Insufficient Production of Erythrocytes Due to Lack of Vitamin B₁₂

question 40

Multiple Choice

Insufficient production of erythrocytes due to lack of vitamin B₁₂ is the cause of

• A)polycythemia
• B)leukemia
• C)aplastic anemia
• D)pernicious anemia
• E)hemorrhagic anemia

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Definitions:

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Costs that vary directly with the level of production or sales, like raw materials and labor.

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The financial gain that exceeds both the total opportunity costs of production and the accounting costs, reflecting the additional value created from business activities.

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The profit a company has after deducting all its expenses from its total revenue.

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