Which stage of a fever is categorized by body temperature returning to normal?
What is defervescence?
200
What are the two different options that a T cell has if they fail to recognize the RE cells or react to self antigens?
What is clonal deletion and anergy?
200
when the activated T cell undergoes repeated mitosis
What is clonal selection?
200
mechanism that links antigen molecules to antibodies to create complexes so they can be removed by immune clearance or phagocytosis
What is precipitation?
300
cells responsible for immune surveillance
What are natural killer cells?
300
Natural killer cells inject a protein and a protein-degrading enzyme into an enemy cell. These are called what respectively?
What are perforins and granzymes?
300
Mediated by antibodies that don't directly destroy pathogens, but tag them for destruction.
What is cellular mediated immunity?
300
Which T cell directly attacks the enemy cell with the lethal hit mechanism?
What is Tc (cytotoxic)?
300
immunoglobin that prevents adherence to epithelia
What is IgA?
400
scatteres lymphatic tissue in body passages that are open to the exterior such as... respiratory, digestive, and urinary
What is MALT?
400
During mobilization of defenses, __________ is when a leukocyte adheres to a vessel wall and __________ is when that leukocyte crawls between endothelial cells.
What is margination and diapedesis?
400
capable of recognizing antigens presented to them by APCs
What is immunocompetence?
400
During the attack phase, secreting interleukins, stimulating phagocytosis, T & B cell mitosis and maturation is the role of what cells?
What are Th cells?
400
B cells will divide to form clones and those clones will differentiate into which two kinds of cells?
What are plasma and memory B cells?
500
Red and white pulp are present in which lymphatic organ?
What is the spleen?
500
True or false? During tissue clean up, edema results from a decrease in venous flow and an increase in lymphatic flow.
What is true?
500
Antigen presenting cells use ______ proteins to display epitopes.
What are MCH?
500
What cells live for a long period of time and upon reexposure respond with a quick attack?
What are Tm cells?
500
Memory B cells mount a quick secondary response if reexposed to an antigen. What immunoglobin response is so rapid that the body won't exhibit any noticable effects?