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1 | | Place the following in their proper order from external to internal. |
| | A) | epidermis, dermis, muscle layer, subcutaneous layer |
| | B) | epidermis, subcutaneous layer, dermis, muscle layer |
| | C) | epidermis, dermis, subcutaneous layer, muscle layer |
| | D) | muscle layer, subcutaneous layer, dermis, epidermis |
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2 | | The integument is composed of all the following EXCEPT |
| | A) | skin. |
| | B) | hair. |
| | C) | nails. |
| | D) | muscle. |
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3 | | Hair follicles have scent glands and ___________ glands, which produce _________ that reduces microbial infestation. |
| | A) | sweat; low pH, salty fluids |
| | B) | sebaceous; low pH, oily fluids |
| | C) | peptide; antimicrobial peptides |
| | D) | lacrimal; lysozyme |
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4 | | The stratum corneum, or outermost layer of skin, |
| | A) | is composed of epithelial cells. |
| | B) | is about 10 cells thick. |
| | C) | is composed of living cells. |
| | D) | is packed with a protein called chitin. |
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5 | | One of the chief reasons that the microbial count on skin is relatively low is due to ___________ found in epithelial cells, which work by disrupting bacterial membranes. |
| | A) | antimicrobial peptides |
| | B) | low pH |
| | C) | high salt content |
| | D) | lysozymes |
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6 | | Which of the following is not considered to be normal flora of the skin? |
| | A) | Propionibacterium |
| | B) | Lactobacillus |
| | C) | Enterococcus |
| | D) | Corynebacterium |
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7 | | Nearly 25% of all skin biota resides |
| | A) | under the fingernails. |
| | B) | in hair follicles. |
| | C) | in skin folds. |
| | D) | on the hands. |
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8 | | Cellulitis is a condition |
| | A) | caused by a fast-spreading infection in the epidermis. |
| | B) | that causes pain, redness, and peeling of the skin. |
| | C) | that can include the swelling of lymph nodes draining the area. |
| | D) | that results in "scalded skin syndrome." |
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9 | | Lymphangitis, red lines leading away from an infected area, is associated with |
| | A) | impetigo. |
| | B) | scalded skin syndrome. |
| | C) | acne. |
| | D) | cellulitis. |
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10 | | MRSA is a serious concern in health care settings because it is |
| | A) | resistant to first- and second-line antibiotics. |
| | B) | acquired in hospitals. |
| | C) | acquired in community settings. |
| | D) | all of the above. |
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11 | | Exotoxin-mediated diseases include |
| | A) | impetigo, SSSS, gas gangrene |
| | B) | measles, rubella, scarlet fever |
| | C) | tinea corporis, Leishmaniasis, anthrax |
| | D) | shingles, molluscum contagiosum, warts |
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12 | | Human herpesvirus, also known as HHV-3, causes all of the following diseases EXCEPT |
| | A) | chickenpox. |
| | B) | herpes zoster. |
| | C) | shingles. |
| | D) | smallpox. |
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13 | | Measles is also known as |
| | A) | rubella. |
| | B) | roseola. |
| | C) | rubeola. |
| | D) | ringworm. |
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14 | | Measles usually result in oral lesions called |
| | A) | Koplik's spots. |
| | B) | eschar. |
| | C) | cold sores. |
| | D) | warts. |
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15 | | Rubella (German measles, or "little red") is a relatively minor disease, but because ___________, children are usually vaccinated against it. |
| | A) | there is no treatment |
| | B) | herd immunity is inconsequential |
| | C) | it is endemic |
| | D) | it causes birth defects |
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16 | | Smallpox and chickenpox are both maculopapular rash diseases. How does diagnosis between the two occur? |
| | A) | presence or absence of fever |
| | B) | location and distribution of lesions |
| | C) | both of the above |
| | D) | none of the above |
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17 | | Maculopapular rashes have |
| | A) | flat to slightly raised colored bumps. |
| | B) | small purpurae. |
| | C) | flaky portions of skin. |
| | D) | vesicles. |
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18 | | Warts are caused by |
| | A) | human parvoviruses. |
| | B) | human papillomaviruses. |
| | C) | herpesviruses. |
| | D) | poxviruses. |
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19 | | A fungal infection of the body is called |
| | A) | tinea cruris. |
| | B) | tinea corporis. |
| | C) | tinea pedis. |
| | D) | tinea manuum. |
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20 | | River blindness is a chronic |
| | A) | parasitic helminth infection. |
| | B) | bacterial infection. |
| | C) | viral infection. |
| | D) | protozoan infection. |
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21 | | Ringworm is caused by |
| | A) | helminth infestation. |
| | B) | viral infection. |
| | C) | cutaneous mycoses. |
| | D) | S. aureus. |
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22 | | The ___________ is the thin membrane-like tissue that covers most of the eye. |
| | A) | cornea |
| | B) | conjunctiva |
| | C) | iris |
| | D) | lacrimal gland |
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23 | | The entire epidermis is replaced every 25 to 45 days with new cells. |
| | A) | True |
| | B) | False |
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24 | | One key technique for separating S. aureus from other species of Staphylococcus is the catalase test. |
| | A) | True |
| | B) | False |
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25 | | Shingles is associated with a prior infection of measles. |
| | A) | True |
| | B) | False |
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26 | | Humans are the only natural hosts for HHV-3. |
| | A) | True |
| | B) | False |
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27 | | Fifth disease is associated with "slapped-face" syndrome. |
| | A) | True |
| | B) | False |
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28 | | Ocular trachoma is a chronic infection of the epithelial cells of the skin. |
| | A) | True |
| | B) | False |
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29 | | The flushing action of the tears, which contain lysozyme and lactoferrin, is the major protective feature of the eye. |
| | A) | True |
| | B) | False |
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30 | | Keratitis is a more serious eye infection than conjunctivitis and is often caused by herpes simplex viruses. |
| | A) | True |
| | B) | False |
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31 | | Smallpox has essentially been eliminated from global populations, but is still considered to be a bioterrorism threat. |
| | A) | True |
| | B) | False |
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32 | | Measles are often fatal in nonvaccinated children. |
| | A) | True |
| | B) | False |
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