Which Structure Is the Site of Gas Exchange in the Lungs

question 83

Multiple Choice

Which structure is the site of gas exchange in the lungs?

• A) Alveoli
• B) Bronchi
• C) Bronchioles
• D) Trachea
• E) Larynx

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Definitions:

Variable Ratio

A variable ratio is a schedule of reinforcement where a response is rewarded after an unpredictable number of responses, often used in behavior analysis.

Soft-Drink Vending Machine

A machine that dispenses cold beverages, such as sodas and juices, usually upon insertion of a coin or token.

Schedule

A plan that gives expected times for different things to happen.

Fixed Interval

In the context of reinforcement, it refers to a schedule where rewards are delivered at consistent time intervals after a desired behavior is performed.