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15.The ________ exocrine gland stores its secretion until the glandular cell ruptures, whereas the ________ gland releases its apical region and reforms. a.holocrine; apocrine b.eccrine; endocrine c.apocrine; holocrine d.eccrine; apocrine 16.Connective tissue is made of which three essential components? 17.Under the microscope, a tissue specimen shows cells located in spaces scattered in a transparent background. This is probably ________. 18.Which connective tissue specializes in storage of fat? 17
19.Ligaments connect bones together and withstand a lot of stress. What type of connective tissue should you expect ligaments to contain? a.areolar tissue b.adipose tissue c.dense regular connective tissue d.dense irregular connective tissue 20.In adults, new connective tissue cells originate from the ________. Which of the following central nervous system cells regulate ions, regulate the uptake and/or breakdown of some neurotransmitters, and contribute to the formation of the blood-brain barrier? 21.In bone, the main cells are ________. 22.Striations, cylindrical cells, and multiple nuclei are observed in ________. 23.The cells of muscles, myocytes,develop from ________. a.myoblasts b.endoderm c.fibrocytes d.chondrocytes 24.Skeletal muscle is composed of very hard working cells. Which organelles do you expect to find in abundance in skeletal muscle cell? 25.
The cells responsible for the transmission of the nerve impulse are ________. 26.The nerve impulse travels down a(n) ________, away from the cell body. 27.Which of the following central nervous system cells regulate ions, regulate the uptake and/or breakdown of some neurotransmitters, and contribute to the formation of the blood-brain barrier? a.microglia b.neuroglia c.oligodendrocytes d.astrocytes 28.Which of the following processes is not a cardinal sign of inflammation?
When a mast cell reacts to an irritation, which of the
following chemicals does it release?