Chp 4: Tissue: The Living Fabric
|The shock-absorbing pads between the vertebrae are formed of fibrocartilage.||TRUE|
|Brown fat is frequently deposited between the shoulder blades of infants.||TRUE|
|Achilles was wounded by damage to the tendon connecting his calf muscles to his heel. This and all tendons are composed mainly of dense irregular connective tissue.||FALSE|
|Macrophages are found in areolar and lymphatic tissues.||TRUE|
|Goblet cells are found with pseudostratified ciliated columnar epithelium.||TRUE|
|Epithelial tissues always exhibit polarity; that is, they have a free surface and a basal surface.||TRUE|
|Simple cuboidal epithelia are usually associated with secretion and absorption.||TRUE|
|Depending on the functional state of the bladder, transitional epithelium may resemble stratified squamous or stratified cuboidal epithelium.||TRUE|
|Stratified cuboidal epithelium is moderately rare in the body and found only in the pharynx, larynx, and anorectal junction.||FALSE|
|Endothelium covers and lines internal cavities such as the pleural and peritoneal cavities.||FALSE|
|Merocrine glands produce their secretions by accumulating their secretions internally and then rupturing the cell.||FALSE|
|Salivary glands exhibit simple tubuloalveolar glandular arrangement.||FALSE|
|Connective tissues that possess a large quantity of collagen fibers often provide the framework for organs such as the spleen and lymph nodes.||FALSE|
|The basic difference between dense irregular and dense regular connective tissues is in the amount of elastic fibers and adipose cells present.||FALSE|
|A major characteristic of fibrocartilage is its unique amount of flexibility and elasticity.||FALSE|
|Cartilage tissue tends to heal less rapidly than bone tissue.||TRUE|
|Intercalated discs and striations suggest the presence of skeletal muscle.||FALSE|
|Smooth muscle cells possess central nuclei but lack striations.||TRUE|
|Most connective tissues have regenerative capacity, while most epithelial tissues do not.||FALSE|
|Squamous cells are flattened and scalelike when mature.||TRUE|
|Functions of connective tissues include binding, support, insulation, and protection.||TRUE|
|Sweat glands are apocrine glands.||FALSE|
|Endocrine glands are often called ducted glands.||FALSE|
|Blood is considered a type of connective tissue.||TRUE|
|Nervous tissue consists mainly of neurons and collagen fibers.||FALSE|
| Which of the following is not found in the matrix of cartilage but is in bone? |
A) live cells
C) blood vessels
D) organic fibers
|C) blood vessels|
| The reason that intervertebral discs exhibit a large amount of tensile strength to absorb shock is because they possess ________. |
A) hydroxyapatite crystals
B) collagen fibers
C) reticular fibers
D) elastic fibers
|B) collagen fibers|
| The presence of lacunae, calcium salts, and blood vessels would indicate ________. |
A) cartilage tissue
B) fibrocartilaginous tissue
C) osseous tissue
D) areolar tissue
|C) osseous tissue|
| Hyaline cartilage is different from elastic or fibrocartilage because ________. |
A) it is more vascularized
B) it contains more nuclei
C) fibers are not normally visible
D) it has more elastic fibers
|C) fibers are not normally visible|
| Epithelial tissue ________. |
A) is highly vascularized
B) has a basement membrane
C) is usually acellular
D) contains a number of neuron types
|B) has a basement membrane|
| Which of the following would be of most importance to goblet cells and other glandular epithelium? |
B) Golgi bodies
D) multiple nuclei
|B) Golgi bodies|
| Mammary glands exhibit a glandular type called ________. |
A) simple tubular
B) compound tubular
C) simple alveolar
D) compound alveolar
|D) compound alveolar|
| Simple columnar epithelium of the digestive tract is characterized by ________. |
A) dense microvilli
B) a rich vascular supply
|A) dense microvilli|
| Pseudostratified ciliated columnar epithelium ________. |
A) lines the respiratory tract
B) aids in digestion
C) possesses no goblet cells
D) is not an epithelial classification
|A) lines the respiratory tract|
| A single-celled layer of epithelium that forms the lining of serous membranes is ________. |
A) simple transitional
B) simple columnar
C) simple squamous
D) simple cuboidal
|C) simple squamous|
| Which statement best describes connective tissue? |
A) usually contains a large amount of matrix
B) always arranged in a single layer of cells
C) primarily concerned with secretion
D) usually lines a body cavity
|A) usually contains a large amount of matrix|
| Matrix is ________. |
A) cells and fibers
B) fibers and ground substance
C) ground substance and cells
D) composed of all organic compounds
|B) fibers and ground substance|
| Cell types likely to be seen in areolar connective tissue include all except: ________. |
D) mast cells
| The tissue type that arises from all three embryonic germ layers is ________. |
A) epithelial tissue
B) connective tissue
C) nervous tissue
D) muscle tissue
|A) epithelial tissue|
| The fiber type that gives connective tissue great tensile strength is ________. |
| Organized groups of cells (plus their intercellular substances) that have a common purpose form a(n) ________. |
D) organ system
| The shape of the external ear is maintained by ________. |
A) adipose tissue
B) elastic cartilage
C) hyaline cartilage
|B) elastic cartilage|
| Inability to absorb digested nutrients and secrete mucus might indicate a disorder in which tissue? |
A) simple squamous
C) simple columnar
D) stratified squamous
|C) simple columnar|
| Glands, such as the thyroid, that secrete their products directly into the blood rather than through ducts are classified as ________. |
|Which of the following is true about epithelia? |
A) Simple epithelia are commonly found in areas of high abrasion.
B) Stratified epithelia are associated with filtration.
