皮肤中的毛细血管和毛细淋巴管主要位于 ["A．真皮乳头层","B．真皮网状层","C．表皮","D．皮下组织"]
分析病变时应注意哪些问题?
小汗腺分布最多的部位是 ["A．头皮","B．躯干","C．掌跖、腋","D．四肢"]
黑素细胞可产生以下哪种黑素 ["A．棕黑素","B．黄黑素","C．褐黑素","D．深黑素"]
开放性脑损伤的描述哪项正确() ["A．头皮裂伤","B．颅骨骨折","C．有脑脊液漏或脑组织从伤口溢出","D．头皮裂伤并颅骨骨折","E．以上都不是"]
胸部透视时需观察哪些内容?
