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问题 单项选择题

患者，女，30岁，G2P0，孕24周时B超报告：胎盘位于子宫前壁下段，部分覆盖宫颈内口，产科检查正常。

该孕妇于孕37周时突然 * * 多量出血，不伴腹痛，急诊入院，检查：血压12/8kPa(90/60mmHg)，脉搏100次/分，宫高33cm，胎心140次/分，LOA，头浮，无宫缩， * * 出血估计200ml，此时应行何种处理

A．给予宫缩抑制剂

B．静脉点滴催产素引产

C．人工破膜引产

D．子宫下段纵切剖腹产

E．子宫下段横切剖腹产

答案

参考答案：D

单项选择题

请根据下面短文回答：
Open Time: 9:00 to 17:00 Tuesdays through Sundays(sales stop at 16:00)
Ticket Prices: Full Price: RMB 30; Half Price: RMB 15
Free invitation tickets are distributed every Wednesday and shall not exceed the approved quota. The corresponding policies are:
· 200 invitation tickets are freely distributed to the public every Wednesday.
· Visitors shall go to the bamboo courtyard on the first underground floor east to pick up invitation tickets according to the order of the telephone reservation from 8:30 to 11:00 a.m. every Wednesday.
· Staff of the museum will distribute the 200 free invitation tickets based on the order of the telephone reservation until the quota is used up.
· Visitors shall get the free invitation ticket by using their valid certificate.
Distribution is limited to per person.
· Visitors using the free invitation ticket cannot visit the special exhibitions.
Tickets are only valid on the date indicated.
Year-round Free Admission Policies.
· Retired people with the provision of their certificates of retirement
· Disabled people with the provision of their certificates of disability
· Disabled soldiers with the provision of their certificates of disability
· Staff working in the culture and museum systems with the provision of their employment certificates
· Children less than 120 cm in height and accompanied by adults (those without adult accompaniment will not be admitted and the accompanying adult must purchase a ticket as per regulations)
Routes:
Subway: Muxidi Station, Line 1
Buses: No.1, No.4 and Special Bus No.1 to the stop "Muxidi".
Reservation Telephone: 63370491 63370492

Tickets are sold______.
[A] from 9:00 to 17:00
[B] from 9:00 to 16:00
[C] from 10:00 to 17:00
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单项选择题

影响机体氟吸收的因素不包括（）

A.氟化物溶解度太小

B.食物中钙、铝含量高

C.口腔黏膜不能吸收氟元素

D.年龄

E.是否空腹
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