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Gas Exchange / Oxygenation / Perfusion - NSG170 PVCC Exam 2 Questions and Answers (100% Pass)
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Gas Exchange / Oxygenation / Perfusion - NSG170 PVCC Exam 2 Questions and Answers (100% Pass)
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©PREP4EXAMS @2024 [REAL EXAM DUMPS] Wednesday, July 17, 2024 1:27 AMGas Exchange / Oxygenation / Perfusion - NSG170 PVCC
Exam 2 Questions and Answers (100% Pass)
Describe the basic principles of gas exchange: - ✔️✔️During gas exchange:
- oxygen moves from the lungs to the bloodstream.
- carbon dioxide passes from the blood to the lungs.
- This happens in the lungs between the alveoli and a network of tiny blood vessels called
capillaries
Hypercarbia (hypercapnia) - ✔️✔️excessive level of carbon dioxide in the blood
Hypoxemia - ✔️✔️deficient amount of oxygen in the blood
Hypoxia - ✔️✔️deficiency in the amount of oxygen reaching the tissues
Identify risk factors related to altered gas exchange. - ✔️✔️-Smoking: This can affect the lungs
capacity and could cause COPD or other diseases.
-High Altitudes: This can affect ventilation due to unavailability of oxygen
-Anemia: Affects the transport of oxygen from hemoglobin due to decreased hemoglobin.
-COPD: Increases mucus production and fluid accumulation in airways.
-Asthma: Causes narrowed airways
-Chronic Bronchitis or Cystic Fibrosis: This causes obstruction
-Pneumonia, Pulmonary edema, acute respiratory distress syndrome: These cause poor gas
diffusion in the alveoli.
-Allergens
-Environmental Exposure
Plan prevention strategies for alterations in gas exchange. - ✔️✔️Preventing infection can help
reduce the risk of diseases that affect gas exchange ( Pneumonia, Bronchitis)
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, ©PREP4EXAMS @2024 [REAL EXAM DUMPS] Wednesday, July 17, 2024 1:27 AM
Smoking cessation can help reduce the risk of developing diseases that affect gas exchange
(COPD, Lung Cancer).
Immunizations can help reduce the risk of getting viral infections that can decrease gas
exchange (Influenza, Pneumonia, measles, and pertussis).
Preventing postoperative complications can help with proper gas exchange by ignoring it the
patient is at risk for atelectasis or aspiration pneumonia.
Identify assessment data including diagnostic and laboratory tests to determine an
individual's gas exchange status. - ✔️✔️(CT) scan
Pulse oximetry
Arterial blood gas (ABG)—general review
Complete blood count (CBC)
Allergen testing
Anemia labs: Iron, Folate, Vitamin B6 and B12
How does a CT scan help for gas exchange status? - ✔️✔️CT can identify key morphological
features, including:
- emphysema,
- bronchial wall thickening
- gas trapping.
These pathologies contribute directly to airflow obstruction and, therefore, CT has the
potential to provide vital insights into the underlying pathophysiological changes of COPD.
How does a Pulse oximetry help for gas exchange status? - ✔️✔️Pulse oximetry is a test used
to measure the oxygen level (oxygen saturation) of the blood
How does a Arterial blood gas (ABG) help for gas exchange status? - ✔️✔️Arterial blood gas
tests measure the amount of oxygen and carbon dioxide in the blood to help see how well
your lungs are working
Guaifenesin is what type of med? that works by? - ✔️✔️Expectorants, Antitussives
Expectorant / non-narcotic antitussive combinations are used to treat cough. They work by
breaking up mucus in the lungs and helping the user cough up the mucus to remove it from
the lungs.
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