第18题: [单项选择]不符合高渗性脱水特征的是() A. 细胞外液渗透压升高 B. 细胞内水分向细胞外渗出 C. ADH分泌减少 D. 尿少 E. 尿比重增高 参考答案:C 答案解析:高渗性脱水患者体液丧失以水分为主,钠盐损失较少,导致细胞外液渗透压增高。由于细胞内液渗透压相对较低,细胞内的水分向细胞外液渗出,导致细胞内脱水,体液渗透压升高,通过渗透压感受器的反射使血管升压素(抗利
第34题: [单项选择]The mean draft of a ship is the draft(). A. midway between the forward and aft draft marks B. at the center of flotation C. at the load line D. at the center of buoyancy 参考答案:A
第35题: [单项选择]Where did this conversation take place A. Because he didn’t try it on when he bought it. B. Because he had grown after he got it. C. Because his uncle was not sure about his size. 参考答案:C