某患者,耳部疼痛数月,伴听力下降,乳突部压痛。需行X线检查。首选摄影体位是 A.双耳

题型:单项选择题

问题:

某患者,耳部疼痛数月,伴听力下降,乳突部压痛。需行X线检查。

首选摄影体位是

A.双耳侧位
B.头颅侧位
C.许氏位
D.瓦氏位
E.柯氏位

考点:医技考试放射技士专业实践能力初级放射医学技士专业实践能力
题型:单项选择题

The effect of the baby boom on the schools helped to make possible a shift in thinking about the role of public education in the 1920’s. In the 1920’s, but especially (1) the Depression of the 1930’s, the United States experienced a (2) birth rate. Then with the prosperity (3) on by the Second World War and the economic boom that followed it, young people married and (4) households earlier and began to (5) larger families than had their (6) during the Depression. Birth rates rose to 102 per thousand in 1946, 106.2 in 1950, and 118 in 1955. (7) economics was probably the most important (8) , it is not the only explanation for the baby boom. The increased value placed (9) the idea of the family also helps to (10) this rise in birth rates. The baby boomers began streaming (11) the first grade by the mid-1940’s and became a (12) by 1950. The public school system suddenly found itself (13) The wartime economy meant that few new schools were buih between 1940 and 1945. (14) , large numbers of teachers left their profession during that period for better-paying jobs elsewhere.

(15) , in the 1950’s, the baby boom hit an antiquated and inadequate school system. Consequently, the custodial rhetoric of the 1930’s no longer made (16) ; keeping youths ages sixteen and older out of the labor market by keeping them in school could no longer be a high (17) for an institution unable to find space and staff to teach younger children. With the baby boom, the focus of educators (18) turned toward the lower grades and back to basic academic skills and (19) . The system no longer had much (20) in offering nontraditional, new, and extra services to older youths.

14().

A. Moreover

B. However

C. Otherwise

D. Thus

题型:单项选择题

关于性腺轴的叙述,错误的是()

A.FSH在整个周期中都产生,但在排卵前1~2日有峰值

B.FSH,LH在下丘脑产生的激素控制下分泌

C.卵巢周期性变化,直接受到下丘脑和垂体控制

D.孕激素在月经周期中出现两个峰值,后面峰值较高

E.雌激素在月经周期中表现为排卵后的峰值比前面平坦

题型:单项选择题

关于虚拟存储器,以下说法错误的是()。

A.虚拟存储器由主存和辅存两级组成

B.在虚拟存储器技术中,为解决虚、实地址的变换,需对虚、实空间都进行分段、分页管理并进行地址映射

C.一般虚存空间远远小于实存空间

D.虚拟存储器具有辅存的容量,而又具有接近主存的存取速度

题型:单项选择题

老年人多不饱和脂肪酸、单不饱和脂肪酸提供的能量占总能量的()比较合适。

A、8-10%,10%

B、10%,10%

C、8%,8%

D、12%,10%

题型:单项选择题

在手选过程中应注意哪些安全事项?

更多题库