The Brain Is Supplied with Blood Through Two Major Arteries

question 48

Multiple Choice

The brain is supplied with blood through two major arteries: ____.

• A) the dorsal scapular artery and the vertebral artery
• B) the dorsal scapular artery and the carotid artery
• C) the carotid artery and the femoral artery
• D) the carotid artery and the vertebral artery

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Definitions:

Marginal Cost

Marginal cost is the additional cost incurred in the production of one more unit of a good or service.

Average Total Cost

The per unit cost of production, calculated by dividing the total costs (fixed and variable) by the total quantity of output produced.

Economic Profits

The excess of a firm's total revenues over its opportunity costs, reflecting profitability beyond the normal return on investment.

Competitive Price-searcher Market

A market in which firms have some control over prices because their products are differentiated, but they still face competition and must search for competitive pricing strategies.