1. A 60-year-old woman develops a chronic cough, and a chest radiograph reveals a 5 cm right hilar mass. She is a non-smoker, and none of the persons with whom she lives are smokers. She has been healthy all her life. She is a homemaker and has raised 5 children:
2. Over a period of less than a day, a 45-year-old man develops increasing weakness and nausea with headaches, then progressive respiratory failure requiring intubation. He is a farmer. His wife says that he was out on his tractor spraying a field of melons with insecticide the day before. He has a markedly decreased serum cholinesterase level
3. A 40-year-old man has an auto repair shop in which he does radiator repair, requiring welding. The shop is not properly ventilated. Over a period of months, he becomes more lethargic, drops his tools often, and has mental sluggishness. His dentist notes that there is a faint gray line at the gum margins. A CBC reveals a Hgb of 8.6 g/dL, and a peripheral blood smear shows basophilic stippling of the RBCs:
Section 2
Identify the causes of the following
1. The skin of the decedent is noted to have a bright cherry-red appearance
2 Diaphragmatic pleural plaques are present:
3 There is extravasation of RBC’s into the dermis beneath an intact epidermis following blunt force trauma
4 There is epidermal coagulative necrosis with residual skin adnexae still present
5 A subdural hematoma is present in a 75-year-old woman who fell to the ground:
6 A defect is seen in the skin which has sharp, clean edges:
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