Which chamber of the human heart receives deoxygenated blood from the body? MCQ with Answer and Explanation

Explanation:
BCG (Bacille Calmette-Guérin) is a live attenuated vaccine derived from Mycobacterium bovis, used against tuberculosis, primarily in children. Polio vaccine (OPV/IPV) prevents poliomyelitis, DPT prevents diphtheria, pertussis, tetanus, and MMR prevents measles, mumps, rubella. BCG is often administered at birth in TB-endemic countries.

Explanation:
Rabies is a viral zoonotic disease caused by the rabies virus, transmitted through the saliva of infected animals (dogs, bats, raccoons) via bites or scratches. It affects the central nervous system and is almost always fatal once symptoms appear. Post-exposure prophylaxis (wound cleaning, rabies immunoglobulin, and vaccine) is effective if given promptly.

Explanation:
Epidermis is outer layer, melanin absorbs UV. Sebaceous glands produce sebum (oil), sweat is from sudoriferous glands. So 3 is incorrect.