Deck 13: Integumentary Function

Question 1

Which cells of the dermis release histamine?

A) Mast cells
B) Eosinophils
C) Macrophages
D) Histiocytes

Answer 1

A

Question 2

Basal cell carcinoma:

A) has a high metastasis potential.
B) can cause significant local tissue destruction.
C) is usually not nodular.
D) is often preceded by actinic keratosis.

Answer 2

B

Question 3

__________ forms part of the extracellular matrix and is involved in skin maintaining moisture.

A) Eumelanin
B) Hyaluronic acid
C) Sebum
D) Keratin

Answer 3

B

Question 4

Which of the following cells in the epidermis are antigen-presenting cells that form part of the innate immune system?

A) Keratinocytes
B) Melanocytes
C) Langerhans cells
D) Merkel cells

Question 5

__________ is an inflammatory disorder of the skin that is often considered synonymous with dermatitis and characterized by pruritus with lesions that have an indistinct border.

A) Atopic dermatitis
B) Psoriasis
C) Contact dermatitis
D) Eczema

Question 6

Lesions located on the extensor surfaces of a 55-year-old man that are well demarcated, thick, silvery, scaly, and bleed easily are characterized as:

A) dermatitis.
B) eczema.
C) inverse psoriasis.
D) plaque psoriasis.

Question 7

Hypertension, cardiovascular disease, inflammatory bowel disease, and other autoimmune disorders can be associated with which of the following integumentary disorder?

A) Herpes zoster
B) Atopic dermatitis
C) Psoriasis
D) Pityriasis rosea

Question 8

A man has a collection of infected hair follicles on his back. The lesions are erythematous and painful and draining from multiple openings. The diagnosis is:

A) erysipelas.
B) furuncles.
C) carbuncles.
D) cystic acne.

Question 9

A 13-year-old boy just started on a wrestling team. He is brought in by his mother because he has two lesions that erupted approximately 3 days ago. The lesions are round patches that have a red border with central clearing and is pruritic. There is no drainage. Based on this presentation, the likely diagnosis is:

A) tinea corporis.
B) candidiasis.
C) scabies.
D) contact dermatitis.

Question 10

A man and his son come in complaining of itching on their arms and legs. They report they were hiking in a wooded area approximately 3 days ago. They are diagnosed with poison ivy. This type of delayed hypersensitivity reaction is categorized as:

A) type I.
B) type II.
C) type III.
D) type IV.

Question 11

A 60-year-old man is diagnosed with seborrheic keratosis. These lesions are:

A) silvery and bleed easily when touched.
B) dry, flaky, and pruritic.
C) ulcerative looking and are considered precursors to cancer.
D) smooth or warty and benign.

Question 12

Which of the following lesions are generally found in fair-skinned individuals and are considered precursors to squamous cell carcinoma?

A) Seborrheic keratosis
B) Pityriasis rosea
C) Actinic keratosis
D) Seborrheic dermatitis

Question 13

__________ is considered a hallmark of dermatitis.

A) Pruritus
B) Vesicle development that crusts
C) Fever
D) Papular rash

Question 14

A 3-year-old started daycare, and she developed lesions around her mouth that are thin, rupture, and form a honey-colored crust. The treatment for these lesions will include a topical:

A) antiviral.
B) antifungal.
C) antibacterial.
D) corticosteroid.

Question 15

An 8-year-old girl has started developing small, dome-shaped lesions over her neck and upper chest. The lesions are shiny, white papules with a crater-like center. The diagnosis is:

A) acne vulgaris.
B) molluscum contagiosum.
C) tinea versicolor.
D) pityriasis rosea.

Question 16

A 20-year-old just returned from backpacking throughout the country. He was staying in campgrounds and hostels. He states he had unprotected sex twice. He comes in complaining of severe itching, which is worse at night. On examination, he has light-brown streaks around his waistline (top of pants), and the lesions are crusting and erythematous. There are also lesions between his fingers in the webs and genital area. The genital lesions are not vesicular or sharply demarcated. The diagnosis is:

A) scabies.
B) pediculosis pubis.
C) contact dermatitis.
D) tinea cruris.

Question 17

An infant was born with a nevus flammeus (i.e., port wine stain). The parents ask questions about the lesions. What information will be provided to the parents?

A) Tattooing is the best option to remove large birthmarks such as these.
B) This birthmark does not fade with aging, and laser can be used to fade the stain.
C) This birthmark needs to be removed with surgery.
D) This birthmark will generally fade as your child gets older.

Question 18

A 16-year-old with acne vulgaris wants to know why she needs to take antibiotics for acne because she thought it was more of a problem with oiliness. You explain:

A) acne is associated with a bacterial infection in the follicles and sebaceous glands.
B) antibiotics are given because most people pop their pimples and cause infection.
C) antibiotics help to prevent thickening and peeling of skin.
D) antibiotics decrease sebum production.

Question 19

An infection around the base or sides of the nail is termed:

A) paronychia.
B) onychomycosis.
C) tinea manum.
D) herpes whitlow.

Question 20

An 80-year-old woman has advanced dementia and severe mobility issues. During your assessment, you note that she has dry, stable eschar on her left heel. A treatment strategy will include:

A) mechanical debridement.
B) enzymatic debridement.
C) softening with moist dressings.
D) off-loading the heel and not removing the eschar.

Question 21

Which of the following are integumentary changes associated with aging?

A) Increased blood flow leading to increased bruising
B) Decreased touch receptors leading to a risk for injury
C) Increased elasticity leading to increased tearing
D) Decreased moisture making skin drier
E) Decreased touch receptors leading to a risk for injury and decreased moisture making skin drier

Question 22

A way to distinguish a wart from a callus is:

A) when paring down, warts will have small, thrombosed vessels.
B) when taking scrapings of warts, fungi will be evident.
C) calluses are more of a flat-topped papule.
D) warts heal better with a padding.