Communication: Discussion Board: Quiz #3 Results
  1. Excessive collagen deposition in the skin and internal organs.
    Scleroderma

  2. Circulating antibodies to the acetylcholine receptor.
    Myasthenia gravis

  3. A 23-year old woman develops a butterfly rash over the nose and face, low grade fever and joint pain. The most likely diagnosis is:
    Systemic lupus erythematosus

  4. The most likely cause for Kaposi sarcoma, encephalopathy, and dementia in a 35-year old man with a history of drug abuse.
    Acquired immunodeficiency syndrome (AIDS)

  5. Skin disease caused by gluten hypersensitivity.
    Dermatitis herpetiformis

  6. Cancer derived from pigmented skin cells of neural crest origin.
    Melanoma

  7. Epidermal hyperplasia with exaggeration of the rete papillae pattern. Pustules may be present.
    Psoriasis

  8. Precursor lesion of squamous cell carcinoma, commonly seen is sun-exposed skin.
    Actinic keratosis

  9. A 62-year old man presents with an ulcerated and encrusted lesion on the sun-exposed dorsal surface of his right hand. Biopsy reveals atypical keratinocytes, numerous mitoses, multinucleated cells, and evidence of apoptosis.
    Squamous cell carcinoma

  10. The most common malignant tumor in the USA.
    Basal cell carcinoma