题目内容

关于子宫肌瘤的声像图表现，错误的是

A. 子宫增大，轮廓正常或异常
B. 子宫肌瘤内部回声复杂，多数为低回声，少数为等回声或高回声
C. 子宫肌瘤发生玻璃样变时，变性区漩涡状结构消失，呈边界模糊的高回声区
D. 较大的壁问肌瘤可压迫或推挤官腔，使内膜移位或显示不清
E. 阔韧带肌瘤易误诊为卵巢肿瘤、子宫畸形等

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关于黏膜下肌瘤的描述，不正确的是

A. 肌瘤向宫腔内突入，表面覆盖一层子宫内膜
B. 子宫内膜变形，内膜下肌层可见低回声结节突向官腔
C. 带蒂的黏膜下肌瘤可以突入宫颈管内，仔细扫查可见蒂与子宫内膜相连
D. 黏膜下肌瘤与宫腔内膜之间有裂隙
E. 带蒂的黏膜下肌瘤蒂部可显示一条供血血管，借此可判断肌瘤附着之处

患者女性，42岁，孕3产1。经量增多并经期延长3年余，同时伴有进行性痛经。妇科检查发现子宫均匀性增大，质硬并有压痛临床首选的辅助检查项目为

A. CT
B. 超声
C. 腹部X片
D. MRI
E. 官腔镜

对正常子宫声像图的描述，不正确的是

A. 横断面子宫体呈椭圆形
B. 子宫体呈均匀的中等强度回声
C. 官腔呈线状强回声
D. 宫颈回声较宫体稍强，且致密
E. 纵断面后倾后屈子宫呈倒置梨形

Staying Active in Old Age Keeps People MobilePeople over 70 who aren"t active are more likely to develop problems walking or climbing stairs within a few years, according to a new study.These findings suggest that it"s very important to stay 1 in old age, study author Dr. Marjolein Visser told Reuters Health."Physical activity in old age is as important 2 taking your medications(药物)," Visser noted. "You do not need to join an expensive, fancy sports club with high-tech (高科技的 ) equipment. Your body will already 3 from regular walking."Visser explained that 4 active helps prevent people from becoming breathless during simple activities, increase muscle mass and strength, and maintain the balance People need to walk up stairs, for instance.To investigate how important exercise is to older adults, Visser"s team interviewed 3,075 men and 5 between the ages of 70 and 79, all of whom said they had no problems walking one-quarter of a mile or climbing 6 . The investigators followed the subjects for 4-1/2 years, noting who developed problems 7 and climbing stairs.During the study,34 percent of men and 47 8 of women said they began to struggle with walking and climbing stairs. People 9 were inactive were twice as likely to report these problems as people who said they got regular exercise.People who didn"t exercise but had active lifestyles appeared to be at a somewhat higher risk of developing 10 walking and climbing stairs, relative to people who exercised 11 . Still, leading an active lifestyle appeared to protect people 12 problems better than being generally inactive, the researchers report in the Journal of the American Geriatrics (老年医学的) Society.Among people who were generally inactive, 13 who walked even a little bit—such as brisk (轻快的) walking for a little over an hour per week—were at a lower 14 of mobility (可动性) problems."If you do not like to exercise or you cannot exercise 15 of serious health problems or functional limitations, do try to be as active as possible," Visser advised.

A. risk
B. part
C. way
D. share