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Medical And Microbiology > Unit 5 A > Flashcards

Unit 5 A Flashcards

1
Q

Describe the important anatomical features of the skin.

A

Stratum corneum

Stratum lucidum

Stratum granulosum

Stratum spinosum

Stratum spinosum

Stratum Basale

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2
Q

List the natural defenses present in the skin.

A

Stratum basale: keratin

Sweat glands

Antimicrobial peptides

Sebum

Lysozyme

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3
Q

Cells in the epidermis contain Click or tap here to enter text., giving them the ability to withstand damage.

A

Keratin

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4
Q

Damage to the Click or tap here to enter text. causes bleeding.

A

Dermis

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5
Q

The low pH of Click or tap here to enter text. along with toxic by-products of its metabolism inhibit the growth of most microbes.

A

Sebum

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6
Q

Click or tap here to enter text. is an enzyme that targets peptidoglycan.

A

Lydozyme

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7
Q

List the types of normal biota presently known to occupy the skin.

A

Staphylococcus epidermidis

Propionibacterium acnes

Staphylococcus aureus

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8
Q

There are more dense populations of bacteria on the skin in moist areas & Click or tap here to enter text. Click or tap here to enter text..

A

Skin folds

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9
Q

Choose an item. There are hundreds of species of bacteria living on the skin.

A

True

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10
Q

Choose an item. Everyone carries about the same population of skin biota.

A

False

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11
Q

Choose an item. One’s own skin microbiome stays relatively stable over their lifetime.

A

True

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12
Q

About 4% of the population carry Click or tap here to enter text. Click or tap here to enter text. on their skin.

A

Staphylococcus aureus

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13
Q

Name two common species found on the skin of humans. (Spelling counts)

A

Staphylococcus epidermidis

Propionibacterium acnes

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14
Q

In your textbook, read Insight 18.1. Summarize the treatment that is being researchers to help newborns establish a healthy skin microbiome.

A

A gauze pack is placed in mother’s vagina,, and after baby is delivered the guaze is wiped over the babies mouth and skin.

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15
Q

Folliculitis

A

relatively superficial infection of the hair follicle characterized by a rash or a pimple.

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16
Q

Foruncles

A

boils, skin infections involving a hair follicle and the surrounding skin tissue. May begin as a peas-sized lesion and then spread, oozing pus that may require drainage.

17
Q

Carbuncles

A

involve a group of hair follicles and have similar symptoms as furuncles but are clustered and form a lump deep in the skin.

18
Q

Erysipelas

A

the bacteria enter the skin through a small cut or break in the skin and cause blisters or swollen lesions accompanied by fever, shaking, and chills.

19
Q

Necrotizing fasciitis

A

infection starts as minor infection at hair follicle or break in skin. Then proceeds as rapidly as toxins produced by the bacteria break down tissues, the tissues die, and the bacteria spread through the bloodstream.

20
Q

Besides causing skin infections, S. pyogenes can cause a range of other types of infections. Name 4 other diseases caused by S. pyogenes (that are not cellulitis or impetigo).

A

Strep throat

Scarlet fever

Bacterium

pneumonia

21
Q

Conjunctiva

A

this membrane-like tissue that covers the eye and lines the eyelids. Secretes an oil and mucus-containg fluid that lubricates & protects the surface of the eye.

22
Q

Cornea

A

windshield of the eye. Covering the iris. With layers of epithelial cells that regenerate quickly is superficially damaged.

23
Q

Tears

A

consist of aqueous fluid, oil, & mucus keeps eyes moist and keeps out/removes things from the eye consist of aqueous fluid, oil, & mucus keeps eyes moist and keeps out/removes things from the eye

24
Q

List the natural defenses present in the eye.

A

Conjunctive

Cornea

Tears

Immune privilege

25
Q

The Click or tap here to enter text. can regenerate quickly if superficially damaged.

A

Epithelial cells of cornea

26
Q

Tears are formed in the Click or tap here to enter text. gland.

A

Lacrimal

27
Q

Click or tap here to enter text. & Click or tap here to enter text. in tears have antimicrobial properties.

A

Oil and mucus

28
Q

The reduced innate immunity of the eye to protect vision is known as Click or tap here to enter text. Click or tap here to enter text..

A

Immune privilege

29
Q

The microbiota of the eye is generally Click or tap here to enter text., with a limited diversity.

A

Sparse

30
Q

Click or tap here to enter text. is the dominant genus in the eye microbiome.

A

Corynebacterium

31
Q

Choose an item. If normal biota is found on the eye, it resembles the normal biota of the skin

A

False

32
Q

Conjunctivitis caused by bacteria has a(n) Click or tap here to enter text. exudate & viral conjunctivitis has a(n) Click or tap here to enter text. exudate.

A

Milky

Clear

33
Q

Which of the three types of eye diseases does not lead to blindness?

A

Conjunctivitis

Medical And Microbiology (16 decks)

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