In the Accompanying Low Power Photomicrograph of Lung from a Patient

question 4

Multiple Choice

In the accompanying low power photomicrograph of lung from a patient with tuberculosis,the eosinophilic area labelled "CN" in the centre of the lesion depicted is best described by which one of the following words or statements?

• A)Apoptosis
• B)Caseous necrosis
• C)Cottage cheese degeneration
• D)Liquifactive necrosis
• E)Suppurating granuloma

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Definitions:

Nail Body

The visible part of the nail, made of keratin, that covers and protects the tips of the fingers and toes.

Nail Bed

Epithelial tissue resting on dermis under the nail between the nail matrix and hyponychium; contributes to the formation of the nail.

Hyponychium

Thickened portion of the stratum corneum under the free edge of the nail.

Cuticle

The outer layer of living tissue, especially in plants, acting as a protective barrier. In humans and animals, it often refers to the outer layer of skin or the protective layer around the nail or hair.