A natural body defense that plays an active role in preventing infection O Yawning O Body hair

Q: An anti-histamine is administered to prevent which cells from causing inflammation? O macrophages O…

A: Our immune system used different cellular, physical and physiological components that provides us a…

Q: Macrophage, when they encounter an antigen or pathogen release:     Histamines.…

A: INTRODUCTION Macrophages These are cells that helps in phagocytosis.

Q: Phagocytosis is the process by which neutrophils and macrophages O Helps block entry of bacteria…

A: Phagocytosis is a cellular process involved in eliminating foreign substances and cell apoptotic…

Q: Ultraviolet (UV) radiation is known to damage skin. UVA wavelengths are able to reach the dermis,…

A: Ultraviolet Radiations forms a part of the electromagnetic spectrum and is categorized according to…

Q: Which of the following is a component of the first line of defense in the innate defense system?…

A: Immune system in our body is a complex biological system that plays a major role in recognizing the…

Q: Why is injecting a substance into the skin like injecting it intothe lymphatic system?

A: Arteries, veins and capillaries are located under the skin. If we want to inject in the…

Q: The organs of the lymphatic system help defend the body against disease causing agents called

A: According to the question, we have to mention the name of the Organs of the lymphatic system that…

Q: cell mediated immunity O O O T-cell B-cell activated by antigen-antibody interaction immunoglobin

A: The adaptive immunity that is developed due to experience is divided into two components that are-…

Q: The mucus lining of organ systems open to the external environment is an example of ________…

A: Defence system  The organism body defence system protect the organism from foreign invaders.

Q: List four innate defensive responses present in the body, and explainhow each type functions to…

A: Innate immunity is the nonspecific defense mechanisms that gets activated immediately or within…

Q: Which of the following cell functions in the immune response in the skin?     Merkel cell…

A: Skin is a protective envelope around the body and is a part of integumentary system. It comprises of…

Q: Epithelial tissue covers surfaces and lines cavities. This is the ___ line of defense.…

A: Immune system is responsible for killing the foreign body present in our body.

Q: Phagocytes are drawn to the area of cell damage by histamine by a process called

A: Phagocytes are categorised as white blood cells. They are responsible for engulfing cellular debris,…

Q: B and T lymphocytes are part of the adaptive defense system because th     adapt to their…

A: Immunity is  the ability of an organism to resist disease causing microorganisms or pathogens. There…

Q: Which inflammatory cytokines are found more frequently in microglia and macrophages in thr spinal…

A: IFN-alpha and IFN-beta

Q: A major outcome in response to the is the production of O complement cascade activation; a MAC in…

A: It is a complex biological system endowed with the capacity to recognize and tolerate whatever is…

Q: What kind of things with the immune Can go wrong immune Function

A: The immune system is a critical component for the survival of the human body. It is composed of…

Q: Which of the following cells is not phagocytic? Monocyte Dendritic cells Macrophage Chondrocyte

A: Phagocytic cells are a type of white blood cell that use phagocytosis to engulf bacteria, foreign…

Q: Lymphatic capillaries are formed by similar to blood capillaries. O collagen smooth muscle O…

A: Lymphatic capillaries: a. The capillaries collect interstitial fluid and dissolved particles, which…

Q: The inflammatory response is an important innate immune system response. Which of the following is…

A: Inflammation is the immune system's response to harmful stimuli, such as pathogens, damaged cells,…

Q: Cells whose main function is in specific defenses, but not in nonspecific defenses include: O…

A: Immunity is of 2 types - specific and non specific.  Specific immunity or defence is the immune…

Q: Which is not an effector Tlymphocyte? cytoxic T lymphocyte helper T lymphocyte memory T lymphocyte

A: Human body has an extremely well developed immune system for the protection against pathogens. Human…

Q: The following provide physical innate protection: hair, mucus, tears, and -O B & T cells macrophages…

A: Macrophages are the phagocytic cells that engulf antigens, dead cells, and foreign bodies.  B and T…

Q: T-helper cells release signal molecules called immune response cytokines, nonspecific (or innate)…

A: Helper T cells or Th cells coordinate immune responses by communicating with other cells.  In…

Q: Inflammatory responses may include which of the following? Reduced permeability of blood vessels to…

A: Inflammatory response is a part of of innate immunity. Innate immunity or response includes all the…

Q: Which is not a sign of inflammation? heat possible loss of mobility nausea pain

A: Inflammation is a wound condition that appears in the body.  It is an immune response caused by…

Q: Humoral immunity is a characterized by B-lymphocytes that respond to become plasma cells and produce…

A: Immunity is the ability of the body to fight against the antigen or pathogenic substances by…

Q: A hypothetical disorder prevents memory cells from forming. What effect would this have on the…

A: Memory cells are produced when B cells encounter antigens and effector cells called plasma cells…

Q: Which is NOT a role of sebum in the innate immune system. Group of answer choices dehydrates…

A: Sebaceous glands are present on the skin. The glands are mostly present on the chin, forehead and…

Q: immunity is characterized by the activation of T-cells that can attack and destroy the invaders…

A: Since they are necessary for practically all adaptive immune responses, helper T cells are probably…