近交系动物每年至少进行()次遗传质量检测。A.1 B.2 C.3 D.4

题型:单项选择题

问题:

近交系动物每年至少进行()次遗传质量检测。

A.1

B.2

C.3

D.4

考点:生物学实验动物学实验动物学题库
题型:单项选择题

A few days after a colectomy, a client suddenly develops chest pain, shortness of breath, and air hunger. The nurse knows she must further assess the client’s chest pain to determine its origin. When determining whether the chest pain is cardiac or pleuritic in nature, the nurse knows that pleuritic chest pain typically

A. is described as crushing and substernal.
B. worsens with deep inspiration.
C. is relieved with nitroglycerin.
D. is relieved when the client leans forwar

题型:单项选择题

旋毛虫幼虫在动物体内适合形成包囊的组织是()

A.心肌

B.平滑肌

C.肠道

D.淋巴管

E.骨骼肌

题型:单项选择题

初次配戴隐形眼镜者,第一次要求配戴后几天复查。()

A、2天

B、5天

C、7天

D、15天

题型:单项选择题

按断层切割深度,可将断层划分为()、()、()、()、()。

题型:单项选择题

刘禅的母亲是谁?

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