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Letter G is the ________, which extends from the larynx to the bronchi.

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Which of the following describes the function of cilia?


A) Mucus-secreting cells in the lower bronchial tree
B) Tiny structures in the airways that trap and hold foreign material
C) Tiny hair-like structures in the airways that push mucus toward the pharynx
D) Composed of macrophages and destroy inhaled pathogens
E) Flap-like structures that close off the larynx during swallowing

F) B) and D)
G) A) and B)

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When carbon dioxide binds to hemoglobin, it forms ________.

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Letter A is a(n) ________, which branches off the tertiary bronchi.

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Hemoglobin bound to oxygen is bright red in color and is called ________.

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A pleural effusion that consists of pus in the pleural cavity is called a(n) ________.

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Difficulty breathing, especially when lying down, is a condition known as ________.

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  -The largest cartilage in the larynx, indicated by letter C, is the ________. -The largest cartilage in the larynx, indicated by letter C, is the ________.

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  -Letter D in the figure represents the ________, which forms most of the posterior wall of the larynx. -Letter D in the figure represents the ________, which forms most of the posterior wall of the larynx.

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What is the amount of air forcefully exhaled after a normal exhalation called?


A) Tidal volume
B) Inspiratory reserve volume
C) Peak expiratory flow
D) Residual volume
E) Expiratory reserve volume

F) A) and B)
G) A) and E)

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  -The structure indicated by the letter E on the figure is the ________. -The structure indicated by the letter E on the figure is the ________.

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A condition in which the pleura become inflamed is ________ or pleurisy.

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  -Letter A is the ________, a passage through which air flows to the pharynx. -Letter A is the ________, a passage through which air flows to the pharynx.

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A pleural ________ may consist of blood, fluid, air, or pus in the pleural cavity.

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Pleuritis, or ________, is a condition in which the pleura of the lungs become inflamed.

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The function of the respiratory system is to move air in and out of the lungs. This process is called ________, respiration, or breathing.

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Allergic ________ is a hypersensitivity reaction to various airborne allergens.

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The alveolar sac is connected to letter D, which is a(n) ________.

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What is the medical term for the opening between the vocal cords?


A) Bronchus
B) Nasal cavity
C) Glottis
D) Epiglottis
E) Pharynx

F) C) and D)
G) A) and E)

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The ________, shown at letter E in the figure, transports air to the bronchi.

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