试题与答案

Wilm瘤下列说法不正确的是() A.儿童最常见的恶性肿瘤之一,1~5岁好发,不见于

题型:单项选择题

题目:

Wilm瘤下列说法不正确的是()

A.儿童最常见的恶性肿瘤之一,1~5岁好发,不见于成人

B.可发生与肾脏任何部位,肿块巨大,钙化常呈点状或弧状

C.静脉尿路造影,肾盂肾盏系统局部或广泛分开、拉长、变短或推移

D.肿瘤内部常出现液化、坏死、囊变、出血

E.发生于肾上极的巨大肿瘤还需要与肾上腺神经母细胞瘤鉴别

答案:

参考答案:A

解析:Wilm瘤又叫肾母细胞瘤,儿童最常见的恶性肿瘤之一,约68%发生于1~5岁儿童,偶见于成人。

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It is your skin that keeps your insides from falling out. It helps you warm up when you are cold,and it can cool you off when you are hot. It lets you feel things by touch.

Like the heart, stomachand brain, your skin is an organ.In fact, it is the largest organ in your body. But it is still easy to take skin for granted.   小题1:  But skin has an important job to do.

Your skin is constantly protecting you.   小题2:  When you take care of your skin, you are helping your skin do its job. And taking care of your skin today will help prevent future problems, like wrinkles(皱纹) and even skin cancer.

小题3:   Keeping your hands clean all the time is especially important because they can spread germs(细菌) to the skin on other parts of your body.

小题4:   Cold or hot water may hurt your skin. Wet your hands, then lather up with a mild  soap (香皂). You should rub everywhere, including the palms, the wrists and the nails. Wash them well, dry thoroughly with a clean towel and you’re done.

You'll also want to use warm water when you take a bath. Use soap to clean your body. Don't forget under your arms and behind your ears! Your face needs attention, especially as you enter puberty(青春期) and the skin on your face gets more oily.  小题5:

A.One simple way to take care of your skin is to keep it clean.

B.It is a good habit to wash your hands before and after meals.

C.When washing your hands, use water that’s comfortably warm.

D.It keeps infections out of your body and keeps you from getting sick.E.Unless there’s a problem, your may not think about your skin very much.

F.Your skin plays a more important role in keeping you healthy during your puberty.

G.It’s a good idea to wash your face once or twice daily with warm water and a mild soap.

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