Answered: Bronchodilators are medication used to…

Bronchodilators are medication used to dilate the lungs' airways. How would these medications affect the FEV 1.0 and MVV measurements in a person with asthma?

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter13: The Respiratory System

Section: Chapter Questions

Problem 3TAHL

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Bronchodilators are medication used to dilate the lungs' airways. How would these medications affect the FEV 1.0 and MVV measurements in a person with asthma?

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A 50-year-old female patient has an FEV1 of 1.8 liters and an FVC of 3.2 liters. What is the patient's FEV1/FVC ratio, and what does it suggest about the patient's lung function? 0.39, severe obstruction O 0.56, moderate obstruction 0.69, mild obstruction O 0.78, normal lung function
Given the following ABG (arterial blood gas) values for an asthmatic patient, what is your diagnosis? Briefly explain how you came to that diagnosis. pH = 7.33 (normal range: 7.38-7.42 PaCO2 = 55 mm Hg (normal range: 38-42 mm Hg) HCO3– = 25 mEq/L (normal range: 22-28 mEq/L) PaO2 = 70 mm Hg (normal range: 75-100 mm Hg)
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Where should the sensor be placed when analyzing the oxygen concentration (FiO2)? How does the RT calibrate the oxygen analyzer? How does a pulse oximeter measure saturation? What shift in the O2 - Hemoglobin curve occurs due to carboxyhemoglobin? Provide at least 3 clinical manifestations of carbon monoxide poisoning
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There is a theory that suggests a patient with COPD might have a depression of ventilation following administration of high fiO2. Which of the following best summarizes the recommendations on how to address this concern? A. Never administer supplemental oxygen to patients with COPD as the risk of them stopping breathing is too great B. Treat acute hypoxemia with oxygen, but wean the oxygen as soon as possible C. Always double filter oxygen being delivered to a patient with COPD to ensure there are no particles that may be breathed in D. Supplement oxygen therapy with medical grade carbon dioxide to maintain dr to breathe
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