C) Endothelium provides a slick surface lining all hollow cardiovascular organs.
D) Pseudostratified epithelia are commonly keratinized.
|C) Endothelium provides a slick surface lining all hollow cardiovascular organs.|
| Chondroblasts ________. |
A) are mature cartilage cells located in spaces called lacunae
B) within the cartilage, divide and secrete new matrix
C) located deep to the perichondrium divide and secrete new matrix on the internal portions of the cartilage
D) never lose their ability to divide
|B) within the cartilage, divide and secrete new matrix|
| ________ epithelium appears to have two or three layers of cells, but all the cells are in contact with the basement membrane. |
A) Stratified cuboidal
B) Stratified columnar
D) Pseudostratified columnar
|D) Pseudostratified columnar|
| A multilayered epithelium with cuboidal basal cells and flat cells at its surface would be classified as ________. |
A) simple cuboidal
B) simple squamous
D) stratified squamous
|D) stratified squamous|
| An epithelial membrane ________. |
A) usually involves transitional epithelium
B) is formed of epithelium and smooth muscle
C) contains simple or stratified epithelia and a basement membrane
D) never contains mucus-forming cells
|C) contains simple or stratified epithelia and a basement membrane|
| Multicellular exocrine glands can be classified ________. |
A) structurally into alveolar and acinar types
B) structurally into vascular and avascular types
C) functionally into merocrine, holocrine, and apocrine divisions
D) functionally into secreting or nonsecreting types
|C) functionally into merocrine, holocrine, and apocrine divisions|
|Which of the following is true about the mode of secretion of exocrine glands? |
A) Merocrine glands are not altered by the secretory process.
B) Apocrine cells are destroyed, then replaced after secretion.
C) Holocrine cells are slightly damaged by the secretory process, but repair themselves.
D) These glands are ductless.
|A) Merocrine glands are not altered by the secretory process.|
| Which of these is not considered connective tissue? |
| What are glycosaminoglycans? |
A) positively charged proteins
B) negatively charged proteins
C) positively charged polysaccharides
D) negatively charged polysaccharides
|D) negatively charged polysaccharides|
| Which is true concerning muscle tissue? |
A) highly cellular and well vascularized
B) cuboidal shape enhances function
C) contains contractile units made of collagen
D) is a single-celled tissue
|A) highly cellular and well vascularized|
| The first step in tissue repair involves ________. |
A) replacement of destroyed tissue by the same kind of cells
B) proliferation of fibrous connective tissue
D) formation of scar tissue
|Select the correct statement regarding multicellular exocrine glands. |
A) Compound glands are so called because they are constructed from more than one cell type.
B) The secretory cells of holocrine glands release their product by rupturing.
C) Exocrine glands always lack ducts.
D) Merocrine glands release their secretion by pinching off part of the cell.
|B) The secretory cells of holocrine glands release their product by rupturing.|
| The three main components of connective tissue are ________. |
A) ground substance, fibers, and cells
B) alveoli, fibrous capsule, and secretory cells
C) collagen, elastin, and reticular fibers
D) fibroblasts, chondroblasts, and osteoblasts
|A) ground substance, fibers, and cells|
|Which of the following statements is true of connective tissue? |
A) Elastin fibers are sometimes called white fibers.
B) When connective tissue is stretched, collagen gives it the ability to snap back.
C) Collagen fibers provide high tensile strength.
D) Reticular fibers form thick, ropelike structures.
|C) Collagen fibers provide high tensile strength.|
| Select the correct statement regarding the cells of connective tissue. |
A) Connective tissue does not contain cells.
B) Connective tissue cells are nondividing.
C) Chondroblasts are the main cell type of connective tissue proper.
D) "Blast" cells are undifferentiated, actively dividing cells.
|D) "Blast" cells are undifferentiated, actively dividing cells.|
|Select the correct statement regarding tissue repair. |
A) Granulation tissue is highly susceptible to infection.
B) Inflammation causes capillaries to dilate and become permeable.
C) Granulation tissue is another name for a blood clot.
D) The clot is formed from dried blood and transposed collagen fibers.
|B) Inflammation causes capillaries to dilate and become permeable.|
|Select the correct statement regarding epithelia. |
A) Simple epithelia form impermeable barriers.
B) Stratified epithelia are tall, narrow cells.
C) Stratified epithelia are present where protection from abrasion is important.
D) Pseudostratified epithelia consist of at least two layers of cells stacked on top of one another.
|C) Stratified epithelia are present where protection from abrasion is important.|
| Select the correct statement regarding adipose tissue. |
A) It is composed mostly of extracellular matrix.
B) Its primary function is nutrient storage.
C) Mature adipose cells are highly mitotic.
D) Most of the cell volume is occupied by the nucleus.
|B) Its primary function is nutrient storage.|
| ________ are commonly found wedged between simple columnar epithelial cells. |
A) Goblet cells
B) Mast cells
|A) Goblet cells|
|Select the correct statement regarding factors that affect the tissue repair process. |
A) The type of tissue injured is not an important factor.
B) Nutrition does not seem to influence tissue repair.
C) The age of the person is a factor in the repair process.
D) The health of an individual does not seem to make any difference in the speed of repair.
|C) The age of the person is a factor in the repair process.|
| In adults, new surface epithelial cells and the epithelial cells lining the intestine are derived from _________. |
A) mitotic division of existing epithelial cells
B) stem cells
C) underlying epithelial cells
D) components of the connective tissue
|B) stem cells|
| What would be a substance you would expect to find expelled from a compound alveolar gland? |
D) salivary fluid
| Mesenchymal cells are most commonly found in ________ connective tissue. |
B) dense regular