This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
HIV can - 
Select and explain. 
A. Cross blood brain barrier, B. RNA virus, C. Inhibited by 0.3% H2O2, D. Thermostable
A: Cross blood brain barrier
Answer: A: Cross blood brain barrier 
Explanation: it can cross blood brain barrier and cause cns infection REF:ANANTHANARAYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PGNO.576