Hypersensitivity reactions Flashcards
What type of hypersensitivity reaction is anaphylaxis?
Type 1
What is the typical amount of time taken for a Type 4 hypersensitivity reaction to develop?
days
Which cell is mainly responsible for mediating Type 1 hypersensitivity reactions?
mast cells
Which of the following cell types mediates Type 4 hypersensitivity reactions?
T cell
Which of the following conditions is an example of a Type 3 hypersensitivity reaction?
rheumatoid arthritis
Which of the following is true regarding Type 2 hypersensitivity reactions?
the antigens are cell bound
Type 2 hypersensitivity reactions can occur to both self and foreign antigens and involve the activation of neutrophils rather than T cells.
Which of the following is NOT part of standard treatment for anaphylaxis?
NSAIDS
Which blood type is known as the “universal donor”?
O
Which of the following hypersensitivity reactions occurs in response to IgE?
IgE
Which of the following blood types could a patient with A type blood receive in an emergency?
A or O
which type of hypersensitivity involves soluble antigens
Type 3 and type 1
which of the following hypersensitivities involves cell associated molecules
Type 2
what type of sensitivity has complement mediated phagocytosis as a mechanism
Type 2
what type of hypersneitivty has graves disease as an example
type 2
mechanism of type 1
ige mast cell activation
