Forensic pathology principles — Flashcards

Flashcard 1: _____ stain identifies glycogen and is thus useful in identifying glycogen storage diseases

Answer: Periodic acid-Schiff (PAS)

Flashcard 2: Bacterial meningitis may cause death due to _____, secondary to cerebral edema

Answer: herniation

Flashcard 3: The PAS stain is useful for staining _____

Answer: glycogen

Flashcard 4: Disorders of fibrinolysis typically present with _____ bleeding time

Answer: increased

Flashcard 5: What type of scar extends beyond the borders of the original wound? _____

Answer: Keloid scar

Flashcard 6: fat necrosis (breast)

Answer: fat necrosis and saponification following trauma (often mild or unremarkable trauma)

Extra: Presents as a painless breast lump; may mimic breast cancer on physical exam and mammography (calcifications from saponification).

Flashcard 7: The subtypes of fibrocystic disease of the breast are _____, _____, _____, and _____.

Answer: fibrosis

Flashcard 8: aplasia (organogenesis)

Answer: absent organ despite present primordial tissue

Flashcard 9: What is the ultimate consequence of prolonged nutrient depletion and waste build-up in a cell?

Answer: Death (Irreversible cell injury)

Extra: Prolonged nutrient depletion and waste build-up in a cell eventually leads to irreversible injury and cell death.

Flashcard 10: How do Duchenne's and Becker's muscular dystrophies differ genetically?

Answer: DMD: Frameshift mutation (complete loss of dystrophin). BMD: Non-frameshift mutation (partially functional dystrophin).