Properly apply the labels to this diagram of the various lung volumes and capacities.
the amount of air inspired or expired during normal resting ventilation.
Tidal Volume (TV)
Inspiratory Reserve Volume (IRV)
Expiratory Reserve Volume (ERV)
Residual Volume (RV)
Inspiratory Capacity (IC)
Functional Residual Capacity (FRC)
Vital Capacity (VC)
Total Lung Capacity (TLC)
the extra amount of air that can be inspired during maximal inhalation.
the extra amount of air that can be expired during maximal exhalation.
Expiratory Reserve Volume (ERV
the amount of air left in the lungs following maximal exhalation.
the total amount of air that can be inspired with maximal inhalation following a tidal exhalation.
the total amount of air that remains in the lungs following a tidal exhalation.
the potential total amount of air that can be in the lungs under volitional control.
the maximum amount of air the lungs can hold at full inspiration.
Which of the following equations for TLC are correct?
TLC = IC + FRC
TLC = VC + RV
TLC = IRV + TV + ERV + RV
TLC = IRV + TV + ERV
TLC = IC +ERV
TLC = IRV + TV
TLC = ERV +RV
TLC = M + TV
Which of the following equations are correct?
VC = IRV + TV + ERV
VC = IC + ERV
IC = IRV + TV
FRC = ERV + RV
VC = IRV + IC + ERV
IC = IRV + ERV
FRC = ERV + IRV
VC = IRV + ERV + RV
What is FVC?
Forced Vital Capacity
the amount of air that can be forcibly exhaled from the lungs after taking the deepest breath possible.
Fixed Vital Capacity
Final Vital Capacity
What is FEV?
the amount of air a person can exhale during a forced breath.
Forced Expiratory Volume
Fixed Expiratory Volume
a marker used to measure lung function.
For a healthy patient, FEV1 / FC is _____.
>70%
>50%
>60%
>80%
98-100%
Mild COPD is characterized by which of the following?
FEV1 / FVC < 70%
FEV1 >= 80%
50% <= FEV1 < 80%
30% <= FEV1 < 50%
FEV1 < 30% or FEV1 < 50% with chronic respiratory failure
Moderate COPD is characterized by which of the following?
FEV1/FVC < 80%
Severe COPD is characterized by which of the following?
Very Severe COPD is characterized by which of the following?
For patients with COPD, RV and FRC become increased, resulting in increased TLC.
For patients with COPD, IRV and ERV become increased, resulting in increased VC.
You are treating a patient with moderate COPD (Stage 2). Using the BODE Index, you note that the patient has a HIGH score. What might this tell you?
The patient has a higher risk of mortality.
The patient has a lower risk of mortality
Nothing conclusive; BODE is contraindicated for patients with Stage 2 COPD.
You are treating a patient with moderate COPD (Stage 2). Using the BODE Index, you note that the patient has a LOW score. What might this tell you?
The patient has a higher risk of mortality
Which of the following is representative of the lung volume/capacity changes common to chronic obstructive lung diseases?
Which of the following is representative of the lung volume/capacity changes common to chronic restrictive lung diseases?
Which of the following are characteristics of restrictive lung disease?
Difficulty expanding the thorax
Decreased lung volumes (i.e. IRV)
Increased lung volumes (i.e. RV and FRC)
Difficulty exhaling air (i.e. decreased FEV1)
Which of the following are characteristics of obstructive lung disease?
Increased lung volumes (ie. RV and FRC)
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