General Pathology — Flashcards

Flashcard 81: The normal N: C (nuclear to cytoplasmic) ratio is _____.

Answer: 1:4 to 1:6

Flashcard 82: _____ type of necrosis is characterized by the denaturation of proteins

Answer: Coagulative

Flashcard 83: Lardaceous spleen is due to deposition of amyloid in sinusoids of _____ pulp.

Answer: red

Flashcard 84: _____ cystitis is seen due to catheterization of bladder

Answer: Polypoid

Flashcard 85: For routine diagnostic microscopy of paraffinembedded material, _____ is the most widely used fixative

Answer: 10% neutral buffered formalin

Flashcard 86: Which stain is used to demonstrate lipids (fats) and gives them a black color?

Answer: Osmium tetroxide

Flashcard 87: _____ is used to stain acid mucin

Answer: Alcian blue

Flashcard 88: The most common type of epithelial metaplasia is _____ to _____ metaplasia.

Answer: columnar; squamous

Flashcard 89: _____ calcification can occur in _____ and this can include the vasculature and major organs in the body.

Answer: Metastatic; sarcoidosis::lung disease

Flashcard 90: Which type of section is used for the histological demonstration of lipids (fats)?

Answer: Frozen section

Extra: Routine paraffin embedding involves the use of organic solvents like xylene and alcohols, which dissolve lipids. Frozen sections bypass these steps, preserving lipids for demonstration with special stains such as Oil Red O or Sudan Black.