GMS6402 MODULE 6: Pulmonary Circulation Questions With Correct Answers(Guaranteed Success)
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GMS
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GMS
GMS6402 MODULE 6: Pulmonary Circulation Questions With Correct Answers(Guaranteed Success)
How much time do red blood cells spend in the pulmonary capillary bed?
How many alveoli do they traverse? - correct answer....75 seconds
3
What percent of the cardiac output does the pulmonary cir...
GMS6402 MODULE 6: Pulmonary
Circulation Questions With Correct
Answers(Guaranteed Success)
How much time do red blood cells spend in the pulmonary capillary bed?
How many alveoli do they traverse? - correct answer...✔✔.75 seconds
3
What percent of the cardiac output does the pulmonary circulation receive? - correct
answer...✔✔100%
The pulmonary circulation is a ____ pressure system; ____ mm Hg in ________
_______ the vs. ~90 mm Hg in the ________. - correct answer...✔✔low - ~14
pulmonary artery
aorta
Is pulmonary circulation high or low compliant? - correct answer...✔✔HIGH
it can tolerate large increases in blood volume (V) with little to no change in blood
pressure (P)
What is it called when blood filled capillaries are already open, but they dilate even
more in order to accommodate increased blood volume? - correct answer...✔✔
Distension
What is it called when capillaries that previously has little to no blood flow are utilized? -
correct answer...✔✔Recruitment
There is slightly more ventilation at the _____ than the ______ of the lung. - correct
answer...✔✔base
apex
Perfusion is significantly impacted by_______? - correct answer...✔✔gravity
Because of external factors, there is significantly more perfusion at the _____ of the
lung than the ______ - correct answer...✔✔base
apex
AGRADESOLUTIONS
, One extreme of ventilation is _______. It occurs when the lungs are not ventilated but
they are perfused with blood. - correct answer...✔✔Shunt
One type of ventilation is _______. This happens when the V/Q ratio is around .8. It is
higher in the apex and lower in the base. - correct answer...✔✔Normal ratio
One extreme of ventilation is _______. This occurs when the lungs are still being
ventilated but there is no blood perfusion. - correct answer...✔✔Pulmonary Embolism
List the 5 causes of clinical hypoxemia: - correct answer...✔✔1. Hypoventilation
2. Altitude
3. Diffusion Limitation
4. Shunt
5. V/Q mis‐match
V/Q mis‐match is the most common
Name a Low Flow Disorder (1) - correct answer...✔✔Pulmonary Embolism‐ A blood
clot (thrombosis) forms in the deep veins of the leg and then detaches
Name a High Flow Disorder (3) - correct answer...✔✔Left Heart Failure
Pulmonary Hypertension
Postprandial Dyspnea
What is the premise of pulmonary edema? - correct answer...✔✔It increases the path
of diffusion and washes away surfactant. = the work of breathing increases
Loss of surfactant also causes alveoli to collapse.
Low perfusion pressure in the pulmonary circulation = - correct answer...✔✔a limit in
the amount of liquid that enters the interstitial space.
What system is used to reabsorb fluid from the interstitium - correct answer...✔✔the
lymphatic system
___________ is the major pathway
____________ is the minor pathway - correct answer...✔✔Re-absorption
Lymphatics
What is the major cause of pulmonary edema? - correct answer...✔✔increased
hydrostatic pressure in the vessels which pushes fluid out of the capillaries.
What characterizes Early Stage Edema/Interstitial Edema? - correct answer...✔✔
Compromised gas exchange in the lung caused by increases in the diffusion distance
for oxygen and carbon dioxide between the alveoli and the plasma
AGRADESOLUTIONS
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