A&P II Ch. 23 Respiratory Lab QUIZ

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Figure 23-2 Mechanics of Ventilation Use Figure 23-2 to answer the following questions: What is the relationship between the pressures at label "3"?

P outside > P inside

Figure 23-2 Mechanics of Ventilation Use Figure 23-2 to answer the following questions: Which muscle(s) contract(s) to cause the movement indicated by the arrows labeled "6" and "7"?

both rectus abdominis and internal intercostals

Figure 23-1 The Upper Airways Use Figure 23-1 to answer the following questions: What is the function of the structure labeled "8"?

prevents food from entering the larynx

Figure 23-2 Mechanics of Ventilation Use Figure 23-2 to answer the following questions: What is the relationship between the pressures at label "8"?

P outside < P inside

During a choking episode, most foreign objects are lodged in the ________ bronchus due to its larger diameter and steeper angle.

right primary

The actual sites of gas exchange within the lungs are

alveoli.

The most superior portion of the lung is termed the

apex.

Figure 23-1 The Upper Airways Use Figure 23-1 to answer the following questions: What is the function of the structures labeled "12"?

cause air to swirl within the respiratory passageway improve warming of incoming air create narrow passages help olfaction All of the answers are correct.

Figure 23-2 Mechanics of Ventilation Use Figure 23-2 to answer the following questions: Which muscle(s) produce(s) the movement labeled "1"?

external intercostals

The following is a list of some airways. 1. secondary bronchus 2. bronchioles 3. alveolar ducts 4. primary bronchus 5. respiratory bronchiole 6. alveoli 7. terminal bronchiole The order in which air passes through is

4, 1, 2, 7, 5, 3, 6.


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