Patients Who Are in the Last Phase of Poliomyelitis, Myasthenia

question 13

Multiple Choice

Patients who are in the last phase of poliomyelitis, myasthenia gravis, and Guillain-Barré syndrome usually die of respiratory failure because their

• A) elastic fibers are damaged
• B) collagen fibers are damaged
• C) skeletal muscles become weakened
• D) smooth muscle become weakened
• E) alveoli become congested

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Definitions:

Dollars

The unit of currency used in the United States and other countries, represented by the symbol $.

Degree of Operating Leverage

The Degree of Operating Leverage is a measure that assesses the sensitivity of a company's operating income to changes in its sales volume, indicating the percentage change in operating income for a percentage change in sales.

Net Operating Income

A measure of a company's profitability from its regular business operations, deducting operating expenses from gross income.

Operating Leverage

A measure of how sensitive a company's operating income is to a change in its sales revenue, indicating the proportion of fixed to variable costs.