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Questions and Answers
Pulmonary Function Testing should be used as a primary tool for determining absolute postoperative risk.
Pulmonary Function Testing should be used as a primary tool for determining absolute postoperative risk.
False
General anesthesia increases skeletal muscle tone, leading to higher lung volumes during surgery.
General anesthesia increases skeletal muscle tone, leading to higher lung volumes during surgery.
False
Risk of post-operative pulmonary complications is higher in patients with a history of less than 40 pack-years of cigarette use.
Risk of post-operative pulmonary complications is higher in patients with a history of less than 40 pack-years of cigarette use.
False
A BMI above 30 is considered a risk factor for post-operative pulmonary complications.
A BMI above 30 is considered a risk factor for post-operative pulmonary complications.
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Alcohol use is not listed as a risk factor for post-operative pulmonary complications in the text.
Alcohol use is not listed as a risk factor for post-operative pulmonary complications in the text.
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Patients with heart failure are not at an increased risk of post-operative pulmonary complications based on the text.
Patients with heart failure are not at an increased risk of post-operative pulmonary complications based on the text.
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Inflating an already deflated lung is harder than inflating an already opened lung.
Inflating an already deflated lung is harder than inflating an already opened lung.
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If the lung completely deflates between breaths, blood flowing from closed alveoli would have very high SO2.
If the lung completely deflates between breaths, blood flowing from closed alveoli would have very high SO2.
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TLC represents the gas volume in the lung after a maximum expiration.
TLC represents the gas volume in the lung after a maximum expiration.
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RV is the volume left in the lungs after maximum inspiratory effort.
RV is the volume left in the lungs after maximum inspiratory effort.
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VC in spirometry refers to the maximum volume that can be inhaled but not exhaled.
VC in spirometry refers to the maximum volume that can be inhaled but not exhaled.
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VC is reduced only in obstructive diseases, not in restrictive diseases.
VC is reduced only in obstructive diseases, not in restrictive diseases.
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The removal of CO2 is mainly determined by minute ventilation.
The removal of CO2 is mainly determined by minute ventilation.
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General anesthesia increases FRC to levels higher than when the patient is awake.
General anesthesia increases FRC to levels higher than when the patient is awake.
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Ventilation-perfusion (V/Q) mismatch caused by general anesthesia results in airway closure.
Ventilation-perfusion (V/Q) mismatch caused by general anesthesia results in airway closure.
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The most serious adverse respiratory outcomes are unrelated to hypoxemia.
The most serious adverse respiratory outcomes are unrelated to hypoxemia.
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Lung Volumes are not important in assessing post-operative pulmonary risk.
Lung Volumes are not important in assessing post-operative pulmonary risk.
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Pulmonary Function Testing should be primarily used as a risk assessment tool.
Pulmonary Function Testing should be primarily used as a risk assessment tool.
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In obstructive lung disease, FEV1 represents the volume of air that can be forcefully exhaled in 1 second.
In obstructive lung disease, FEV1 represents the volume of air that can be forcefully exhaled in 1 second.
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The FVC (forced vital capacity) in spirometry refers to the volume of air that can be exhaled with maximum effort.
The FVC (forced vital capacity) in spirometry refers to the volume of air that can be exhaled with maximum effort.
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The VC (vital capacity) is reduced in both obstructive and restrictive lung diseases.
The VC (vital capacity) is reduced in both obstructive and restrictive lung diseases.
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RV (residual volume) is the volume left in the lungs after maximum inspiratory effort.
RV (residual volume) is the volume left in the lungs after maximum inspiratory effort.
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The TLC (total lung capacity) represents the gas volume in the lung after a maximum expiration.
The TLC (total lung capacity) represents the gas volume in the lung after a maximum expiration.
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FEF25-75% (forced expiratory flow 25-75%) is a direct measure of airflow obstruction in spirometry.
FEF25-75% (forced expiratory flow 25-75%) is a direct measure of airflow obstruction in spirometry.
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