysfunction or failure is called abdominal compartment syndrome ()

Intra-abdominal pressure () that is stably rising and >______mmHg ,with or without abdominal perfusion pressure ()≤60mmHg,associated with new organ dysfunction or failure is called abdominal compartment syndrome (ACS) ()

Which kind of treatment is not suitable for deep venous thrombosis? ()

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. repeat trial of medical therapy
B. local excision of the ulcer
C. billroth I partial gastrectomy
D. billroth I partial gastrectomy with vagotomy