Identify which type of immunity each example represents.
Explanation & Rationale
Rationale: Active Natural Immunity: This type of immunity is acquired when the body is exposed to a live pathogen, and it produces antibodies to fight the infection. This results in long-term immunity as the body "remembers" how to fight the pathogen in the future. Active Artificial Immunity: This occurs when the body is exposed to a weakened or inactivated form of a pathogen, typically through vaccination. The immune system creates antibodies to defend against the disease, and this protection can last for years or even a lifetime. Passive Natural Immunity: This occurs when antibodies are passed from mother to fetus during pregnancy, typically through the placenta, or through breast milk after birth. This provides the newborn with temporary immunity until their own immune system matures. Passive Artificial Immunity: This occurs when antibodies are transferred into an individual via an external source, such as through an injection of immunoglobulins. This provides immediate, but temporary, protection against certain infections or toxins.