NR283 Worksheet 3 Skin and Respiratory.

NR283 Worksheet 3 Skin and Respiratory. SKIN 1. Define the following:and give an example of each a. Macule Less than 1 cm, flat, well defined border. Includes freckles and measles. b. Papule Small firm and usually elevated, 1 cm, solid mass, circumscribed border. Includes moles and warts c. Nodule Elevated, solid, palpable mass, 1-2 cm. Includes small lipoma, squamous cell carcinoma and fibroma. d. Pustule Elevated, lesion, usually contains purulent. Includes acne and impetigo e. Vesicle Circumscribed, elevated, palpable mass filled with fluid. Includes poison ivy, chicken pox, and shingles f. Plaque Greater than 1 cm, slightly elevated with a flat surface. Includes psoriasis g. Crust Dry rough surface, dry exudate, or dry blood. Includes a scab. h. Lichenification Thick, dry, rough surface that is almost like leather. Includes eczema i. Keloid Raised, irregular, and increasing mass. Includes scar formation after surgery. j. Fissure Small, deep cracks in the skin that may be painful. Includes athletes foot. k. Ulcer Cavity with loss of tissue, weeping, bleeding, 4 stages. Includes venous stasis ulcer l. Pediculosis An infestation of lice, includes head lice. m. Erosion Shallow, moist cavity located in the dermis. Includes a secondary lesions of herpes zoster n. Comedone Mass of sebum, keratin, and debris blocking the opening of a hair follicle. Includes a blackhead.