女孩，11岁，因头痛20余天，发热伴呕吐6天入院。查体：神志清。嗜睡，消瘦面容，颈部抵抗，心肺无明显异常。舟状腹，肝脾不大，巴氏征、克氏征阳性。在院外曾进行大剂量青霉素及头孢曲松治疗5天。

若患儿确诊为结核性脑膜炎，典型的脑脊液改变符合（）。

A.糖正常，氯化物升高，蛋白明显下降，细胞数升高，以中性粒细胞为主

B.糖明显下降，氯化物正常，蛋白明显升高，细胞数升高，以中性粒细胞为主

C.糖明显下降，氯化物下降，蛋白明显升高，细胞数升高，以淋巴增高为主

D.糖正常，氯化物正常，蛋白升高，细胞数升高，以淋巴为主

E.糖明显升高，氯化物正常，蛋白正常，细胞数正常

F.脑脊液压力增高，外观呈毛玻璃样，静置后可有蜘蛛网状薄膜形成

G.脑脊液压力增高，外观混浊，革兰染色可检出阳性球菌

Mrs. Cray, an African American, is admitted to the hospital after sustaining a hip fracture. She is 5 ft. , 4 inches tall and weighs 96 lbs. She has five children and has used estrogen replacement therapies for 10 years. She told the nurse that she "just stepped forward and fell. " The results of her bone density tests indicate she has osteoporosis. Which of the following is the greatest risk factor for osteoporosis for this woman()

A. Her long-term use of estrogen.

B. Her weight.

C. Her family.

D. Her race.