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PFT Exam One All Answers Correct

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PFT Exam One All Answers Correct bronchodilators what medication should be withheld before patient testing? spirometry what is considered the "gold standard" PFT for diagnosing airway obstruction? height A persons Vital Capacity is directly related to their ________ flow volume loop ...

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  • August 14, 2024
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  • 2024/2025
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  • PFT Exm One
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PFT Exam One All Answers Correct
bronchodilators

what medication should be withheld before patient testing?

spirometry

what is considered the "gold standard" PFT for diagnosing airway obstruction?

height

A persons Vital Capacity is directly related to their ________

flow volume loop

what type of graph is this?




volume time curve

what type of graph is this?




bronchodilator studies

A type of PFT where FVC, FEV1, and flow volume loops are used to measure response to bronchodilator
meds

Bronchoprovocation testing

testing that is done to identify inhaled allergens; mucous membranes are directly exposed to suspect
allergen in increasing amounts

Exhaled Nitric Oxide Testing

Test used to monitor asthma patients' response to corticosteroid treatment; assessment of
inflammatory changes in the lungs

airway resistance, residual volume, FRC, and TLC

what volumes are measured in a body box?

, gas dilution test

A test that measures how the concentration of the gases in the container changes due to breathing; FRC
determinations allows TLC and RV to be calculated

DLCO

what assesses the integrity of the alveolar-capillary membrane?

diffusing capacity test

measures the ability of the respiratory membrane to exchange a gas between the alveoli and the
pulmonary blood; mainly focuses on the diffusion of oxygen

pulse oximetry

commonly used to assess SpO2 and heart rate

diagnose presence of lung disease, look at extent of disease, measure effects of occupational or
environmental exposures, determine beneficial or negative effects of therapy, assess risks for surgical
procedures, evaluate disability or impairment, clinical research involving lung health of disease

what are the indications for spirometry?

evaluate or follow the progress of parenchymal lung disease, eval pulmonary involvement in systematic
diseases, eval obstructive lung and cardiovascular disease, quantify disability associated with interstitial
lung disease

what are indications for DLCO (diffusing capacity)?

diagnose or assess the severity of restrictive lung disease, differentiate between obstructive and
restrictive disease patterns, assess response of therapeutic interventions, determine the extent of
hyperinflation, assess gas trapping, make pre op assessments of patients with compromised lung
function

what are the indications for Lung Volumes? (TLC, FRC, RV)

restrictive lung disease (reduced TLC)

the most common reason for measuring lung volumes is to identify what?

obstructive lung disease

Narrowed airways result in resistance to airflow during breathing. Examples are asthma, bronchiectasis,
COPD, and cystic fibrosis, emphysema, alpha 1 antitrypsin deficiency, vocal cord dysfunction, and
tumors

restrictive lung disease

the condition of fibrous lung tissue, which results in a decreased ability to expand the lungs. examples
are pulmonary fibrosis, sarcoidosis, kyphoscoliosis, asbestosis, Guillian-barre, myasthenia gravis, CHF,
and obesity

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