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1. A 35-year-old archaeologist comes to your office (located in Phoenix, Arizona) for a regular skin check-
up. She has just returned from her annual dig site in Greece. She has fair skin and reddish-blonde hair.
She has a family history of melanoma. She has many freckles scattered across her skin. From this
description, which of the following is not a risk factor for melanoma in this patient?
A) Age
B) Hair color
C) Actinic lentigines
D) Heavy sun exposure - (correct Answer) - A) Age
2. You are speaking to an 8th grade class about health prevention and are preparing to discuss the
ABCDEs of melanoma. Which of the following descriptions correctly defines the ABCDEs?
A) A = actinic; B = basal cell; C = color changes, especially blue; D = diameter >6 mm; E = evolution
B) A = asymmetry; B = irregular borders; C = color changes, especially blue; D = diameter >6 mm; E =
evolution
C) A = actinic; B = irregular borders; C = keratoses; D = dystrophic nails; E = evolution
D) A = asymmetry; B = regular borders; C = color changes, especially orange; D = diameter >6 mm; E =
evolution - (correct Answer) - B) A = asymmetry; B = irregular borders; C = color changes, especially blue;
D = diameter >6 mm; E = evolution
3. You are beginning the examination of the skin on a 25-year-old teacher. You have previously elicited
that she came to the office for evaluation of fatigue, weight gain, and hair loss. You strongly suspect that
she has hypothyroidism. What is the expected moisture and texture of the skin of a patient with
hypothyroidism?
A) Moist and smooth
B) Moist and rough
C) Dry and smooth
D) Dry and rough - (correct Answer) - D) Dry and rough
, 4. A 28-year-old patient comes to the office for evaluation of a rash. At first there was only one large
patch, but then more lesions erupted suddenly on the back and torso; the lesions itch. On physical
examination, you note that the pattern of eruption is like a Christmas tree and that there are a variety of
erythematous papules and macules on the cleavage lines of the back. Based on this description, what is
the most likely diagnosis?
A) Pityriasis rosea
B) Tinea versicolor
C) Psoriasis
D) Atopic eczema - (correct Answer) - A) Pityriasis rosea
5. A 19-year-old construction worker presents for evaluation of a rash. He notes that it started on his
back with a multitude of spots and is also on his arms, chest, and neck. It itches a lot. He does sweat
more than before because being outdoors is part of his job. On physical examination, you note dark tan
patches with a reddish cast that has sharp borders and fine scales, scattered more prominently around
the upper back, chest, neck, and upper arms as well as under the arms. Based on this description, what
is your most likely diagnosis?
A) Pityriasis rosea
B) Tinea versicolor
C) Psoriasis
D) Atopic eczema - (correct Answer) - B) Tinea versicolor
6. A 68-year-old retired farmer comes to your office for evaluation of a skin lesion. On the right temporal
area of the forehead, you see a flattened papule the same color as his skin, covered by a dry scale that is
round and feels hard. He has several more of these scattered on the forehead, arms, and legs. Based on
this description, what is your most likely diagnosis?
A) Actinic keratosis
B) Seborrheic keratosis
C) Basal cell carcinoma
D) Squamous cell carcinoma - (correct Answer) - A) Actinic keratosis
7. A 58-year-old gardener comes to your office for evaluation of a new lesion on her upper chest. The
lesion appears to be "stuck on" and is oval, brown, and slightly elevated with a flat surface. It has a
rough, wartlike texture on palpation. Based on this description, what is your most likely diagnosis?
A) Actinic keratosis
B) Seborrheic keratosis
C) Basal cell carcinoma