How Is Hemophilia a (Classical Hemophilia) Different from Hemophilia B

question 31

Multiple Choice

How is hemophilia A (classical hemophilia) different from hemophilia B?

• A)Symptoms of hemophilia B are not present at birth, but those of hemophilia A are.
• B)In hemophilia B, the affected gene is on an autosome instead of the X chromosome.
• C)The clotting factor problem in hemophilia B is a deficiency of factor IX rather than factor VIII.
• D)The physiologic effect on the partial thromboplastin time is more profound with hemophilia than with hemophilia B.

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Definitions:

Marginal Cost

Marginal cost is the cost of producing one additional unit of a good or service.

Consumer Demand

The desire of purchasers, consumers, clients, or users to buy goods and services measured over time.

Competitive Industry

An industry characterized by many buyers and sellers, such that no single market participant has significant influence over prices.

Long-Run Equilibrium

A state in which all factors of production and costs are variable, and firms are making neither excess profit nor losses, typically reached over time.