Chapter 4

Question 1

4 basic categories of tissues:

Answer 1

• epithelial
• connective
• muscle
• nervous

Question 2

Covers exposed surfaces, lines internal passageways and chambers, forms secretory glands

Answer 2

epithelial tissue

Question 3

attach the deepest epithelial cells to the basement membrane; the basal cytoskeleton is locked to peripheral proteins and transmembrane proteins that are firmly attached to a layer of extracellular protein fibers

Answer 3

Hemidesmosomes

Question 4

An amorphous layer that contains glycoproteins. It is produced by the adjacent layer of epithelial cells

Answer 4

The basal lamina

Question 5

At a gap junction, two cells are held together by interlocking transmembrane proteins called

Answer 5

connexons

Question 6

transmembrane proteins that bind to each other and to extracellular materials

Answer 6

CAMS - cell adhesion molecules

Question 7

The membranes of adjacent cells may also be bonded by a thin layer of proteoglycans that contain polysaccharide derivatives, most notably

Answer 7

hyaluronic acid

Question 8

A _____ is the body’s most delicate type of epithelium. This type of epithelium is located in protected regions where absorption or diffusion takes place or where a slick, slippery surface reduces friction. Simple endothelium have in common? squamous epithelia are found along passageways in the kidneys, inside the eye, and at the gas exchange surfaces (alveoli) of the lungs

Answer 8

simple squamous epithelium

Question 9

A _____ lines the pericardial, pleural, and peritoneal body cavities.

Answer 9

mesothelium

Question 10

The simple squamous epithelium lining the inner surface of the heart and all blood vessels is called an:

Answer 10

endothelium

Question 11

is a cancer caused by asbestos. It most commonly occurs in the linings of the lungs or the abdomen.

Answer 11

mesothelioma

Question 12

This involves the loss of cytoplasm as well as the secretory product . Milk production in the mammary glands involves a combination of merocrine and ______ secretion

Answer 12

Apocrine Secretion

Question 13

An effective lubricant, a protective barrier, and a sticky trap for foreign particles and microorganisms

Answer 13

Mucus

Question 14

_____ ____ destroys the gland cell. The entire cell becomes packed with secretory products and then bursts, releasing the secretion and killing the cell

Answer 14

Holocrine Secretion

Question 15

fine passageways that form a branching network for the exchange of materials between blood vessels and osteocytes

Answer 15

Canaliculi

Question 16

the functional unit of a compact bone

Answer 16

osteon