During an IgE-mediated hypersensitivity reaction, what causes bronchospasm?
Question 1During an IgE-mediated hypersensitivity reaction, what causes bronchospasm?
Bronchial edema caused by the chemotactic factor of anaphylaxis
Bronchial edema caused by binding of the cytotropic antibody
Smooth muscle contraction caused by histamine bound to H1 receptors
Smooth muscle contraction caused by histamine bound to H2 receptors
Question 2Vaccinations are able to provide protection against certain microorganisms because of what?
Strong response from IgM
Level of protection provided by IgG
Memory cells for IgE
Rapid response from IgA
Question 3In the later stages of an inflammatory response, which phagocytic cell is predominant?
Neutrophils
Monocytes
Chemokines
Eosinophils
Question 4The common hay fever allergy is expressed through a reaction that is mediated by which class of immunoglobulins?
IgE
IgG
IgM
T cells
Question 5What is the inflammatory effect of nitric oxide (NO)?
Increases capillary permeability, and causes pain
Increases neutrophil chemotaxis and platelet aggregation
Causes smooth muscle contraction and fever
Decreases mast cell function, and decreases platelet aggregation
Question 6Where are antibodies produced?
Helper T lymphocytes
Thymus gland
Plasma cells
Bone marrow
Question 7A patient is admitted to the hospital with multiple myeloma (MM). Which diagnostic test should the healthcare professional assess as the priority?
Serum potassium level
Serum calcium level
Bone scan or limb x-rays
Bone marrow biopsy
Question 8Frequently when H1 and H2 receptors are located on the same cells, they act in what fashion?
Synergistically
Additively
Antagonistically
Agonistically
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