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| 1 | |
Given these characteristics:
1. capable of contraction
2. covers free body surfaces
3. lacks blood vessels
4. composes various glands
5. anchored to connective tissue by a basement membrane
Which of these are characteristics of epithelial tissue? |
| | A) | 1,2,3 |
| | B) | 2,3,5 |
| | C) | 3,4,5 |
| | D) | 1,2,3,4 |
| | E) | 2,3,4,5 |
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| 2 | |
Which of these embryonic germ layers gives rise to muscle, bone, and blood vessels? |
| | A) | ectoderm |
| | B) | endoderm |
| | C) | mesoderm |
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| 3 | |
A tissue that covers a surface, is one cell layer thick, and is composed of flat cells is |
| | A) | simple squamous epithelium. |
| | B) | simple cuboidal epithelium. |
| | C) | simple columnar epithelium. |
| | D) | stratified squamous epithelium. |
| | E) | transitional epithelium. |
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| 4 | |
Epithelium composed of two or more layers of cells with only the deepest layer in contact with the basement membrane is known as |
| | A) | stratified epithelium. |
| | B) | simple epithelium. |
| | C) | pseudostratified epithelium. |
| | D) | columnar epithelium. |
| | E) | cuboidal epithelium. |
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| 5 | |
Stratified epithelium is usually found in areas of the body where the principal activity is |
| | A) | filtration. |
| | B) | protection. |
| | C) | absorption. |
| | D) | diffusion. |
| | E) | secretion. |
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| 6 | |
Which of these characteristics do not describe nonkeratinized stratified squamous epithelium? |
| | A) | many layers of cells |
| | B) | surface cells are flat |
| | C) | surface cells are living |
| | D) | found in the skin |
| | E) | outer layers covered by fluid |
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| 7 | |
In parts of the body such as the urinary bladder, where considerable expansion occurs, one can expect to find which type of epithelium? |
| | A) | cuboidal |
| | B) | pseudostratified |
| | C) | transitional |
| | D) | squamous |
| | E) | columnar |
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| 8 | |
A tissue that contains cells with these characteristics:
1. covers a surface
2. one layer of cells
3. cells are flat
Performs which of the following functions? |
| | A) | phagocytosis |
| | B) | active transport |
| | C) | secretion of many complex lipids and proteins |
| | D) | is adapted to allow certain substances to diffuse across it |
| | E) | protection from abrasion |
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| 9 | |
Epithelial cells with microvilli are most likely found |
| | A) | lining blood vessels. |
| | B) | lining the lungs. |
| | C) | in serous membranes. |
| | D) | lining the digestive tract. |
| | E) | in the skin. |
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| 10 | |
Pseudostratified ciliated columnar epithelium can be found lining the |
| | A) | digestive tract. |
| | B) | trachea. |
| | C) | thyroid gland. |
| | D) | kidney tubules. |
| | E) | urinary bladder. |
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| 11 | |
A type of cell connection whose only function is to prevent the cells from coming apart is the |
| | A) | desmosome. |
| | B) | gap junction. |
| | C) | tight junction. |
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| 12 | |
Those glands that lose their connection with epithelium during embryonic development and secrete their cellular products into the bloodstream are called _____________ glands. |
| | A) | apocrine |
| | B) | endocrine |
| | C) | exocrine |
| | D) | holocrine |
| | E) | merocrine |
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| 13 | |
Glands that accumulate secretions and release them only when the individual secretory cells rupture and die are called _____________ glands. |
| | A) | apocrine |
| | B) | holocrine |
| | C) | merocrine |
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| 14 | |
A gland has a duct that branches repeatedly, and the ducts end in saclike structures. This describes a _____________ gland. |
| | A) | simple tubular |
| | B) | compound tubular |
| | C) | simple coiled tubular |
| | D) | simple acinar |
| | E) | compound acinar |
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| 15 | |
The fibers in dense connective tissue are produced by |
| | A) | fibroblasts. |
| | B) | adipocytes. |
| | C) | osteoblasts. |
| | D) | osteoclasts. |
| | E) | macrophages. |
