Which Statement About Surfactants Is True

question 190

Multiple Choice

Which statement about surfactants is true?

• A) Lung surfactant is a sticky substance similar to mucus.
• B) Surfactants increase the cohesive forces between water molecules.
• C) Certain cells in the diaphragm produce surfactants to increase its elasticity.
• D) Increased surface tension caused by surfactants reduces the amount of effort required to inflate the lungs.
• E) Premature infants suffer respiratory distress syndrome if natural surfactants are not present within the lungs.

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Definitions:

Variable Overhead Efficiency Variance

The difference between the actual variable overhead incurred and the expected variable overhead based on standard cost for the actual level of activity.

Performance Evaluation

The process of assessing the effectiveness and efficiency of individuals, teams, or systems within an organization.

Budgets

Financial plans that estimate income and expenditures for a specific period of time, often used by businesses and individuals for planning purposes.

Budgeting Process

A systematic approach to estimating the financial performance and resource requirements of a business for a future period, typically involving setting goals and preparing detailed plans.