RRB Asked This 2 Times in ONE Shift! 😱 Immunity & HIV PYQs Part 1 | RRB Nursing Superintendent 2026

RRB Asked This 2 Times in ONE Shift! Immunity & Infection PYQs Part 1 for RRB Nursing Superintendent 2026, RRB Staff Nurse, NORCET, AIIMS, ESIC, PGIMER, JIPMER and all Staff Nurse exams. In the 29 April 2025 Shift 2 paper, RRB asked "which antibody crosses the placenta" TWICE. Watch till the end! Part 1 covers immunity: immune cells, antibodies, HIV, inflammation and anaphylaxis. 21 real RRB previous year questions arranged from easy to tough. Every question comes with the answer, WHY it is correct, and a one-line trick to REMEMBER it. Taught by a Nursing Officer from the General Surgery Operation Theatre, AIIMS New Delhi. 📌 What you will learn ✅ Phagocytosis & neutrophils ✅ IgG crosses the placenta (asked 2 times) ✅ Humoral vs cell-mediated immunity: B cells vs T cells ✅ HIV: CD4 cells, CD4 count, zidovudine & how it does NOT spread ✅ Hepatitis B: the only DNA hepatitis virus ✅ NK cells & innate immunity ✅ Autoimmunity ✅ Spleen & thymus ✅ Abscess formation ✅ Serotonin & inflammatory mediators ★ ✅ Sensitivity test before antiserum ✅ Allergen immunotherapy ✅ Beta-blockers & anaphylaxis ✅ Anaphylaxis: airway + IM adrenaline first 📊 3 screenshot-ready tables: antibodies (GAMED), immune cells, anaphylaxis first steps with adult dose 📝 BONUS: 8 must-know immunity facts on one revision slide 📝 Papers: RRB Staff Nurse 2018 & 2019 · RRB Nursing Superintendent 2025 & 2026 🎯 Best for: RRB Nursing Superintendent 2026 · Railway Staff Nurse · AIIMS NORCET · ESIC Nursing Officer · PGIMER · AIIMS Madurai · JIPMER · DSSSB · State Staff Nurse exams · Nursing Officer exams ▶️ Also watch the full system-wise series on the channel: Cardiovascular, Respiratory, Gastrointestinal, Renal, Nervous System and Endocrine PYQs. 👉 Part 2 (Infection control & vaccines: BCG, measles, filaria, malaria, carriers) is coming next. SUBSCRIBE and press the bell 🔔 💬 Comment your score out of 21. Be honest! 📤 Share this with your nursing friends preparing for RRB 🔗 Get one free RRB / NORCET / AIIMS MCQ every day ▶️ YouTube:    / @way2nursingofficer   📸 Instagram:   / way2nursingofficer   ✈️ Telegram: https://t.me/WAY2NURSING 💚 WhatsApp Channel: https://whatsapp.com/channel/0029VbCd... #RRBNursingSuperintendent #RRBStaffNurse #NursingMCQ #NORCET #StaffNurseExam