Week 2: Integumentary System

Question 1

What is impetigo

Answer 1

-bacterial infection
-vesiculopustural lesions
-develop thick honey colored crust
-most common on face

Question 2

Carbuncle

Answer 2

-multiple interconnecting furuncles
-most common on nape

Question 2

Furunculosis

Answer 2

-increased in diabetes, obese, chronically ill patients

Question 3

Seborrheic keratosis

Answer 3

-irregularly round or oval, often verrucous papules, well-defined, pigmentation gets darker with time

Question 3

Folliculitis

Answer 3

-bacteria
-in areas subjected to friction, moisture, rubbing
-increased in diabetes patients

Question 3

What does ultraviolet A rays cause

Answer 3

tanning, premature aging, loss of skin elasticity, degenerative changes in dermis

Question 3

Actinic keratosis

Answer 3

dry, scaly, hyperkeratotic papules, flat or elevated

Question 3

What does ultraviolet B rays cause

Answer 3

sunburn, premature aging, loss of skin elasticity, degenerative changes in dermis

Question 4

Atopic dermartitis

Answer 4

associated with asthma
-could cause oozing vesicles, itching,

Question 5

What order to WBCs appear during cellular response to tissue injury

Answer 5

1. Neutrophils
2. Monocytes
3. Macrophages
4. Lymphocytes

Question 6

How does inflammation follow vascular pathway

Answer 6

1. Cellular injury
2. Release of chemical mediators
3. Local vasodilation
4. Increased capillary permeability

Question 7

Acetaminophen (tylenol)

Answer 7

lowers temp by action on heat-regulating center in hypothalamus

Question 8

Fibrinous inflammatory exudate

Answer 8

fibrinogen leakage into interstitial spaces.

Question 9

Aspirin (Salicylates)

Answer 9

-Inhibit PG synthesis
-reduce capillary permeability

Question 10

Mechanical debridement

Answer 10

-Wet-to-dry dressings
-Wound irrigation

Question 11

What is becaplermin used for

Answer 11

-treats pts with diabetic foot ulcers
-only used when wound is free of dead tissue and infection

Question 12

How does smoking affect healing

Answer 12

impedes blood flow to healing areas

Question 13

What assessments need to be done before administering isotretinoin for severe acne

Answer 13

-liver function
-ask if pregnant or wanting to be pregnant

Question 14

What is a side effect of psoralen (for phototherapy)

Answer 14

sunburns and persistent pruritus

Question 15

Positive test results of potassium hydroxide test indicate what?

Answer 15

a fungal infection

Question 16

What is a punch biopsy

Answer 16

obtains tissue sample for histologic study. Reserved for lesions smaller than 0.5cm

Question 17

What is fluorouracil and what are side effects

Answer 17

-treats precancerous lesions (especially AK)

Question 18

How is the Breslow measurement related to the prognosis of malignant melanoma?

Answer 18

The deeper the tumor the worse the prognosis

Question 19

What is cellulitis

Answer 19

infection of the dermis and underlying hypodermis

Question 20

What characterizes psoriasis

Answer 20

thick reddened papules or plaques covered by silvery white patches

Question 21

What does basal cell carcinoma appear as

Answer 21

pearly papule with central crater and rolled waxy border

Question 22

What does actinic keratosis appear as

Answer 22

premalignant lesion, appears as small macule or papule with dry, rough, adherent yello or brown scale

Question 23

What does squamous cell carcinoma appear as

Answer 23

firm, nodular lesion, topped with a crust or a central area of ulceration

Question 24

Cyanosis on dark skin people

Answer 24

ashen gray color seen in conjunctiva, mucous membranes, and nail beds

Question 25

Jaundice in dark skin

Answer 25

sclera, palms, soles

Question 26

Viral skin infection

Answer 26

-herpes simplex
-herpes zoster
-plantar warts

Question 27

primary intention

Answer 27

neatly approximated edges such as surgical incision or paper cut
-initial, granulation, and maturation phases

Question 28

Secondary intention

Answer 28

edges not approximated from trauma, ulceration, or infection

Question 29

Tertiary intention

Answer 29

delayed primary intention, suturing of wound

Question 30

Debridement options

Answer 30

-biologic
-enzymatic
-autolytic
-mechanical
-surgical/ conservative sharp