当眼调节静止时,外界的平行光线经眼的屈光系统后恰好在视网膜黄斑中心凹聚焦,这种屈光状态称为正视。
参考答案:对
Directions. The question below is followed by six choices numbered 260-265. If a choice is correct, mark A in the space provided. If a choice is not correct, mark B. Blacken one circle on your answer sheet for each number. While providing care to a 26-year-old married female, the nurse notes multiple ecchymotic areas on her arms and trunk. The color of the ecchymotic areas ranges from blue to purple to yellow. When asked by the nurse how she got these bruises, the client responds, "Oh, I tripped. " How should the nurse respond
Tell the client that she needs to leave the abusive situation as soon as possible.
水肿的产生机理不包括()
A.钠、水潴留
B.毛细血管滤过压升高
C.毛细血管通透性增高
D.血浆胶体渗透压增高
E.淋巴液或静脉回流受阻