A client with a retinal detachment does not understand what happened to his eye and asks the nurse's explanation. Which of the following would be the nurse's best response to describe the pathology of retinal detachment

A．"The optic nerve is damaged when it is exposed to vitreous humor. "

B．"A tear in the retina permits the escape of vitreous humor from the eye. "

C．"The two layers of the retina separate, allowing fluid to enter between them. "

D．"Retinal injury produces inflammation and edema that increase intraoeular pressure. "

下列对清道夫受体的叙述，错误的是

A．清道夫受体分布于胎盘、肝、脾等处的单核巨噬细胞系统

B．对氧化型LDL具有高亲和力

C．促使脂蛋白之间转移胆固醇

D．是LDL受体途径以外的脂质摄取途径

E．受体具有跨膜结构域