When a mast cell reacts to an irritation, which of the following chemicals does it release?a. collagenb. histaminec. hyaluronic acidd. meylin

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: skin has many important functions. Which of the following is excretory in nature? *       It acts as…

A: The correct option is  It produces sweat which contains excess water, salts, and small amounts of…

Q: What is the role of dendritic cells in the innate immune system?

A:

Q: dendrite cèll body axon Q/Why this type of cell does not contain melanin c) Interneuron (multipolar)

A: The nervous system Is made up of nerve cells and it is responsible for maintaining many mechanisms…

Q: A.Where are T3 and T4 made? (cells, organ) B.What organ/or cells secrete them? (may differ from site…

A: Endocrine glands are distinguished from another type of gland in the body called the exocrine gland.…

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: For each statement, indicate whether energy is or is not required. Phagocytosis Proton pump 1.…

A:

Q: What factors are responsible for the rapid migration of microglial processes to am injury site?…

A: A macrophage comes under the category of white blood cell and plays an important in providing…

Q: Which of the following is not an example of a barrier defense inanimals?a. skin d. mucusb.…

A: Introduction  Immunity: it is the property/capability of our system to fight against the harmful…

Q: What are colony-stimulating factors? Where would they befound in the body, and what is their general…

A: Colony-stimulating factors can be described as a glycoprotein responsible for the regulation of the…

Q: Type cell that allows you to sense and respond to stimuli are called: a-Skin cells b-Blood cells…

A: Introduction: Every living thing has to adapt to changes in its surroundings. Once this detection…

Q: .In some viral infections, interferons, which are hydrophilic, are secreted by some white blood…

A: The immune system has numerous types of immune cells such as macrophages, dendritic cells,…

Q: The interleukin-2 (IL-2) growth factor interacts with receptors on     embryonic cells.…

A: Interleukin-2 is a cytokine that serves as a signaling molecule in the immune response This protein…

Q: A researcher is investigating a drug to prevent organ rejection; this drug selectively inhibits TH…

A: transplant rejection is a process by which a transplanted organ is rejected by the immune system of…

Q: Why can a tourniquet be placed on a leg for hours to prevent bleeding and not induce irreversible…

A: A tourniquet is a device that temporarily stops or restricts blood flow to a particular area of the…

Q: What are the pathways for cytokinin synthesis

A: Introduction:-  Cytokinins are a group of plant hormones that induce cytokinesis in plant roots and…

Q: Explain the problem when a virus attacks T-helper cells

A: The immune system of our body plays a major role in protecting our body from infections by…

Q: What is the correct sequence of events that take place after a professional APC (macrophage or…

A: The immune system of the body protects the individual from the attack of external pathogens. The…

Q: Which description below does not refer to microglia? is highly responsive to infection or disease it…

A: Glia, also known as neuroglia, are non-neuronal cells in the central nervous system and peripheral…

Q: Define the following terms:a. G proteinb. GPCRc. RTKd. growth factore. cytokine

A: Receptors are essentially proteins that are usually found on the surface of the cells. They bind…

Q: Explain two advantages of having memory cells when apathogen is encountered for a second time.

A: The infection is the invasion and growth of microorganisms in the body. The microorganism may be…

Q: What happens when a dendritic cell detects a pathogen? Group of answer choices the dendritic cell…

A: Dendritic cells (DC) are specialized innate antigen presenting cells that have a unique ability to…

Q: State the exact location of guard cells.

A: The plant cell is characterized by the presence of a structure that is known to perceive and…

Q: What is Sarin? What does it do? How does it do it?

A: Sarin is a nerve gas, which is extremely dangerous and toxic chemical, which is a organophosphorus…

Q: T cells are often discussed in conjunction with the disease AIDS, in which a virus destroys these…

A: T Cells : T cells are part of the immune system and develop from stem cells in the bone marrow. They…

Q: The first cells which respond to penetration of the skin by a penetrating thorn are:     immune…

A: Skin acts as a protective covering for the body minimising loss of water from the body tissues.…

Q: Match the following terms to the definition that best fits each. Solution outside of a body has a…

A: "Since you have posted a question with multiple sub-parts,we will solve first three sub-parts.To get…

Q: What are the functions of adhesion receptors?

A: Receptors are characterised as specific cell membrane structures. They are mostly made of proteins,…

Q: Before you can start your clinical rotation, you are required to get a tuberculosis (TB) test. The…

A: This is an example of a delayed-type hypersensitivity (DTH) reaction.Here's a breakdown of…

Q: To fight infection, leukocytes move rapidly from the blood into sites of infection in the tissues.…

A: The process of inflammation begins with tissue damage (such as due to injury or infection) followed…

Q: write the function of guard cells.

A: Guard cells are a specialized type of plant cells found in epidermis of leaves, stems, and other…

Q: Why do you suppose you become thirsty after eating salty foods?  Can you explain the circumstances…

A: The immune system checks the body for infections or problem-causing chemicals and fights any harmful…

Q: Toll-like receptors (TLRS) act to A. cause phagocytic chemotaxis. B. induce phagocytosis. C. bind…

A: The immune system of any living being is important for its living or survival. When the immune…

Q: A nurse is interviewing a patient who just received newsthat he has pancreatic cancer. The patient…

A: We know that The stress can affect both physically and psychologically. The stress can be of…