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HA Exam 4 - Wk 13-16 > Derm - Powerpoints > Flashcards

Derm - Powerpoints Flashcards

1
Q

What are the 5 layers of the epidermis?

A

1) Stratum corneum
2) Stratum lucidum
3) Stratum granulosum
4) Stratum spinosum
5) Stratum germinativum (basale)

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2
Q

What type of cells form the stratum corneum

A

Keratinocytes (also called squamous cells)

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3
Q

What term is the process for cellular travel from the bottom layer (basale) to the top layer of the skin resulting in cell death?

A

Keratinization

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4
Q

How long does keratinization take?

A

30 days

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5
Q

What type of cell forms new keratinocytes replacing the old ones that are shed?

A

Basal cells

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6
Q

What are the names of the cells that produce melanin and prevent UV damage?

A

Melanocytes

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7
Q

What are the names of the cells that provide cutaneous immunity?

A

Langerhan cells (present FB to t cells)

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8
Q

What are the cells that provide sensory nerve endings?

A

Merkels cells

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9
Q

What are the name of the glands that provide thermoregulation and adhesion

A

Eccrine

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10
Q

What are the name of the glands that have no known function in humans

A

Apocrine

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11
Q

Sebaceous glands produce ____

A

Sebum (acne)

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12
Q

What muscles cause goosebumps?

A

Pili erector

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13
Q

The most important function of the dermis is to?

A

Produce collagen

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14
Q

What are the two layers of the dermis

A

1) Papillary (vasculature)

2) Reticular (collagen)

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15
Q

What are the functions of the subcutaneous layer of the skin?

A

1) cushioning
2) insulation
3) nutrition storage

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16
Q

What is the term for a physical process in the skin considered to be caused directly by a disease process?

A

Primary lesion

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17
Q

A superficial flat spot on the skin < 1 cm

A

Macule

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18
Q

What is a macule larger than 1 cm?

A

Patch

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19
Q

Solid elevations without fluid up to 1 cm in size

A

Papule (acne)

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20
Q

What is a solid palpable lesion > 1 cm with no fluid

A

Nodule

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21
Q

What is a soft, firm, moveable or fixed lesion over 2 cm

A

Tumor

22
Q

What are broad papules greater than 1 cm

A

Plaque

23
Q

Fluid containing elevations up to 1 cm

A

Vesicles

24
Q

Fluid filled elevations greater than 1 cm

A

Bullae

25
Q

What is another name for hives?

A

Wheal (moves)

26
Q

Linear lesions produced by infestation of the skin

A

Burrow

27
Q

Permanent dilation of superficial blood vessels of the skin

A

Telangiectasia

28
Q

What type of lesions are caused from primary lesions or external forces?

A

Secondary lesions

29
Q

What is the term for desquamated layers of the stratum corneum

A

Scale

30
Q

What disease is associated with honey crusting?

A

Staph aureus

31
Q

Absence of epidermis or subcutaneous fat

A

Atrophy

32
Q

Thickening of the epidermis caused by chronic rubbing or scratching

A

Lichenification

33
Q

Depressed areas of the skin where the epidermis has been lost

A

Erosion

34
Q

Traumatized or abraded skin caused by scratching or rubbing

A

Excoriation

35
Q

Linear cleavage

A

Fissure

36
Q

Necrosis of epidermis and dermis (sometimes subQ also)

A

Ulceration

37
Q

Exaggerated connective tissue response of injured skin

A

Keloid

38
Q

Hard plaque covering due to burn

A

Eschar

39
Q

Minute punctate capillary bleeding < 1 cm

A

Petechiae

40
Q

Petechiae over 1 cm

A

Purpura

41
Q

Another name for bruising

A

Ecchymosis

42
Q

What is the name for a lesion that blanches when pressed

A

Erythema

43
Q

43% of people with skin disorders also suffer from?

A

Depression and anxiety

44
Q

Most common acne is called?

A

Acne vulgaris

45
Q

Psoriasis patients make new skin every __ days

A

4

46
Q

Psoriasis has a ___-_____scale

A

Silvery-white

47
Q

Malignant melanoma generally occurs in what areas?

A

Non-sun exposed areas

48
Q

Older population lesions with a greasy, cauliflower-like surface that can be scratched off

A

Seborreheic keratosis

49
Q

Red spot that does not blanch

A

Cherry angiomas

50
Q

Abnormal scar that is hard and discolored

A

dermatofibroma

51
Q

Usually in older folks where sun exposure is prominent, feels like sandpaper

A

Solar/actinic keratosis

52
Q

Looks pearly or shiny under the microscope that may have a crevice and may spread

A

Basal cell carcinoma

HA Exam 4 - Wk 13-16 (3 decks)

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