Human Health & Disease
AIDS
AIDS koi seedhi bimari nahi hai — ye tumhare immune defence ka dheere-dheere collapse hai, jab HIV virus use saalon me disable kar deta hai.
HIV ek retrovirus hai: apne RNA ko DNA me copy karke tumhari immune cells (mukhya roop se helper T-cells) me daal deta hai aur chhup jaata hai. Saalon tak ye in cells ko destroy karta hai, to defence chupchaap kamzor hoti jaati hai.
Jab immune system tut jaata hai, aam microbes bhi serious infection karne lagte hain. Wahi stage — immune failure + ye infections — AIDS hai. Ye sirf blood, semen, vaginal fluids aur breast milk (maa se bachche tak) se failta hai, aur ELISA test se pakda jaata hai.
Yahaan students galti karte hain
Do galtiyan: HIV touch, khana share karne, ya machhar se NAHI failta — body-fluid contact chahiye. Aur HIV (virus) aur AIDS (uski late stage) ek cheez nahi hain.
Exam me kaise kaam aata hai: ELISA se diagnosis, retrovirus mechanism, aur transmission routes baar-baar aate hain.
Ek quick check
HIV infection confirm karne ke liye kaunsi technique use hoti hai?
- AWidal test
- BMRI scan
- CBiopsy
- DELISA