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Because the conducting zone structures have no gas exchange function, they are called _________.


A) respiratory dead space
B) physiological dead space
C) anatomical dead space

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The alveoli are made up of _________ .


A) stratified squamous epithelium
B) simple cuboidal epithelium
C) simple columnar epithelium
D) simple squamous epithelium

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Ventilation is_________ .


A) the movement of air into and out of the lungs
B) the exchange of gases between blood and tissue cells
C) the exchange of gases between blood and the air- filled chambers of the lungs
D) the transport of respiratory gases between the lungs and the tissues of the body

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A

A respiratory bronchiole can be distinguished from a terminal bronchiole by_________ .


A) the total loss of smooth muscle in its walls
B) the loss of cartilage rings that are seen in the terminal bronchioles
C) the absence of an epithelium lining it
D) the alveoli that first appear on the respiratory bronchioles

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What is the correct order of passageways, from proximal to distal?


A) terminal bronchiole, respiratory bronchiole, alveolar duct
B) alveolar duct, respiratory bronchiole, terminal bronchiole
C) respiratory bronchiole, terminal bronchiole, alveolar duct
D) terminal bronchiole, alveolar duct, respiratory bronchiole

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The function of the bronchial tree through the terminal bronchiole is_________ ; the function of the respiratory bronchiole and alveoli is_________ _.


A) to move air, gas exchange
B) to filter air, to move carbon dioxide across the respiratory membrane
C) gas exchange, gas exchange
D) to warm and moisten air, to move air to the respiratory membrane

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What kind of epithelium lines the trachea?


A) simple squamous
B) stratified squamous
C) pseudostratified ciliated columnar
D) ciliated columnar

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The functions of the nasal cavity include_________ .


A) accommodating both ingested food and air
B) passing inspired air into the blood
C) passing air over the various tonsils
D) warming, moistening, and filtering the air

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D

The respiratory membrane includes the_________ .


A) capillary and alveolar walls and their fused basal laminae
B) the capillary and alveolar epithelial sheets, and a common, mucous- coated basement membrane
C) capillary wall, a thin fluid- filled space, and the alveolar wall

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Select the pair below that is a correct match of the structure and zone.


A) respiratory zone, terminal bronchiole
B) respiratory zone, nasal cavity
C) conducting zone, trachea
D) conducting zone, alveolar sac

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The right lung has superior, middle, and inferior lobes. Which lobe is missing on the left side?


A) inferior
B) middle
C) superior

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The function of the respiratory system is to __________.


A) convert carbon dioxide to oxygen and carbon
B) supply the body with oxygen and carbon dioxide
C) create oxygen and break down carbon dioxide
D) supply the body with oxygen and eliminate carbon dioxide

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D

The portion of the serous membrane that covers and adheres to the lung is called the _________.


A) pleural cavity
B) visceral pleura
C) parietal pleura
D) fibrous sac

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The larynx_________ .


A) is covered during swallowing by the cricoid cartilage
B) is located posterior to the esophagus (food chute)
C) is formed by a group of elastic cartilages
D) contains the apparatus for speech

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The main bronchi enter the lungs at an area called the .


A) pulmonary indentation
B) pelvis of the lung
C) pleural connection
D) hilum of the lung

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The medial surface of the left lung has a cavity that accommodates the contents of the mediastinum. It is called the_________ .


A) cardiac notch
B) paraphrenic indentation
C) stinal indentation
D) medial notch

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The lungs lay primarily __________ to the heart.


A) lateral
B) inferior
C) superficial
D) anterior

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Speech occurs when air is moved through this passageway between the_________ .


A) vocal folds
B) vestibular folds
C) walls of the arytenoid canal
D) false vocal cords

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The inflated lungs of a fresh pluck_________ .


A) remain a tan/brown color, since it is no longer living tissue
B) feel like a soft sponge
C) change color and become paler as the lungs increase in size
D) feel like a soft balloon

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Which lobes of the lungs are found in the apex?


A) inferior
B) superior
C) middle

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