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Lab Exercise 6

Obstructive Pulmonary Diseases where airflow in and out of lungs is reduced/restricted, like asthma. Diagnosis requires tests for flow rates
Restrictive Pulmonary Diseases affect ability to inflate and deflate lungs. Diagnoses require tests for flow volumes and capacities
Tidal Volume amount of air inhaled and exhaled with each breath under resting conditions
Inspiratory Reserve Volume amount of air forcefully inhaled after a normal tidal breath
Expiratory Reserve Volume amount of air forcefully exhaled after a normal tidal breath
Vital Capacity maximum exchangeable air in lungs. VC = TV + IRV + ERV
Minute Respiratory Volume amount of air in one minute = Tidal Volume x respirations per minute
Forced Expiratory Volume a test in which a limit is placed on the length of time Subject has to expel vital capacity air. For OPD
Percentage of Vital Capacity FEV1, FEV2, FEV3, amounts that can be forcibly expelled after a maximal inhalation in the period of 1, 2, and 3s . For OPDs
With obstructive pulmonary diseases, the issue lies within the (airflow / lung volume), while in restrictive pulmonary diseases, the (airflow / lung volume) is affected airflow, lung volume
To diagnose obstructive pulmonary diseases, you would most often use (tests of lung volumes / tests of pulmonary flow rates) tests of flow rates
What is the difference between lung volume and lung capacity? capacities are often the sum of two or more volumes, hence they are larger
T/F: it is NOT possible to have both an obstructive and restrictive pulmonary disease at the same time. False
The average inspiratory reserve volume is approximately 3100mL
The term used to describe the average amount of air inhaled or exhaled during a resting breath tidal volume
If one's inspiratory capacity is 3800mL and inspiratory reserve volume is 3200mL, what would be the tidal volume? 600mL
Calculate Vital Capacity VC = TV + IRV + ERV
T/F: the inspiratory reserve volume represents the amount of additional air that can be forcefully inhaled after taking a normal breath True
Calculate Minute Respiratory Volume Tidal Volume x respirations per minute
If an individual has completed the Forced Expiratory Volume test and has a normal FEV1, FEV2, and FEV3, but an abnormally low Vital Capacity, what is the diagnosis? Restrictive Pulmonary Disease
If an individual has completed the Forced Expiratory Volume test and has FEV1, FEV2, and FEV3 all below normal, but vital capacity in normal limits, what is the diagnosis? Obstructive Pulmonary Disease
FEV percent of air forced out after 3 seconds
How are vital capacity and FEV1 affected with asthma? vital capacity is normal, FEV1 is low
How are vital capacity and FEV1 affected with fibrosis? vital capacity is low, FEV1 is normal
Created by: connorquinby



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