Multiple Choice

1. A 7-year-old elementary school child presents with her mother to the clinic for evaluation of itching. They deny any exposure to new soaps or detergents, pollens or grasses, or new foods. On physical examination, there are small papules, pustules, lichenified areas, and excoriations. Using a magnifying lens, you identify a burrow on the finger webs. What is the most likely diagnosis?

(A) Scabies

(B) Atopic dermatitis

(D) Telangiectasias

2. A 68-year-old retired mechanic comes to the office for an annual checkup. He is concerned that the small red areas on his skin may be cancer. On physical examination, you see round, bright, ruby-red lesions that are 1-3 mm in diameter and scattered on the anterior chest; they partially blanch with pressure. What is the most likely diagnosis?

(A) Squamous cell carcinoma

(B) Actinic keratosis

(C) Cherry angioma

(D) Spider angioma

3. A 55-year-old realtor presents to your office for evaluation of a skin lesion that has been present for a long time. She came in because her daughter had been reading about skin cancer in her favorite women's magazine and was worried about her mother. The lesion is located on her right cheek. There is a central depression and a firm elevated border. Initially, when it first appeared 5 years ago, it was translucent. What is the most likely diagnosis?

(A) Actinic keratosis

(B) Seborrheic keratosis

(C) Squamous cell carcinoma

(D) Basal cell carcinoma

4. A 35-year-old swimming teacher presents to the office for an annual skin examination. She has several tan, flat, round and oval lesions with sharply defined borders. The lesions are less than 6 mm in diameter. She has one lesion that is dark, 6.5 mm, and has an irregular border, which fades into the surrounding skin. It is not elevated. What is your most likely diagnosis of this lesion?

(A) Benign nevus

(B) Dysplastic nevus

(C) Seborrheic keratosis

(D) Actinic keratosis

5. You are on rounds at the nursing home when you are asked to see an 83-year-old retired farmer who is bed-ridden. The aide is concerned because she has noticed an area on his coccyx that is broken down. You examine the skin and determine that there is a partial thickness skin loss, which involves the epidermis. What stage is this pressure ulcer?



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