问题
单项选择题
某孕妇现孕30周，长时间仰卧后，出现血压降低、心率加快、面色苍白等症状。
出现这种情况的主要原因是( )。
A．脉率增快
B．脉压差增大
C．脉压差减少
D．回心血量增加
E．回心血量减少
答案
参考答案：E
解析：[知识点] 妊娠中、晚期仰卧位低血压综合征
搜题请搜索小程序“爱下问搜题”
某孕妇现孕30周，长时间仰卧后，出现血压降低、心率加快、面色苍白等症状。
出现这种情况的主要原因是( )。
A．脉率增快
B．脉压差增大
C．脉压差减少
D．回心血量增加
E．回心血量减少
参考答案：E
解析：[知识点] 妊娠中、晚期仰卧位低血压综合征
I walked into the grocery store not particularly interested in buying something. The sorrow of 1 my husband of 37 years was still too painful. And this grocery store held so many sweet 2 . Bob often came with me and almost every time he'd 3 to go off and look for something special. I'd always see him walking down the walkway 4 the three yellow roses in his hands. Bob knew I loved yellow roses. With a heart 5 with pain, I came to the meat shelf, I searched for the 6 small steak and remembered how Bob had loved his steak. Suddenly a woman came beside me. She was in a soft green dress. I 7 as she picked up a large pack of T-bones, 8 them in her basket, hesitated, and then put them back. She saw me watching her and she smiled. "My husband loves T-bones, but 9 , at these prices, I don't know." "My husband passed away eight days ago," I told her. "Buy him the steaks. And value every 10 you have together." She smiled and I saw the feeling in her 11 as she placed the package in her basket and 12 away. I turned and pushed my cart forward too. Several minutes later I saw first the green suit and then 13 the pretty lady coming to me. In her arms she carried something. On her face was the 14 smile I had ever seen. As she came closer, I saw what she held and 15 welled down. "These are for you, " she said and placed three beautiful yellow roses in my arms. She placed a gentle kiss on my cheek, then smiled again. I wanted to tell her what the roses 16 , but still unable to speak. I watched as she walked away as tears clouded my 17 . I looked down at the beautiful roses and found it almost 18 . How did she know? Suddenly the 19 seemed so clear. I wasn't alone. "Oh, Bob, you haven't 20 me, have you?" I whispered, with tears in my eyes. He was still with me, and she was his angel.
|