题目：
可根据胃管中抽出胃液的pH来判断胃肠内营养管位置，如胃管在胃内，抽出液的pH为参考（）。
A.pH<4
B.pH<2
C.pH<5
D.pH<6
E.pH<7
答案：
参考答案：B
解析：绝净的胃液pH为0.9～l.5。如果经胃管抽出的液体pH<2，可初步判断胃管留在胃内。
可根据胃管中抽出胃液的pH来判断胃肠内营养管位置，如胃管在胃内，抽出液的pH为参考（
来源：www.tikuol.com
题型：单项选择题
试题推荐
题型：多项选择题
下列情况中，( )的合同属于效力待定合同。
A．无处分权人处分他人财产
B．以胁迫手段订立
C．因重大误解订立
D．表见代理人订立
E．限制民事行为能力人订立
题型：单项选择题
臁疮症见创面色暗，黄水浸渍，患肢浮肿，纳食腹胀，便溏，面色萎黄。舌淡苔白腻。证属：（）
A．湿热下注证
B．气虚血瘀证
C．脾虚湿盛证
D．阴虚热盛证
E．气血两虚证
题型：完形填空
完形填空（共20小题，每小题1分，满分20分） 阅读下面短文、掌握其大意，然后从36~55各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。 Last year , I lost my best friend in high school . It seemed that everyone else’s life could just continue on in its 36 way, but mine couldn’t . I wasn’t sure how I was going to be able to face 37 and their gossip at school . I was forced to 38 my routine on Monday morning as usual. In the evening I returned home from school 39 completely defeated . All I wanted to do was 40 into bed and wallow（沉迷于）in my own self-pity. I pulled back the covers on my bed and 41 a pile of cards left by dad . Each card included a（n） 42 that is was to be opened on a 43 night that week. I made it through that week 44 my father . Each card 45 to say just what I needed to hear.Tuesday’s card said , “The past is painful to think about and the 46 is impossible to imagine.Don’t try.Just take it one minute at a time.”On Wednesday my mood 47 when I read. “What you are feeling now is 48 and normal.It still feels very bad , but it is part of the healing 49 .”Friday’s card contained a poem he wrote.The last lines made me smile through my tears. “Whatever special 50 you face along life’s way,may you 51 that you will find the best in every day.”I was instructed to open the last card 52 the party I went to on Saturday night . In it he wisely reminded me to 53 . “The world isn’t so bad after a good laugh.The more you laugh.the more you heal.”Each card was signed , “Love , Dad.” My world once collapsed but I 54 the difficult breakup eventually. It owed to my dad, who made his 55 known when he couldn’t be present
|
题型：单项选择题
下面对甲状腺功能减退常见的病因的叙述，错误的是
A．遗传性甲状腺激素受体缺陷
B．慢性或急性甲状腺炎的中后期
C．甲状腺切除
D．抗甲亢药或放射性碘治疗过量
E．TRH或TSH释放不足所致的继发性甲减
题型：判断题
经济制度是生存制度。
