普萘洛尔的主要药理作用是()。 A.扩张冠状动脉 B.降低心脏前负荷 C.降低左心室

题型:单项选择题 A1型题

问题:

普萘洛尔的主要药理作用是()。

A.扩张冠状动脉

B.降低心脏前负荷

C.降低左心室壁张力

D.阻断β受体,减慢心率,抑制心肌收缩力

E.扩张外周血管

考点:中西医结合执业医师中西医结合执业医师模拟试卷(一)第二单元
题型:单项选择题 A1型题
设命题p:方程x2+mx+1=0有实根,命题q:数列{
1
n(n+1)
}
的前n项和为Sn,对∀n∈N*恒有m≤Sn,若p或q为真,p且q为假,求m的取值范围.
题型:单项选择题 A1型题

肩部特殊体检中,"上肢上端不能靠近大结节,反而靠近肩峰时,即为阳性。提示肱骨头向前内脱位或肩胛骨颈部骨折"的是()。

A.肩三角试验

B.展臂快速伸屈手指试验

C.直尺试验(Hamilton征)

D.深呼吸试验(Adson试验)

E.肩内收试验(Dugas征,或搭肩试验)

题型:单项选择题 A1型题

肝硬化并发原发性腹膜炎时腹水性质是

A.漏出液
B.渗出液
C.血性腹水
D.乳糜液
E.界于渗出液与漏出液之间

题型:单项选择题 A1型题

Personality is to a large extent inherent. A-type parents usually (1) A-type offspring. But the environment must also have a profound effect (2) if competition is important to the parents, it is (3) to become a major factor in the lives of their children.

One place where children (4) A characteristics is school, which is, (5) its very nature, a highly competitive institution. Too many schools (6) the "win at all costs" moral standard and measure their success by sporting achievements. The current (7) for making children compete against their classmates or against the (8) produces a two-layer system, in which competitive A types seem in some way better than their B type fellows. Being too (9) to win can have dangerous consequences: remember that Pheidippides, the first marathon runner, (10) dead seconds after saying. "Rejoice, we conquer!"

(11) the worst form of competition in schools is the disproportionate emphasis on examinations. There is, for example, a (12) school that allows pupils to concentrate on those things they do well. The (13) of competition by examination are somewhat questionable, but competition in the certain (14) of failure is positively harmful.

(15) , it is neither practical nor desirable that all A youngsters change into B’s. The world needs types, and schools have an important duty to try to (16) a child’s personality to his possible future employment. It is top management.

If the preoccupation of schools with academic work was (17) , more time might be spent teaching children surer values. Perhaps selection (18) the caring professions, especially medicine, could be made less by good grades in chemistry and more by such (19) as sensitivity and sympathy. It is surely a mistake to choose our doctors exclusively from A type stock. B’s are important and should be (20) .

7()

A.passion

B.support

C.initiative

D.desirability

题型:单项选择题 A1型题

下列哪些项目可作为诊断慢性肺心病的条件()

A.慢性肺、胸疾病史

B.左室肥大或左心衰竭

C.右室肥大或右心衰竭

D.肺动脉高压表现

E.以上都不是

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