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【单选题】
某截肢患者,入院时骶尾部有压疮,面积为3cmX 3cm,深达肌层,组织发黑,脓性分泌物较多,有臭味。首先应采取的护理措施是A.
清除坏死组织，用过氧化氢溶液洗净，置引流条
B.
消毒后用无菌敷料包扎
C.
暴露创面，红外线照射，每天两次
D.
50％乙醇按摩创面及周围皮肤
E.
高压氧疗
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【简答题】制动缸活塞行程超长有哪些危害？
【单选题】A vessel engaged in replenishment or transferring persons, provisions or cargo while under way can be regarded as ______
A.
a vessel restricted in her ability to maneuver
B.
a vessel constrained by her draft
C.
a vessel not under command
D.
a power-driven vessel
【简答题】制动缸活塞行程超长有哪些危害？
【单选题】A vessel is heading magnetic east and its magnetic compass indicates a heading of 086°. Which action should be taken to remove this error during compass adjustment?
A.
If the blue ends of the magnets are aft，and the fore-and-aft tray is at the top，you should add some magnets
B.
If the blue ends of the magnets are aft you should lower the fore-and-aft tray
C.
If the blue ends of the magnets are aft，and the fore-and-aft tray is at the top，you should reverse the magnets
D.
If the blue ends of the magnets are forward，and the fore-and-aft tray is at the bottom，you should add some magnets
【单选题】A pilot vessel on pilotage duty at night will show sidelights and a sternlight ______.
A.
when at anchor
B.
only when making way
C.
at any time when underway
D.
only when the identifying lights are not being shown
【单选题】Prior to loading barges over the stern of a LASH vessel，the vessel should be trimmed in what manner ________．
A.
Two to four feet by the bow
B.
Slightly by the bow
C.
No trim should be permitted
D.
Slightly by the stern
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