ASCI 440: Immunology Terms
Terms in this set (47)
An infectious agent that causes disease or tissue damage to the body when it infects a host
2 examples of pathogens
viruses and bacteria
What are the cells called that fight pathogens?
How can you identify a Eusinophil from a Neutrophil on a slide?
Eosinophils stain pink, but both have segmented nuclei
I have a huge nuclei in my small cytoplasm
T or B cell
What are the 2 arms of immunity?
Innate and Adaptive
What is an example of an APC?
Dendritic Cell and macrophages
The immunity you are born with. rapid broad response.
Examples of innate immunity
Skin, Mucus membrane secretions, phagocytic cells, natural killer cells
T/F all animals have innate immunity?
What does innate immunity recognize?
Traits from a broad range of pathogens using only a few receptors
How fast is an innate response?
Internal defenses of the innate immunity
Phagocyte cells, Natural Killer Cells, Antimicrobial Proteins, and Inflammatory response
Natural Killer Cells
Help with tumor defense
T/F all animals have adaptive immunity?
False, only vertebrates
Adaptive immunity response types
Humoral and cell mediated
What are the main defenses of adaptive immunity?
Antibodies and cytotoxic cells
What does adaptive immunity recognize?
traits for specific pathogens using several receptors
How fast is an adaptive immunity response?
adaptive immunity cells that defend the body against infection
Cytotoxic Cells defend against infection in body cells
An examples of adaptive immunity?
Colostrum from mom
B cells produce
another name for adaptive immunity
the special ops
4 examples of phagocytes
monocytes, macrophages, neutrophils, dendritic cells, mast cells and natural killer cells
Specific exposure from adaptive immunity results in?
a foreign body that causes an adaptive immunity response
What does an antigen elicit responses from?
B and T cells
the name of a pathogen that only stimulates innate immunity
2 enzymes involved in innate immunity
Lysozyme and Phospolipase A
3 proteins in innate chemical warfare
antibodies, surfactants, defensins
3 vasoactive mediators for innate immunity
thromboxane, prostaglandin, Nitric Oxide Synthase
T/F cytotoxic T cells work in both innate and adaptive immunity
molecules or cells responding to insult by pathogens, trauma, or immune responses
cells that initiate inflammation
dendritic cells, macrophages, and mast cells
Alarm cells for inflammation
cytokines, chemokines, vasoactive molecules
innate immune system responding to insult by a pathogen, trauma or local immune response
5 signs of acute inflammation
pain, swelling, heat, redness, loss of function
acute inflammation is due to
vasodilation, edema, neutrophils, coagulation, chemotaxis
recruitment of blood monocytes/ macrophages into the tissue
causes a response from immune system
causes a response from adaptive immunity (t or b cells)
b cells and antibodies
cell mediated response
cytotoxic t cells- kill foreign interbody cells/ bodies
MHC1- all nucleated cells. endogenous. present to CD8 t cells. MHC2-only on APCs. exogenous. present to CD4 t cells.
active immunizations develop
develops active immunity. develops naturally in response to an infection or by an immunization
nonpathogenic form of a microbe or part of a microbe that elicits an immune response and forms immunological memory to that microbe. develops active immunity against that microbe.
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