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Exam 22: The Respiratory System

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Question 1

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The ________ sinuses drain into the nasal cavity.

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Question 2

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It is easy to see on the outer surface of a smoker's lung hexagons approximately the size of the tip of a little finger and clearly outlined by black lines of carbon. These structures are

A) lobes.
B) bronchopulmonary segments.
C) lobules.
D) bronchioles.

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Question 3

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The external intercostal muscles are involved in active inspiration.

The pharyngeal tonsil is

Fluid that reduces surface tension of the alveolar walls.

The lungs are located in the

These are peripheral chemoreceptors that monitor changes in respiratory gasses and blood acidity levels.

Some bronchi have names such as the "right upper-lobe bronchus," "left lower-lobe bronchus," and "right middle-lobe bronchus." These are ________ bronchi.

The region of the lung served by secondary, or lobar, bronchi.

The only laryngeal cartilage to form a complete ring is the cuneiform.

Supportive cartilage disappears from the bronchial tree at the level of the

The soft ________ muscle of the trachea allows the esophagus to expand anteriorly during swallowing.

Figure 22.2 Use the diagram above to answer the following questions. -Identify the letter that indicates Ciliated cells in this layer transport mucus laden with dust, bacteria, pollen, and viruses towards the pharynx.

The ________ cartilages are the posterior anchor of the vocal cords.

The ________ flaps over the glottis when we swallow food.

In the wall of the trachea and bronchi, the cartilage rings lie within which tissue layer?

Figure 22.1 Use the diagram above to answer the following questions. -Identify the letter that indicates a flexible tube that has C-shaped cartilaginous rings that keep it from collapsing.

The vocal ligaments are attached between the cricoid and arytenoid cartilages.

Describe the histological changes that occur in the walls of bronchial tree, beginning with the trachea proceeding to the alveoli.

Describe all the anatomical changes to the larynx that account for the deeper voice of men compared to women.