第四章测试1.Which of the following statement about cystic mature teratoma is incorrect（ ）
A:Also known as dermoid cyst B:Ectodermal derivatives such as mature neural tissue can be seen C:Endodermal derivatives such as intestinal wall and intestinal mucosa can be seen D:Prone to metastasis or invasion of adjacent structures E:Fat, cartilage, smooth muscle, etc. belong to mesodermal derivatives
答案:D
2.The most common tumor in the anterior mediastinum is?（ ）
A:Neurogenic tumors B:Germ cell neoplasms C:Thymoma D:Lymphoma E:Intrathoracic thyroid neoplasms 3.Lymphoma may involve the mediastinum, hilum and supraclavicular lymph nodes.（ ）
A:错 B:对 4.Thymoma generally does not present with lymph node metastasis.（ ）
A:错 B:对 5.Which of the following are consistent with the CTA findings of aortic dissection.（ ）
A:Intima rupture can be seen in some cases B:In some cases, sharp horn like protrusions can be seen, which protrude to the true cavity C:Torn intima flap D:Aortic widening E:Display double lumen of true and false
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