Which of Following Structures Belongs to the Respiratory (As Opposed

question 12

Multiple Choice

Which of following structures belongs to the respiratory (as opposed to the conducting) portion of the respiratory system?

• A) alveolus
• B) primary bronchus
• C) secondary bronchus
• D) trachea
• E) terminal bronchiole

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Definitions:

Placebo Control

A method in research where a group of participants receives a sham or inert treatment to compare against the effects of the actual treatment.

Newly Developed Treatment

Innovative or recently introduced methods or interventions for diagnosing, preventing, or curing diseases.

Placebo Control Group

A group in a clinical trial that receives a sham treatment or inactive substance, used as a benchmark to measure the effects of the actual treatment.

Inactive Substance

A substance with no intended therapeutic effect, commonly used in clinical trials as a control to test the efficacy of treatments.