PEDIATRICS Study Guide - Midterm Guide: Hyperaemia, Hives, Anaphylaxis
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Allergens differ from antigens because ______________
Allergens do not involve the leukocytes, they simply stimulate the inflammatory response. |
Allergens are primarily plant derived while antigens are bacterial or viral in nature. |
Allergens produce an abnormally large immune response to what is an otherwise harmless particle. |
Allergens are only active seasonally and are generally harmless to the body. |
Plasma cells ____________________.
are small so that they slip between endothelial cells of capillaries to fight infection in surrounding tissues |
have a great deal of rough endoplasmic reticulum to dispose of ingested pathogens |
have a great deal of rough endoplasmic reticulum reflecting the fact that they secrete a tremendous amount of protein |
are large so that they can envelope their prey by phagocytosis |
Inflammation ___________________.
brings more leukocytes to the sight of infection |
is caused by viral activity to enhance the spread of disease |
is caused by bacterial activity to enhance the spread of disease |
slows the healing process with swelling that can impair bodily function |
Vaccinations require that humans have which type of immune system?
innate immune system | ||
adaptive immune system | ||
all of the above |
10 points
QUESTION 2
Which of the following are examples of antigens?
one of a group of proteins found in the blood that leads to the clumping of foreign blood cells | ||
proteins embedded in the membranes of T cells | ||
foreign molecules that trigger antibody production | ||
proteins that trigger the end of the inflammatory response |
10 points
QUESTION 3
Vaccines prevent disease by_______________
stimulating the production of antibodies | ||
allowing more leukocytes to attack a pathogen | ||
weakening or killing a virus | ||
providing primary pathogen defence |
10 points
QUESTION 4
Mast cells __________
Attack pathogens using phagocytosis | ||
Constrict blood flow around an open wound | ||
direct leukocyte activity | ||
Build the sails on a ship |
10 points
QUESTION 5
Which of the following is true about allergies?
Allergens are typically safe substances that are damaging to certain individuals who lack the appropriate antibodies | ||
You can't get allergies if you are exposed to common allergens at a young age | ||
Antibodies are not produced in response to pollen in someone with seasonal allergies | ||
Immune responses occur in response to a non-damaging substance in the body because the body thinks the substance is a pathogen |