Which of the Following Statements Are True of the Alveoli

question 150

Multiple Choice

Which of the following statements are true of the alveoli and pulmonary capillaries? (Read carefully and select all of the correct statements.)

• A)Blood coming into the pulmonary capillaries is low in O₂ and high in CO₂.
• B)The alveolar walls are one cell in thickness.
• C)The total alveoli provide a large surface area for gas exchange.
• D)The pulmonary capillaries are made of simple squamous epithelium.
• E)Type II alveolar cells secrete pulmonary surfactant to increase the osmosis of gases.
• F)Blood leaving the pulmonary capillaries will return to the left atrium of the heart.

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Definitions:

Departmental Predetermined Overhead Rates

These rates are calculated to allocate manufacturing overhead costs to specific departments, based on estimated or actual overhead and activity levels.

Machine-Hours

A measure of production time using machinery; used as a basis for allocating manufacturing overhead costs to products.

Machine-Hours

A measure of the total time that machines are operating during a specific period.

Direct Labor-Hours

The total amount of time spent by workers directly involved in the production of goods, measured in hours.