3380551
Frage 1
Frage
Lung Volumes
Antworten
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Tidal volume is the amount of air inhaled with a normal breath from the resting level - about 500 ml
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IRV - The max amount of additional air that can be inhaled beyond the tidal volume
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ERV - the max amount of air that can be exhaled following a normal exhalation from the resting level
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Residual volume - the amount of air that remains after a normal expiration
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1,2,3 are correct
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all are correct
Frage 2
Frage
Lung Capacities which of the following is not true
Antworten
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TLC and FRC are 2 capacities with RV as part of the capacities
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VC and IC are 2 capacities without RV
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TLC = VC + RV
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FRC = IRV + RV
Frage 3
Frage
Elastic recoil of chest wall and lungs determines FRC
Antworten
- True
- False
Frage 4
Frage
Regarding FRC all are true except
Antworten
-
Is what remains after a normal breath
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FRC can be measured by spirometry
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FRC increases with age
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FRC decreases with lying down
Frage 5
Frage
With age all of the following are true except?
Antworten
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Increased RV
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Increased FRC
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Increased VC
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None of the above
Frage 6
Frage
Lying down decreases FRC, VC is unchanged because of increased IRV
Antworten
- True
- False
Frage 7
Frage
In pregnancy all of the following changes are true except?
Antworten
-
Decreased ERV
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Decreased RV
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decreased FRC
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decreased Tidal volume
Frage 8
Frage
Which of the following is the most reliable spirometry measurement
Antworten
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FVC
-
FEV1
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FEF 25-75
-
all of the above
Frage 9
Frage
Highest airway resistance is seen in the mid sized bronchi
Antworten
- True
- False
Frage 10
Frage
Men have greater lung capacity and volume than women, but both sexes have equal tidal volumes
Antworten
- True
- False
Frage 11
Frage
all of the following are correctly matched except
Antworten
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normal spirogram
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COPD
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Restrictive lung disease
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Tracheal stenosis (fixed large airway)
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Variable intrathoracic obstruction
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Variable extrathoracic obstruction
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None of the above
Frage 12
Frage
In Obstructive lung disease all are true except?
Antworten
-
FEV1 is decreased
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FVC is decreased
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FEV1/FVC is increased
Frage 13
Frage
In restrictive lung disease all are true except
Antworten
-
FEV1 is decreased
-
FVC is increased
-
FEV1/FVC is increased
Frage 14
Frage
Methacholine challenge test differentiates between bronchial asthma and the other obstructive lung diseases like chronic bronchitis and emphysema
Antworten
- True
- False
Frage 15
Frage
All of the following are restrictive lung diseases except?
Antworten
-
Intrinsic lung diseases like interstitial fibrosis of lung or pneumonia
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Extrinsic lung diseases that mechanically compress the lungs and limit their expansion
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Neuromuscular diseases of the respiratory muscles
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none of the above
Frage 16
Frage
TLC
Antworten
-
Can be measured by Gas dilution method
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Or by body plethysmography
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Gas dilution method under estimates trapped gas
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if TLC pleth/TLC gas dilution is > 1,2 trapped gas is present
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all of the above are correct
Frage 17
Frage
Diffusing capacity (Dl CO)
Antworten
-
Decreased in emphysema (obstructive lung disease)
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decreased in interstitial lung disease (restrictive lung disease)
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Increased in asthma (obstructive lung disease) - due to increased blood flow to lung
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used to distinguish between intrinsic lung disease from extrinsic lung disease
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all of the above are correct
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