15 Questions
What is the measure of compliance of the pulmonary arterial tree in ml/mmHG?
9
Which of the following pressures in the pulmonary artery is correct?
Diastolic pulmonary arterial pressure = 8 mmHG
How can left atrial pressure be measured?
Pulmonary wedge pressure
Which of the following statements about pulmonary blood flow zones is FALSE?
Under normal conditions, the lungs have only zone 2 & 3 blood flow
Which of the following pressures will produce forces tending to cause movement of fluid outward from the capillaries into the pulmonary interstitium EXCEPT:
Capillary
Damage to which heart valve will produce pulmonary edema?
Mitral
Why is the pleural space also called potential space?
It is a narrow space and could be considered not a physical space
Which statement about maximum expiratory flow is FALSE?
The lung outside force it can increase when the lungs are nearly empty
Which finding will be seen in a patient suffering from tuberculosis and having occasional shortness of breath?
Increased residual volume
Which sign or symptom will NOT be seen in a former smoker experiencing on and off cough with shortness of breath?
Normal inspiration and expiratory phases of respiration
What is the most common cause of mortality in chronic emphysema?
Decreased oxygenation & CO2 retention
Which effect of collapsed lungs is FALSE?
Vasodilation
In asthma, which immunoglobulin is involved?
IgE
Hypoxia secondary to inadequate O2 transport to the tissues by the blood is exemplified by:
Decreased hemoglobin
If there is CO2 retention, lethargy will be produced if the CO2 level is mmHg:
90
Test your knowledge of the compliance and pressures in the pulmonary arterial tree. Questions cover topics such as compliance measurement, systolic and diastolic pulmonary arterial pressure, and right ventricular pressure during systole.
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