A cell that does not circulate in blood, but instead settles in tissues near the skin and in the digestive tract, producing and releasing histamine when tissue is damaged is a(n)
A. basophil.
B. mast cell.
C. osteocyte.
D. macrophage.
E. T cell.
B. mast cell.
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Desensitization
A. stimulates an increase in IgG. B. reduces the number of mast cells. C. increases the number of basophil cells. D. is a treatment for hypersensitivity reactions. E. stimulates an increase in IgG AND is a treatment for hypersensitivity reactions.
The chemotherapy drug taxol inhibits the breakdown of microtubules. A cell treated with taxol would become stuck right after which phase?
A. metaphase B. anaphase C. cytokinesis D. telophase E. prophase
Which of the following may result in muscular weakness?
a. deficiencies in phosphorus and calcium b. deficiencies in iodine and iron c. deficiencies in iron and manganese d. deficiencies in phosphorus and potassium
What drives the movement of soil water through a root's epidermis and cortex, to the vascular cylinder?
A. Translocation B. Pressure flow C. Casparian strip D. Osmosis E. Active transport