Exam (elaborations)
Chapter 25 (1)
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Exam of 8 pages for the course Population & Wildlife Post at Population & Wildlife Post (Chapter 25 (1))
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Chapter 25---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.
Conditioned - ANS-When inhaled gases pass through conducting airways, the gases are
"_________" meaning that they are warmed to body temperature, humidified, and cleansed of
particulate matter.
---nasal septum.
vestibule.
middle cartilage.
lateral cartilage. - ANS-The nasal cavity is divided into left and right portions by the
Nasopharynx-2-Conducts air; contains auditory tubes
Oropharynx-1-Conducts air and food; contains palatine tonsils
Laryngopharynx-3-Conducts air and food; terminates at esophagus - ANS-Match the region of
the pharynx with its function.
Larynx-2-Conducts air and produces sound
Trachea-3-Conducts air
Alveolar ducts-1-Functions in gas exchange - ANS-Match the structures of the lower respiratory
tract with its function.
Viscera-2-Covers the outer lung surfaces
Parietal pleura-1-Internal thoracic walls - ANS-Match the pleura with the structures that it
covers.
-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?
, five; four
---three; two
three; three
two; two - ANS-The right lung has ________ lobes, and the left lung has ________ lobes.
hilum - ANS-The bronchi, pulmonary vessels, lymph vessels, and nerves pass through the
__________ on the mediastinal surface of the lungs.
----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 ____.
-Asthma
---Chronic bronchitis
---Emphysema
-Chronic sinus infections - ANS-Chronic obstructive pulmonary disease includes which of the
following? Check all that apply.
anatomically divided into upper and lower respiratory tracts
condtucting portion and respiratory portion - ANS-respiratory system organization
Nose, nasal cavity, pharynx of the upper respiratory tract and larynx, trachea, and main bronchi
of lower respiratory tract to terminal bronchi - ANS-conducting portion
performs pulmonary ventilation (inhalation and exhalation)
respiratory bronchioles-->alveoli
gas exchange
gas conditioning (warming, humidifying, and cleaning)
sound production
olfaction
defense - ANS-respiratory system functions
nose and nasal cavities
paranasal sinuses
pharynx
upper tract is within conducting portion of respiratory system - ANS-upper respiratory tract
nose main conducting airway for inhaled air
paired nasal bones form the bridge of the nose
nasal cavity begins the internal component of the nose and ends as openings to the
nasopharynx known as conchae
vestibule is the anterior region of the nasal cavity
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