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Exam 5: Histology

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Question 21

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__________ secrete __________ into __________.

A) Goblet cells;mucus;the blood
B) Endocrine glands;hormones;ducts
C) Exocrine glands;hormones;ducts
D) Endocrine glands;hormones;the blood
E) Exocrine glands;mucus;the blood

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Question 22

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The process of a cell changing types to respond to its environment is called neoplasia.

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Question 23

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Most biologists see embryonic stem (ES) cells as a possible treatment for diseases that result from the loss of functional cells.This possibility is based on the fact that ES cells are __________ stem cells.

A connective tissue fiber refers to a(n) __________,a nerve fiber refers to a(n) __________,and a muscle fiber refers to a(n) __________.

Neurons are a major type of cell found in nervous tissue.

__________ glands (such as tear glands) have vesicles that release their secretion via exocytosis.__________ glands (such as oil-producing glands) secrete a mixture of disintegrated cells and their products.

Some simple columnar and pseudostratified columnar epithelia have _________ cells,which produce a protective mucous coating over the mucous membranes.

Nonkeratinized cells exfoliate from the surface of the skin.

The clear gel that usually surrounds cells is called interstitial fluid.

The duct of an endocrine gland leads into the bloodstream rather than onto an epithelial surface.

A thin,stained slice of tissue mounted on a microscope is called a __________.

Plasma cells produce the ground substance that forms the matrix of connective tissues.

Most kidney tubules are made of __________ epithelial tissue,which is specialized for absorption and secretion.

New triglycerides are constantly being synthesized and stored,while others are hydrolyzed and released into the circulation by the cells found in __________.

Most membranes are composed of two or three tissue types.However,an example of an exception is the ___________ membrane.

The clear gel inside a cell is called __________.

The shape of a person's external ear is due to the presence of __________.

Marfan syndrome is a hereditary defect of elastin fibers.People with this syndrome have __________.

In an epithelium,there is almost no extracellular matrix.

Which of the following does not account for the gelatinous consistency of connective tissue ground substance?