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| 1 | |
Epithelial cells whose apical surfaces are covered with microvilli are most likely |
| | A) | transportation specialists |
| | B) | located in the digestive or urinary tract |
| | C) | sites of absorption and secretion |
| | D) | all of the above |
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| 2 | |
In body regions where mechanical stresses are severe, one would most likely encounter which type of epithelium? |
| | A) | nonkeratinized stratified squamous |
| | B) | keratinized stratified squamous |
| | C) | stratified columnar |
| | D) | stratified cuboidal |
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| 3 | |
Although its main function is protection, ____________ epithelium also serves a secretory function by lining the larger ducts of most exocrine glands. |
| | A) | nonkeratinized stratified squamous |
| | B) | keratinized stratified squamous |
| | C) | stratified columnar |
| | D) | stratified cuboidal |
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| 4 | |
Of all the body's organ systems, the ____________ system is the most directly associated with ductless glands. |
| | A) | integumentary |
| | B) | digestive |
| | C) | endocrine |
| | D) | cardiovascular |
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| 5 | |
Unicellular exocrine glands produce |
| | A) | serous fluid |
| | B) | mucin |
| | C) | hormones |
| | D) | saliva |
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| 6 | |
Which exocrine glands do not have ducts? |
| | A) | simple acinar |
| | B) | compound tubular |
| | C) | serous |
| | D) | goblet cells |
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| 7 | |
If, as some argue, lactation involves both merocrine and apocrine secretion, then milk would contain |
| | A) | cytoplasm as well as exocytotic products |
| | B) | remnants of plasma membranes from mammary gland cells |
| | C) | a mixture similar to that produced by the pancreas |
| | D) | the same type of secretion as sebaceous glands |
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| 8 | |
Looking at a microscopic slide, you see a sheet of tissue one cell thick, lining an open space. The tissue must be |
| | A) | a cuboidal epithelium |
| | B) | a simple epithelium |
| | C) | reticular connective tissue |
| | D) | skeletal muscle |
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| 9 | |
A tissue section containing successive layers of smooth muscle, connective tissue, and transitional epithelium could be from the wall of the |
| | A) | heart |
| | B) | stomach |
| | C) | urinary bladder |
| | D) | small intestine |
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| 10 | |
Among the following, which has the fewest cells per unit volume? |
| | A) | dense connective tissue |
| | B) | nervous tissue |
| | C) | simple columnar epithelium |
| | D) | smooth muscle |
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| 11 | |
Which of the following tissues is typically most closely associated with epithelia? |
| | A) | dense connective |
| | B) | cartilage |
| | C) | areolar |
| | D) | smooth muscle |
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| 12 | |
Which two tissues compose most of the integumentary system? |
| | A) | elastic connective tissue and pseudostratified columnar epithelium |
| | B) | dense irregular connective tissue and stratified squamous epithelium |
| | C) | reticular connective tissue and transitional epithelium |
| | D) | elastic connective tissue and stratified squamous epithelium |
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| 13 | |
Connective tissues perform all of the following functions except |
| | A) | establishing the body's structural framework |
| | B) | defending the body from pathogens |
| | C) | transporting fluids and storing energy reserves |
| | D) | conducting electrical impulses |
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| 14 | |
____________ connective tissue is most similar to areolar, but is unique among connective tissues in having relatively little extracellular matrix. |
| | A) | reticular |
| | B) | dense regular |
| | C) | dense irregular |
| | D) | adipose |
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| 15 | |
Which of the following selections includes only wandering cells that may occur in connective tissue proper? |
| | A) | fibroblasts and macrophages |
| | B) | mast cells, neutrophils, and free macrophages |
| | C) | mesenchyme cells and adipocytes |
| | D) | leukocytes and their phagocytic derivatives |
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| 16 | |
Although you are not likely to see them, many fixed macrophages and fibroblasts reside in ____________ connective tissue. |
| | A) | reticular |
| | B) | dense regular |
| | C) | adipose |
| | D) | all of the above |
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| 17 | |
Which structures may be composed of either elastic or dense regular connective tissue? |
| | A) | tendons |
| | B) | menisci |
| | C) | ligaments |
| | D) | none of the above |
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| 18 | |
Of all the connective tissues, which one contains the fewest blood vessels? |
| | A) | cartilage |
| | B) | bone |
| | C) | dense regular connective tissue |
| | D) | dense irregular connective tissue |
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| 19 | |
All of the following are unique features of cardiac muscle except |
| | A) | occurs only in the myocardium |
| | B) | cells are connected by gap junctions |
| | C) | is both striated and involuntary |
| | D) | contains intercalated discs |
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| 20 | |
In some women, the vaginal lining transforms after puberty from simple columnar to stratified squamous epithelium. This is an example of |
| | A) | hypertrophy |
| | B) | metaplasia |
| | C) | neoplasia |
| | D) | atrophy |
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| 21 | |
The most plausible explanation for the "smoker's cough" that develops when the tracheal epithelium changes from pseudostratified columnar to stratified squamous is that |
| | A) | this change is accompanied by tumors that irritate the upper respiratory tract |
| | B) | stratified squamous epithelium secretes more mucin than pseudostratified columnar |
| | C) | the stratified squamous epithelium has no cilia to remove accumulating mucus |
| | D) | the two events are unrelated |
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| 22 | |
A defective gene on chromosome 15 causes Marfan syndrome, a suite of health problems stemming from abnormalities in |
| | A) | fibrillin, collagen, and elastin |
| | B) | proteins in the matrix of connective tissues |
| | C) | both of the above |
| | D) | neither a nor b |
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| 23 | |
If a person continues to overeat, liposuction may not be a permanent solution to excess weight because of |
| | A) | lipogenesis by remaining adipocytes |
| | B) | production of adipocytes from stem cells |
| | C) | subsequent division of adipocytes |
| | D) | both a and b |
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| 24 | |
Crackling sounds within swollen, necrotic muscle tissue are a symptom of ____________ gangrene. |
| | A) | intestinal |
| | B) | gas |
| | C) | wet |
| | D) | dry |
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| 25 | |
Which of the four principal tissue types develops embryonically from all three primary germ layers? |
| | A) | epithelial |
| | B) | connective |
| | C) | muscle |
| | D) | nervous |
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