General Pathology — Flashcards

Flashcard 41: _____ bodies are amorphous eosinophilic nuclear inclusions associated with yellow fever

Answer: Torres

Flashcard 42: What is the mode of inheritance of erythropoietic protoporphyria?

Answer: Autosomal dominant (with low penetrance)

Extra: Erythropoietic protoporphyria (EPP) is most commonly inherited in an **autosomal dominant** pattern with low penetrance. It is caused by a deficiency of the enzyme **ferrochelatase**. In contrast, **Congenital erythropoietic porphyria** (Gunther disease) is **autosomal recessive** (deficiency of uroporphyrinogen III synthase).

Flashcard 43: Positively birefringent crystals will appear _____ when aligned parallel to the axis of polarized light

Answer: blue

Flashcard 44: A recurrent chalazion should be subjected to histopathological evaluation to exclude the possibility of _____.

Answer: sebaceous gland carcinoma

Flashcard 45: Excess copper deposition in Wilson's disease is demonstrated by _____ stain.

Answer: rhodamine

Flashcard 46: Fibrin levels in a transudate are usually _____

Answer: low

Flashcard 47: Which stain is used to identify macular dystrophy of the cornea?_____

Answer: Alcian blue

Flashcard 48: Methanol, ethanol and acetone are examples of _____ fixatives

Answer: dehydrant

Flashcard 49: In Rhinitis sicca, ciliated columnar epithelium undergoes _____ metaplasia

Answer: squamous

Flashcard 50: _____ first listed the four cardinal signs of inflammation

Answer: Celsus