LIFE SCIENCE

Detailed explanation-1: -Natural immunity is acquired from exposure to the disease organism through infection with the actual disease. Vaccine-induced immunity is acquired through the introduction of a killed or weakened form of the disease organism through vaccination.

Detailed explanation-2: -Active Immunity-antibodies that develop in a person’s own immune system after the body is exposed to an antigen through a disease or when you get an immunization (i.e. a flu shot). This type of immunity lasts for a long time.

Detailed explanation-3: -An immunoglobulin molecule is an antigen that B cells secrete. An injection of antibodies produces active immunity. As a result of the allergen-antibody reaction, mast cells release histamine.

Detailed explanation-4: -Examples of active immunity include a person’s resistance to strep throat due to a previous infection or a person’s immunity to polio due to the polio vaccine. Types of active immunity can either be natural active immunity or artificial active immunity.

Detailed explanation-5: -Live vaccines are used to protect against: Measles, mumps, rubella (MMR combined vaccine) Rotavirus. Smallpox.