Questions about immune cells, infections and allergies.
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Which immune cell is responsible for the quickest release of histamine that causes the red itchy welts associated with allergies?
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mast cell
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lymphocyte
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eosinophil
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basophil
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What is the term used to describe white blood cells migrating toward bacteria?
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zeiosis
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phagocytosis
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chemotaxis
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phototaxis
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When human immunodeficiency virus (HIV) attaches to a host cell what genetic material is released into the cell’s cytoplasm?
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chromosome
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RNA
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DNA
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ligand
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Name the process a cell such as a neutrophil or a macrophage uses to ingest (eat) its prey.
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halitosis
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chemotaxis
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botulism
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phagocytosis
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In HIV infection, reverse transcription describes which of the following?
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converting viral DNA into RNA
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converting viral RNA into DNA
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converting proteins into viral RNA
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Which of these produces and secretes antibodies in the body?
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bacteria
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plasma cell
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red blood cell
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virus
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both A and D
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What is a specific term for a bacterial or other foreign protein that initiates antibody production by the body?
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peptide
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MHCII molecule
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complement
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antigen
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Which of these cell types can play a primary role in attacking and killing cancer cells?
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red blood cell
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cytotoxic T cell
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platelet
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mast cell
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What is an important mechanism white blood cells use to kill bacteria, fungi and other invading pathogens?
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asphyxiation
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oxidative activity
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fright
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drowning
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What is the term applied to white blood cells squeezing between endothelial cells lining the blood vessel to reach the site of an infection?
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diapedesis
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chemotaxis
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phagocytosis
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enucleation