MCQ IN MEDICINE

Detailed explanation-1: -Passive Immunity. Passive immunity is provided when a person is given antibodies to a disease rather than producing them through his or her own immune system. A newborn baby acquires passive immunity from its mother through the placenta.

Detailed explanation-2: -Passive immunity can occur naturally, such as when an infant receives a mother’s antibodies through the placenta or breast milk, or artificially, such as when a person receives antibodies in the form of an injection (gamma globulin injection).

Detailed explanation-3: -A type of immunity that occurs when a person is given antibodies rather than making them through his or her own immune system. For example, passive immunity occurs when a baby receives a mother’s antibodies through the placenta or breast milk.

Detailed explanation-4: -Artificial immunity can be active or passive. Figure: Immunity: Natural immunity occurs through contact with a disease causing agent, when the contact was not deliberate, where as artificial immunity develops only through deliberate actions of exposure.

Detailed explanation-5: -Artificial active immunity is the result of vaccination. During a vaccination, a weakened, dead, or partial pathogen is injected into the body. The body then produces antibodies against that pathogen for later use. Common examples of vaccines include Polio, Hepatitis B, Chickenpox, and Smallpox.