Correct option is C
The statement that innate immunity has only a narrow range of specificity is incorrect. In fact, innate immunity has a broad range of specificity. It recognizes patterns that are common to many pathogens but does not focus on specific pathogens. This wide recognition capacity is due to the use of pattern recognition receptors (PRRs) that can detect pathogen-associated molecular patterns (PAMPs) present in many microorganisms.
Information Booster:
- Pattern recognition receptors (PRRs) are an essential component of the innate immune system. They detect general features (PAMPs) found in pathogens such as bacteria, viruses, and fungi.
- Serum complement proteins are part of the innate immune response. They assist in identifying pathogens and triggering processes like inflammation, cell lysis, and phagocytosis.
- The main outcome of innate immunity is the rapid recognition, phagocytosis, and destruction of pathogens. This is achieved through several mechanisms, including the activity of neutrophils, macrophages, and natural killer cells.
Additional Information:
- Pattern recognition receptors (PRRs): These are proteins on the surface of cells that help detect foreign pathogens. They bind to specific molecules found on pathogens and initiate immune responses.
- Serum complement proteins: These proteins form part of the complement system, which assists in immune responses by marking pathogens for destruction and facilitating inflammation.
- Innate immunity specificity: While innate immunity may seem specific in recognizing PAMPs, its specificity is much broader than adaptive immunity, which targets specific antigens.
- Rapid response: Innate immunity acts immediately and doesn't require the immunological memory characteristic of adaptive immunity.
