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问题 名词解释

板状腹（board-like rigidity）

答案

参考答案：

急性胃肠穿孔或脏器破裂所致急性弥漫性腹膜炎时，由于腹膜刺激而引起腹肌痉挛，腹壁常有明显紧张，甚至强直硬如木板，称板状腹.

多项选择题

关于结膜囊缩窄、闭锁的处理，叙述错误的是（）

A.结膜囊缩窄若同时伴有眼睑缺损或位置异常，应首先整复眼睑，使之恢复正常形态，然后再行结膜囊成形术

B.对于由外伤、热烧伤、化学伤后所致的结膜囊缩窄闭锁，无论瘢痕情况如何，一般可在受伤6~12个月进行手术

C.由于下睑松弛，使义眼下坠而自行滑出，不易保持在结膜囊内者，应先行下睑松弛矫正术

D.由于眶骨骨折移位或眶骨缺损、发育畸形等造成眶腔狭窄，应予以处理，以利于结膜囊的成形

E.部分结膜囊成形术应首选皮瓣移植，以利于血运重建，拮抗术后挛缩
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单项选择题

Ink-jet printer belongs to nonimpact printers in which the characters are formed by projecting particles or droplets of ink on to paper. (71) printer is also a n0nimpact printer in which the characters are produced by applying hot elements to heat-sensitive paper directly or by melting ink from a (72) on to plain paper. Electrostatic printer creates an electrostatic latent image, which is then made visible by a toner and transferred and fixed on paper. An electrostatic printer may be used in some instances as a (73) . Laser printer creates, by means of a laser beam directed on a (74) surface, a latent image which is then made visible by a toner and transferred and fixed on paper. Magnetographic printer creates, by means of magnetic heads operating on a metallic drum, a latent image which is then made visible by a toner and transferred and fixed on paper. Computer-output-microfilm (COM) printer produces on a photographic film a (75) of each page.

（71）处填（）。

A．Hot

B．Warm

C．Heat

D．Thermal
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