Book practice Questions: Hypersensitivity Flashcards

1
Q

Type I hypersensitivity is associated with?

A

Anaphylactic reactions

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2
Q

Type II hypersensitivity is associated with?

A

Cytotoxic reactions

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3
Q

Type III is associated with?

A

Immune complex reactions

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4
Q

Type IV is associate with?

A

Cell-Mediated reactions

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5
Q

With which cell type are anaphylactic reactions associated?
T lymphs
B lymphs
Monocyte
Mast

A

Mast Cells (because they are like basophils and histamine causes allergies)

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6
Q

Type III reactions are exemplifed by all the following except:
Arthus reaction
serum sickness
glomernulonenephritis
shingles

A

Shingles

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7
Q

Type IV reactions are responsible for all the following except:
Contact sensitivity
delayed hypersensitivity
elimination of tumor cells bearing neoAg
hemolysis of blood

A

Hemolysis of blood

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8
Q

Type I hypersensitivity reactions can be associated with:
food allergies
hay fever
asthma
All of the Above

A

All of the above can cause an anaphylactic reaction

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9
Q

The most common agents that cause anaphylactic reactions are:
Drugs and food
Drugs and insect stings
Poison ivy and insect stings
food and insect stings

A

Drugs and insect stings

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10
Q

Under normal conditions, immune complexes protect the host because they:
Facilitate the clearance of Ag
facilitate the clearance of invading microorgs
interact w complement
Both A and B

A

Both A and B

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11
Q

Immune complexes can:
suppress or sugment the immune response via T and B cells
inhibit tumor destruction
be deposited in blood vessel walls
all of the above

A

all of the above

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12
Q

The general anatomic sites of Ag-Ab interactions are:
Tissues w large filtration area
interstitial fluids
cell surface membranes or fixed structures
all of the above

A

all of the above

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13
Q

Type IV hypersensitivity reactions are responsible for all the following except:
contact sensitivty
elimination of tumor cells
rejection of foreign tissue grafts
serum sickness

A

Serum Sickness

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14
Q

What does histamine do?

A

increases vasc permability and promotes contraction of smooth muscles

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15
Q

what do leukotrienes do?

A

enhances effect of histamine on target organ

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16
Q

what does serotonin do?

A

contracts smooth muscle

17
Q

PLT activating factor does what?

A

enhances release of histamine and serotonin

18
Q

eosinophil chemotactic factors of anaplylactic

A

attracts cells to area and release secondary mediators that may limit primary mediators

19
Q

Prostaglandins do what?

A

affects smooth muscle tone and vasc permability