This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Regarding HIV which of the following is not true: 
Select and explain. 
A. It is a DNA retrovirus, B. Contains Reverse Transcriptase, C. May infect host CD 4 cells other than T lymphoctyes, D. Causes a reduction in host CD 4 cells at late stage of disease
A: It is a DNA retrovirus
Answer: A: It is a DNA retrovirus 
Explanation: HIV is RNA retrovirus (not DNA virus)
• It primarily infect CD4+ T cells but can infect other cells also which bear CD4 receptor on their surface.
These include circulating dendritic cells; epidermal langerhan’s cells; monocytes.