Podcast
Questions and Answers
Match the lung volume or capacity with its corresponding definition:
Match the lung volume or capacity with its corresponding definition:
FVC = The maximum volume of air that can be exhaled forcefully after a full inspiration. MVV = The maximum volume of air that can be inhaled and exhaled repeatedly through the lungs over a period of time (about 12 sec). PEFR = The maximum flowrate achieved during a forced expiratory maneuver. IC = Maximum inspiration followed by a forced and rapid maximum expiration
Match the following lung volumes and capacities with their corresponding calculations:
Match the following lung volumes and capacities with their corresponding calculations:
FRC = ERV + RV TLC = IRV + Vt + ERV + RV IC = IRV + Vt ERV = FRC - RV
Match the component lung volumes to the capacity they form:
Match the component lung volumes to the capacity they form:
IC = VT + IRV FRC = RV + ERV VC = IRV + VT + ERV TLC = IRV + VT + ERV + RV
Which formulas represent the calculation for the following lung volumes or capacities?
Which formulas represent the calculation for the following lung volumes or capacities?
Match the lung volume with the description of what it measures:
Match the lung volume with the description of what it measures:
Match the lung capacity with the volumes that make it up:
Match the lung capacity with the volumes that make it up:
Match these clinical scenarios to the lung volume or capacity that can indicate the condition:
Match these clinical scenarios to the lung volume or capacity that can indicate the condition:
Match the abbreviation to its full lung volume name:
Match the abbreviation to its full lung volume name:
Match the abbreviation to its full lung capacity name:
Match the abbreviation to its full lung capacity name:
Match the pulmonary test to what it measures:
Match the pulmonary test to what it measures:
The maximum volume of air that can be inhaled and exhaled repeatedly through the lungs over a period of time (about 12 sec) is known as ______.
The maximum volume of air that can be inhaled and exhaled repeatedly through the lungs over a period of time (about 12 sec) is known as ______.
______ is defined as the maximum inspiration followed by a forced and rapid maximum expiration.
______ is defined as the maximum inspiration followed by a forced and rapid maximum expiration.
The maximum flowrate achieved during a forced expiratory maneuver is known as ______.
The maximum flowrate achieved during a forced expiratory maneuver is known as ______.
______ is equal to Inspiratory Reserve Volume (IRV) + Tidal Volume (Vt).
______ is equal to Inspiratory Reserve Volume (IRV) + Tidal Volume (Vt).
The sum of Inspiratory Reserve Volume (IRV) + Tidal Volume (Vt) + Expiratory Reserve Volume (ERV) equals ______.
The sum of Inspiratory Reserve Volume (IRV) + Tidal Volume (Vt) + Expiratory Reserve Volume (ERV) equals ______.
The volume of air remaining in the lungs after a normal tidal volume expiration is known as the ______.
The volume of air remaining in the lungs after a normal tidal volume expiration is known as the ______.
______ is the amount of gas that one can inspire above and beyond the tidal volume.
______ is the amount of gas that one can inspire above and beyond the tidal volume.
The formula FRC - RV calculates the ______.
The formula FRC - RV calculates the ______.
ERV + RV is the calculation for ______.
ERV + RV is the calculation for ______.
The amount of air that moves in or out of the lungs with each respiratory cycle is known as ______.
The amount of air that moves in or out of the lungs with each respiratory cycle is known as ______.
Flashcards
MVV (Maximum Voluntary Ventilation)
MVV (Maximum Voluntary Ventilation)
The maximum volume of air that can be inhaled and exhaled repeatedly through the lungs over a period of time.
FVC (Forced Vital Capacity)
FVC (Forced Vital Capacity)
Maximum inspiration followed by a forced and rapid maximum expiration.
PEFR (Peak Expiratory Flow Rate)
PEFR (Peak Expiratory Flow Rate)
The maximum flow rate achieved during a forced expiratory maneuver.
FRC (Functional Residual Capacity)
FRC (Functional Residual Capacity)
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IC (Inspiratory Capacity)
IC (Inspiratory Capacity)
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IRV (Inspiratory Reserve Volume)
IRV (Inspiratory Reserve Volume)
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ERV (Expiratory Reserve Volume)
ERV (Expiratory Reserve Volume)
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Vt (Tidal Volume)
Vt (Tidal Volume)
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TLC (Total Lung Capacity)
TLC (Total Lung Capacity)
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Study Notes
- VC (vital capacity) is the maximum volume of air that can be inhaled and exhaled repeatedly through the lungs over a period of time, about 12 sec
- IC (inspiratory capacity) is maximum inspiration followed by a forced and rapid maximum expiration
- FRC (functional residual capacity) equals ERV + RV
- TLC (total lung capacity) equals IRV + Vt + ERV
- MVV (maximum voluntary ventilation) equals ERV + RV
- PEFR (peak expiratory flow rate) is the maximum flowrate achieved during a forced expiratory maneuver
- Vt (tidal volume) equals IRV + Vt
- FVC (forced vital capacity) is IC - IRV
- IRV (inspiratory reserve volume) equals IC - Vt
- ERV (expiratory reserve volume) equals FRC - RV
Bernoulli's Principle
- Bernoulli's principle was discovered by Daniel Bernoulli in the 18th century.
- For an inviscid flow, an increase in the speed of the fluid occurs simultaneously with a decrease in pressure or a decrease in the fluid's potential energy.
How Wings Generate Lift
- Higher pressure below the wing pushes it upward.
- Air flowing over the wing travels a longer distance creating low pressure.
- Air flowing under the wing travels a shorter distance creating high pressure.
- Wings have an aerofoil shape.
Bernoulli's Equation
- Bernoulli's Equation: $P + \frac{1}{2} \rho v^2 + \rho g h =$ constant
- P = Pressure
- $\rho$ = density
- v = velocity
- h = height
- g = gravity
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