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Nursing In a Flash 
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Question Answer
The right lung is divided into ______ lobes, and the left lung is divided into ______ lobes.
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Right lung: three-upper, middle and lower Left lung: two-upper and lower
Breathing through the nasal passages provides protection for the ______ airway, filtering particles larger than 10 micrometers.
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Lower
Where are the olfactory nerve endings located?
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In the roof of the nose
Adenoids are in the the (nasopharynx/ororpharynx/laryngopharnx?) and tonsils are located in the (nasopharynx/ororpharynx/laryngopharnx?).
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Adenoids = nasopharynx Tonsils=oropharynx
You are suctioning a patient and all of a sudden they start vigorously coughing. Your understanding of anatomy makes you realize you have touched the ________, which is highly sensitive.
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Carina
At what point (where in the body) is inhaled air in the lower respiratory tract?
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When it passes the carina
A _______ is where the mainstream bronchi, pulmonary vessels, and nerves enter the lungs through a slit.
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Hilus
Which bronchi is the most likely site to locate an aspirated object? Why?
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The right bronchi...it is shorter, wider and straighter than the left.
Enlarged lymph nodes in the _______, like those that occur with sarcoidosis or tuberculosis, may be visible on a chest xray.
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Hilar area (especially with hilar lymphadenopathy)
What are the conducting airways of the lungs?
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The Trachea, segmental branch of the bronchi, sub-segmental branch of the bronchi, and the non-respiratory bronchioles
What makes up a respiratory unit in the lungs?
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Respiratory bronchioles, alveolar ducts and alveoli
The mainstream bronchi divide several times to form ________, ___________, and ___________ bronchi.
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Lobar, segmental and non-segmental bronchi
No exchange of oxygen or carbon dioxide occurs in the lungs until the air enters the ___________.
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Respiratory bronchioles
What is anatomic dead space?
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The area of the respiratory tract that serves as only a conduit of air (nose to the respiratory bronchioles) and performs no gas exchange
VD symbolizes the area of the respiratory tract referred to as....
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Anatomic dead space (nose to respiratory bronchioles)
With each breath, the normal adult inhales 500 mL of air (tidal volume/VT). Only _____ mL is VD.
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150 mL
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_______ are the functional unit of the lungs.
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Alveoli
What part of the alveoli allow for movement of air between alveoli?
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The pores of Kohn
Where is the site of gas exchange in the lungs?
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The alveolar-capillary membrane
Why does pulmonary edema reduce gas exchange in the lungs?
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The excess fluid fills the interstitial spaces and alveoli, covering the capillary-alveolar membrane
________ is a lipoprotein that reduces the amount of pressure needed to inflate alveoli and also decreases the tendency for them to collapse.
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Surfactant
What is the function of a sigh and how often do they occur?
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They usually occur every five-six breaths and they stretch alveoli to promote surfactant secretion
________ refers to collapsed, airless alveoli.
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Atelectasis
How thick is the respiratory membrane?
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1/5000 of an inch/5 micrometers
Why is a post-operative patient at risk for atelectasis?
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The effects of anesthesia and the tendency to restrict breathing in response to pain
The lungs have two diffent types of circulation, pulmonary and bronchial. _______ circulation provides blood to the lungs for gas exchange.
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Pulmonary
The lungs have two diffent types of circulation, pulmonary and bronchial. _______ circulation provides oxygen to the lung tissue.
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Bronchial
The _______ artery receives deoxygenated blood from the right ventricle of the heart and branches so that each pulmonary capillary is directly connected to many alveoli.
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Pulmonary
Bronchial circulation starts with the bronchial arteries which arise from the __________.
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Thoracic aorta


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