Which of the Following Is a Disadvantage of Oropharyngeal Airways

question 13

Multiple Choice

Which of the following is a disadvantage of oropharyngeal airways (OPAs) ?

• A) They cannot be used in patients with a suspected skull fracture.
• B) They do not come in pediatric sizes.
• C) They require the use of a water-soluble lubricant.
• D) They cannot be used in a patient with a gag reflex.

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Definitions:

Objective Function

A mathematical function used in decision-making processes, often in optimization and linear programming, representing the goal to be achieved, such as minimizing costs or maximizing profits.

Contribution Margin

The amount of revenue remaining after subtracting the variable costs of producing a product, serving as an indicator of the product's profitability.

Variable Cost

Costs that change directly in proportion to changes in the volume of production or sales, such as raw materials and direct labor.

Contribution Margin

The amount by which a product's sales price exceeds its variable costs, indicating how much contributes to covering fixed costs and generating profit.