HIV is a kind of

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• A 35-year-old female has progressive numbness of the right arm and difficulty see­ing objects in the left visual field. She is known to be HIV positive,but has not consistently taken medications in the past. On examination,she appears healthy,but has a right homon­ymous hemianopsia and decreased sensory perception in her left upper extremity and face. Her CD4 count is 75 cells per fA,and her MRI is consistent with a demyelinating lesion of the left parietooccipital area. CSF PCR for JC virus is positive. Which of the following is the most appropriate treatment in this case
• A 5 years old boy shows no interest in other children and ignores adults other than his parents, even he is hard to make eye contact with people around him. He spends hours lining up his toy cars or spinning their wheels but does not use them for “make-believe” play. He likes watch the same movie over and over again. He rarely uses speech to communicate, and his parents state that he has never done so. He is “in his own world” most of time. Physical examination indicates that his head is of normal circumference and his gait is normal. What is the most likely diagnosis for the boy
• Which stage is the most contaminate in HAV infection
• 在cART时代，与HIV单一感染相比,与HBV或HCV合并感染的HCC发病率高出_倍以上
• A middle-aged man is chronically preoccupied with his health. For many years he feared that his irregular bowel functions meant he had cancer. Now he is very worried about having a serious heart disease, despite his physician＇s assurance that the occasional“ extra beats” he detects when he checks his pulse are completely benign. Which of the following is the most likely diagnosis
• Which of the following is high-risk HPV of cervical cancer
• Which of the following statements about congenital dislocation of hip is true
• A middle-aged man is chronically preoccupied with his health. For many years he feared that his irregular bowel functions meant he had cancer. Now he is very worried about having a serious heart disease，despite his physician '' s assurance that the occasio
• An 8-year-old boy is brought by his parents to the psychiatrist with a 9 months history of making careless mistakes and not listening in class or at home. His mother stated that he showed high distractibility during doing his homework. He is easily forgetful and often loses his books and red scarf. He is noted to be fidgety, talking excessively and interrupting others. Which of the following medications is the most likely to help with this boy''s symptoms