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提问人:网友czly1028 发布时间:2022-01-07
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A 35-year-old man suffers sharp abdominal pain accompanied by hematemesis (vomiting of blo

A 35-year-old man suffers sharp abdominal pain accompanied by hematemesis (vomiting of blood) for 2 days. He dies without seeking medical help. Autopsy fi ndings reveal a perforated ulcer in the posterior wall of the fi rst part of the duodenum, which damaged the artery in close proximity. Which of the following arteries was most likely ruptured?

A、Short gastric

B、Left gastroomental

C、Gastroduodenal

D、Splenic

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更多“A 35-year-old man suffers sharp abdominal pain accompanied by hematemesis (vomiting of blo”相关的问题
第1题
We ______ teachers.

A、is

B、am

C、are

D、was

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第2题
In modern China, an increasing number of young people are able to go to other cities or countries for study or work because __________.

A、Chinese parents today are more willing to respect their children's decision

B、it's hard for the children to live in harmony with their parents

C、their parents force them to do so

D、parents lose their control when the children grow up

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第3题
Ruth Simmons joined Goldman Sachs's board as an outside director in January 2000; a year later she became president of Brown University. For the rest of the decade she apparently managed both roles without attracting much criticism. But by the end of 2009 Ms. Simmons was under fire for having sat on Goldman's compensation committee; how could she have let those enormous bonus payouts pass unremarked? By February the next year Ms. Simmons had left the board. The position was just taking up too much time, she said.

Outside directors are supposed to serve as helpful, yet less biased, advisers on a firm's board. Having made their wealth and their reputations elsewhere, they presumably have enough independence to disagree with the chief executive's proposals. If the sky, and the share price, is falling, outside directors should be able to give advice based on having weathered their own crises.

The researchers from Ohio University used a database that covered more than 10, 000 firms and more than 64, 000 different directors between 1989 and 2004. Then they simply checked which directors stayed from one proxy statement to the next. The most likely reason for departing a board was age, so the researchers concentrated on those "surprise" disappearances by directors under the age of 70. They found that after a surprise departure, the probability that the company will subsequently have to restate earnings increases by nearly 20% . The likelihood of being named in a federal class-action lawsuit also increases, and the stock is likely to perform. worse. The effect tended to be larger for larger firms. Although a correlation between them leaving and subsequent bad performance at the firm is suggestive, it does not mean that such directors are always jumping off a sinking ship. Often they "trade up, " leaving riskier, smaller firms for larger and more stable firms.

But the researchers believe that outside directors have an easier time of avoiding a blow to their reputations if they leave a firm before bad news breaks, even if a review of history shows they were on the board at the time any wrongdoing occurred. Firms who want to keep their outside directors through tough times may have to create incentives. Otherwise outside directors will follow the example of Ms. Simmons, once again very popular on campus.

According to Paragraph 1, Ms. Simmons was criticized for_________.

A.gaining excessive profits

B.failing to fulfill her duty

C.refusing to make compromises

D.leaving the board in tough times

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第4题
A 65-year-old man presents with a swollen neck, marked edema in both upper limbs, and engorged and prominent intercostal veins. Subsequent examination reveals a tumor in his right lung. The tumor is likely compressing structures in which of the following regions?

A、Anterior mediastinum

B、Posterior mediastinum

C、Superior mediastinum

D、Hilum of the lung

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第5题

A 72-year-old woman, who lost 50 lb (22.7 kg) of weight in the past year, visited her physician complaining of abdominal cramps, pain, and vomiting. Physical examination detected a distended abdomen with no visible or palpable masses in the groin and upper thigh areA. She also described a sharp cutting pain in the medial aspect of her left thigh, which was exacerbated by the physician extending and medially rotating her left thigh at the hip joint. An abdominal CT revealed small bowel obstruction. What is the most likely cause of the obstruction?

A、Indirect inguinal hernia

B、Umbilical hernia

C、Femoral hernia

D、Obturator hernia

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第6题
An 84-year old women suffers a stroke, with paralysis on the right side of her body. Neurological tests show that the intracerebral hemorrhage has interrupted the blood supply to the posterior part of the frontal, the parietal and medial portions of the temporal lobes of the left cerebral hemispherE. Which vessel was involved?

A、Anterior cerebral artery:

B、Great cerebral vein

C、Middle cerebral artery

D、Middle meningeal artery

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第7题
A 22-year-old man suffered from a stab wounds on left costal margin at the anterior axillary line during an altercation,the potential injuries include the following strctures,except:

A、left lateral lobe of liver

B、pleura

C、spleen

D、diaphragm

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第8题
急性尿潴留导尿未成功男性患者行膀胱穿刺,最佳穿刺点为:

A、耻骨联合上

B、耻骨联合下

C、脐下

D、麦氏点

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第9题
Physical examination of a 40-year-old man injured in an automobile accident indicates that he has suffered nerve damage affecting his left upper limB. The patient exhibits signifi cant weakness when pronating his left forearm and fl exing his left wrist. What nerve is most likely damaged?

A、Median nerve

B、Ulnar nerve

C、Superfi cial branch of the radial nerve

D、Deep branch of the radial nerve

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第10题
女性患者,大便次数增加、带血3个月,右下腹似可扪及约4×8cm质韧包块,可推动,边界不清,入院后诊断为结肠癌,行根治性手术。以下描述哪项错误?

A、手术切口依次经过皮肤、Camper筋膜、Scarpa筋膜、腹外斜肌、腹内斜肌、腹横肌、腹横筋膜、腹膜外筋膜、壁腹膜

B、术中应注意是否有肠系膜上淋巴结的转移

C、术中应分离结扎肠系膜下动脉的分支

D、术中应注意避免损伤髂腹下神经和髂腹股沟神经

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