The Abnormal Red Cell Membrane in PNH Is Highly Sensitive

question 30

Multiple Choice

The abnormal red cell membrane in PNH is highly sensitive to:

• A) Alloantibodies
• B) Complement
• C) Drug-induced antibodies
• D) IL-1
• E) None of the above

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Definitions:

Natural Monopoly

A market condition in which a single firm can provide a product or service at a lower cost than any potential competitors, often due to economies of scale.

Economies of Scale

Cost advantages reaped by companies when production becomes efficient, as the scale of the operation increases.

Exclusive Franchise

A business arrangement granting a single entity the right to market a company's goods or services within a specified territory.