NEET2010ZoologyHuman Health and DiseasesActual
Which one of the following statements is correct with respect to AIDS?
Options
- AThe HIV can be transmitted through eating food together with an infected person
- BDrug addicts are least susceptible to HIV infection
- CAIDS patients are being fully cured cent per cent with proper care and nutrition
- DThe causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers
Correct answer
D. The causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers
Step-by-step solution
AIDS (Acquired Immuno Deficiency Syndrome) is a viral disease of immune system. It is caused by virus Human Immunodeficiency Virus (HIV). In AIDS patients, the virus homes on CD ₄+ T-cells (helper T-lymphocytes), infecting and killing them until none are left. Without their crucial immune system cells, the body cannot mount a defence against invading bacteria or viruses. AIDS patient die off infections that a healthy person could fought off.