NKU MSN 610 Module 2 Questions With
Complete Solutions
Macule correct answer: A flat circumscribed area that is a change in the color of the skin, < 1 cm in diameter.
Examples - freckles, flat moles (nevi), petechiae, measles.
Papule correct answer: An elevated, firm, circumscribed area, <
1 cm in diameter. Examples- wart (verruca), elevated moles, lichen planus.
Patch correct answer: A flat nonpalpable, irregularly shaped macule > 1 cm in diameter.
Examples: Vitiligo, port wine stains, hyperpigmented macule, café au lait patch.
plaque correct answer: Elevated, firm, and rough lesion with flat top surface > 1 cm in diameter. Example- Psoriasis, seborrheic, and actinic keratosis.
Wheal correct answer: Elevated, irregular shaped area of cutaneous edema solid transient variable diameter.
Example: insect bites urticaria allergic reaction.
Nodule correct answer: Elevated firm circumscribed lesion deeper in dermis than papule 1-2 cm in diameter.
Example- Erythema nodosum , lipoma. Mass correct answer: Elevated and solid lesion, may or may not
be clearly demarcated, deeper in dermis > 2 cm in diameter. Example: Neoplasms, benign tumor, lipoma.
Vesicle correct answer: Elevated circumscribed, superficial, not
into dermis, filled with serous fluid, < 1 cm in diameter.
Example- Varicella, herpes zoster.
Bulla correct answer: Vesical > 1 cm in diameter
Example- Blister, pemphigus vulgaris.
pustule correct answer: Elevated superficial lesion, similar to vesicle but filled with purulent fluid. Example- Impetigo, acne.
Cyst correct answer: Elevated, Circumscribed, encapsulated lesion, in dermis or subcutaneous layer, filled with liquid or semisolid material. Example- Sebaceous cyst, cystic acne.
Telangietasia correct answer: Fine, irregular, red lines produced
by capillary dilation. Example- Telangiectasia in rosacea.
Scale correct answer: Heaped up keratinized cells, flaky skin irregular, thick or thin dry or oily variation in size.
Example- Flaking of skin with seborrheic dermatitis or after a dog reaction dry skin. Lichenification correct answer: Rough thickened epidermis secondary to persistent rubbing, itching, or skin irritation, often involves flex surface of extremity. Example- Chronic dermatitis.
Keloid correct answer: Irregularly shaped elevated progressively enlarging scar, grows beyond the boundaries of the wound caused by excessive collagen formation during healing. Example- keloid formation after surgery.
Scar correct answer: Thin to thick fibrous tissue that replaces normal skin after injury or laceration to the dermis. Example- Healed wound or surgical incision.
Excoriation correct answer: Loss of the epidermis linear hollowed out crusted area.
Example- Abrasion or scratch scabies.
Fissure correct answer: Linear crack or break from the epidermis to the dermis may be moist or dry.
Example- Athlete's foot, cracks at the corner of the mouth.
Erosion correct answer: Loss of part of the epidermis, depressed, moist, glistening, follows rupture of a vesicle or bulla.
Example- Varicella, variola after rupture.
Ulcer correct answer: Loss of epidermis and dermis concave varies in size.
Example- Decubiti, Stasis ulcers.
