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Chapter 25 Questions and 100% Verified Correct Answers Guaranteed A+, Complete Document for Exam
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Chapter 25 Questions and 100% Verified Correct Answers Guaranteed A+, Complete Document for Exam
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Chapter 25-----is an indented area through which the bronchi, pulmonary vessels, lymphatic vessels, and
nerves pass.
-is the point of exit of exhaled air
-is an elevated area through which the trachea, pulmonary vessels, and nerves pass
-is the point of entrance for inhaled air
-serves to anchor all pulmonary structures to the mediastinum - ANS-The hilum of the lung
----becomes larger; returns to its original size
-obtains its original size; becomes smaller due to muscles of exhalation
-becomes larger; becomes smaller than its resting size
-returns to its normal, resting size; becomes smaller than its resting size - ANS-During
inhalation, the thoracic cavity _____; during exhalation, the thoracic cavity ____.
----decrease
-increases
-stays the same - ANS-As skeletal muscles contract during forced inspiration, the thoracic
volume increases and intrapulmonary pressure
----flows out of the lungs
-does not move when there is a difference in pressure
-flows into the lungs - ANS-As intrapulmonary pressure increases above atmospheric pressure,
air
----The air becomes turbulent
-the air is cleansed
-the air is moistened
-the air is cooled
-the air is humidified - ANS-Several things happen to inhaled air in a process called
conditioning. Select the exception.
---nasal septum.
vestibule.
middle cartilage.
lateral cartilage. - ANS-The nasal cavity is divided into left and right portions by the
---Nose
---Nasal cavity
-Respiratory bronchioles
---Larynx
---Trachea
, -Alveoli - ANS-Check all of the following that are components of the conducting portion of the
respiratory system.
-Asthma
---Chronic bronchitis
---Emphysema
-Chronic sinus infections - ANS-Chronic obstructive pulmonary disease includes which of the
following? Check all that apply.
-Bronchus
----Larynx
-Pharynx
-Esophagus
-Trachea - ANS-Which of the following is known as the "voice box"?
-esophagus
-alveolar ducts
----trachea
-bronchioles
-pharynx - ANS-What structure connects to the primary bronchi?
-exhalation
-inhalation and exhalation
----inhalation - ANS-The diaphragm contracts during
-It is a real space that separates the visceral and parietal pleura so that they do not touch.
-It is a real space outside of the pleural membranes, creating a slight distance between the
lungs and the ribs.
-It is a potential space that becomes a real space only during forced exhalation, allowing the
lungs to decrease significantly in size.
----It is a potential space that contains a lubricating fluid that allows the visceral and parietal
pleura to slide by each other easily. - ANS-Which of the following is true about the pleural
cavity?
(breathing) movement of air into and out of lungs
gas exchange involves four simultaneous processes: pulmonary ventilation, alveolar gas
exchange, gas transport within the blood, systemic gas exchange (between blood and body
cells) - ANS-pulmonary ventilation
10 bronchiopulmonary segments in the right lung and 8-10 in the left lung
each segment is supplied by its own tertiary bronchus and a branch of a pulmonary artery and
vein
each segment is surrounded by and isolated from other segments by connective tissue -
ANS-lungs
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