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| 16 | |
Mesenchymal cells |
| | A) | form embryonic connective tissue. |
| | B) | give rise to all adult connective tissues. |
| | C) | in adults produce new connective tissue cells in response to injury. |
| | D) | all of the above |
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| 17 | |
A tissue with a large number of collagen fibers organized parallel to each other would most likely be found in |
| | A) | a muscle. |
| | B) | a tendon. |
| | C) | adipose tissue. |
| | D) | a bone. |
| | E) | cartilage. |
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| 18 | |
Extremely delicate fibers that make up the framework for organs such as the liver, spleen, and lymph nodes are |
| | A) | elastic fibers. |
| | B) | reticular fibers. |
| | C) | microvilli. |
| | D) | cilia. |
| | E) | collagen fibers. |
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| 19 | |
In which of these locations would dense irregular elastic connective tissue be found? |
| | A) | ligaments |
| | B) | nuchal ligament |
| | C) | dermis of skin |
| | D) | large arteries |
| | E) | adipose tissue |
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| 20 | |
Which of these is not true of adipose tissue? |
| | A) | site of energy storage |
| | B) | a type of connective tissue |
| | C) | acts as a protective cushion |
| | D) | brown adipose is found only in babies |
| | E) | functions as a heat insulator |
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| 21 | |
Which of these types of connective tissue has the smallest amount of extracellular matrix? |
| | A) | adipose |
| | B) | bone |
| | C) | cartilage |
| | D) | loose connective tissue |
| | E) | blood |
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| 22 | |
Given these characteristics:
1. cells located in lacunae
2. proteoglycans in ground substance
3. no collagen fibers present
4. perichondrium on surface
5. heals rapidly after injury
Which of these characteristics apply to cartilage? |
| | A) | 1,2,3 |
| | B) | 1,2,4 |
| | C) | 2,4,5 |
| | D) | 1,2,4,5 |
| | E) | 2,3,4,5 |
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| 23 | |
Fibrocartilage is found |
| | A) | in the cartilage of the trachea. |
| | B) | in the rib cage. |
| | C) | in the external ear. |
| | D) | on the surface of bones in moveable joints. |
| | E) | between vertebrae. |
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| 24 | |
A tissue in which cells are located in lacunae surrounded by a hard matrix of hydroxyapatite is |
| | A) | hyaline cartilage. |
| | B) | bone. |
| | C) | nervous tissue. |
| | D) | dense regular collagenous connective tissue. |
| | E) | fibrocartilage. |
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| 25 | |
Which of these characteristics apply to smooth muscle? |
| | A) | striated, involuntary |
| | B) | striated, voluntary |
| | C) | unstriated, involuntary |
| | D) | unstriated, voluntary |
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| 26 | |
Which of these statements about nervous tissue is not true? |
| | A) | Neurons have cytoplasmic extensions called axons. |
| | B) | Electric signals (action potentials) are conducted along axons. |
| | C) | Bipolar neurons have two axons. |
| | D) | Neurons are nourished and protected by neuroglia. |
| | E) | Dendrites receive electric signals and conduct them toward the cell body. |
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| 27 | |
Linings of the digestive, respiratory, excretory, and reproductive passages are composed of |
| | A) | serous membranes. |
| | B) | mucous membranes. |
| | C) | mesothelium. |
| | D) | synovial membranes. |
| | E) | endothelium. |
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| 28 | |
Chemical mediators of inflammation |
| | A) | cause blood vessels to constrict. |
| | B) | decrease the permeability of blood vessels. |
| | C) | initiate processes that lead to edema. |
| | D) | help to prevent clotting. |
| | E) | decrease pain. |
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| 29 | |
Which of these types of cells are labile? |
| | A) | neurons |
| | B) | skin |
| | C) | liver |
| | D) | pancreas |
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| 30 | |
Permanent cells |
| | A) | divide and replace damaged cells in replacement tissue repair. |
| | B) | form granulation tissue. |
| | C) | are responsible for removing scar tissue. |
| | D) | are usually replaced by a different cell type if they are destroyed. |
| | E) | are replaced during regeneration tissue repair. |
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