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【多选题】
关于气道异物下列说法正确的是A.
儿童气道异物多发生在 3岁以下儿童，发病高峰在1-2岁之间
B.
成人气道异物的临床表现往往不明显或无症状
C.
成人气道异物多发生于创伤后意识丧失、药物、酒精过量等中毒、麻醉状态
D.
窒息是意识清楚的成人发生气道异物后最常见的表现
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【单选题】医嘱小儿百服宁1/4片q6h, prn,其中q6h, prn的意思是:
A.
长期备用，每次间隔不少于6h
B.
临时备用，每次间隔不少于6h
C.
长期备用，每6h 1次
D.
临时备用，每6h 1次
E.
每次间隔不少于6h
【简答题】A ruby laser, a device that produces light in a narrow range of wavelengths emits red light at a wavelength of 694.3 nm (Figure 6.2. 4 6.2. 4 ). What is the energy in joules of a single photon? Given:...
【简答题】An x-ray generator, such as those used in hospitals, emits radiation with a wavelength of 1.544 Å. What is the energy in joules of a single photon? How many times more energetic is a single x-ray phot...
【多选题】Write “F” in front of the statement if it’s a firm offer or “N” if it’s a non-firm offer1. We are making you an offer without engagement as follows2. The goods are offered subject to your acceptance h...
A.
N
B.
F
C.
F
D.
N
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