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GMS 6402 Pulmonary Physiology Questions and answers 2024
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GMS 6402 Pulmonary Physiology Questions and answers 2024
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GMS 6402 PulmonaryPhysiology Questions and
answers 2024
150 - answer Spans from Z0 to Z16. Volume of air held is _____ mls.
No gas exchange takes place.
2500‐3000 - answer During normal breathing, there is about ____ to
____ mls of air in the alveolar airways.
Terminal Bronchioles (Z16) - answer _____‐ No cartilage and
significantly less smooth muscle. Remember, no gas exchange here.
1. Alveolar fluid 2. Alveolar epithelium 3. Epithelial basement
membrane 4. Interstitial space 5 Capillary basement membrane 6.
Capillary endothelial cell membrane 7. Blood 8. Red cell membrane -
answer The path of oxygen diffusion‐
Main muscle of inspiration is the diaphragm.
Secondary inspiratory muscles are the external intercostals and
sternocleidomastoids. We use these during exercise.
Sternocleidomastoid elevates sternum.
Scalenus elevates and fix upper ribs.
Parasternal intercartilaginous muscles elevates ribs.
External intercostals elevates ribs.
Diaphragm: domes descend, increasing longitudinal dimension of
chest and elevating lower ribs. - answer What are the muscles
involved with inspiration?
,TIDAL VOLUME expiration is passive (ie, we use the recoil of the
lung to push air out).
Secondary expiratory muscles include the internal intercostals and
the abdominal muscle. When they contract, they work with the
recoil to forcefully push air out of the lungs.
Internal intercostals except parasternal intercartilaginous muscles
(depresses ribs).
Abdominal muscles depresses lower ribs, compresses abdominal
contents.
Rectus abdominis.
External oblique..
Internal oblique.
Transversus abdominis. - answer What are the muscles involved
with expiration?
Down
Up - answer When the diaphragm contracts during inspiration, it
moves ____.When it relaxes during expiration, it moves____.
Volume (VT)
0.5 - answer ____ is the amount of air inhaled/exhaled with a normal
breath from the resting level (~____ L)
Residual volume (RV)
1.2 - answer _____ is the amount of air that remains after maximal
expiration (~____ L).
Expiratory Reserve Volume (ERV)
, 2 - answer ____ is the volume of air that can be expelled after
normal tidal volume expiration (~____ L).
Forced Vital Capacity (FVC)
5 - answer _____ is the amount of air which can be forcibly exhaled
from the lungs after taking the deepest breath possible (~____ L)
Vital Capacity (VC)
5
ERV+ VT + IRV - answer ______ is the volume of air that is exhaled
after maximal inspiration (~___ L).Therefore, it's ___ + ___ + ___
Total lung capacity (TLC)
6
RV + VC - answer ____ is the maximum volume to which the lungs
can be expanded(~___ L). Therefore, it's __ + ___
Functional Residual Capacity (FRC)
2.5
RV + ERV - answer ____ is the amount of air left in the lungs are a
tidal volume breath (~___ L). Therefore, it's ___ + ___.
Inspiratory Reserve Volume (IRV)
2.5 - answer is the volume of air that can be inhaled after a normal
inspiration (~___ L)
Inspiratory capacity (IC)
3 - answer ____ is the amount of air that can be drawn into the
lungs after normal expiration (~____ L).
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