Muscle Fatigue Is a Result of

question 21

Multiple Choice

Muscle fatigue is a result of

• A) accumulation of lactic acid.
• B) exhaustion of available ATP.
• C) reduction in lactic acid.
• D) failure of calcium channels to open after prolonged use.
• E) inactivity of muscles for prolonged periods of time.

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Definitions:

Opportunity Cost

The loss of potential gain from other alternatives when a particular alternative is chosen.

Variable Manufacturing Costs

Costs in manufacturing that vary with the level of production output, including direct labor, materials, and utilities.

Direct Labor

The labor costs directly associated with the manufacture of products, typically wages for workers who physically produce the goods.

Net Present Value

The difference between the present value of cash inflows and outflows over a period of time, used in capital budgeting to assess the profitability of an investment.