PATHOPHYSIOLOGY MODULE 5
EXAM QUESTIONS & CORRECT
SOLUTIONS
Both carbon dioxide and oxygen are able to bind with hemoglobin. - CORRECT
ANSWER True
Nearly all pulmonary emboli are thrombi arising from deep vein thrombosis in the upper
and lower extremities. - CORRECT ANSWER True
The breathing rate is determined by input from ______ that monitor oxygen, carbon
dioxide, and pH levels in the blood. - CORRECT ANSWER chemoreceptors
A reduction in blood O2 levels is known as ______. - CORRECT ANSWER hypoxemia
During expiration, air moves out of the lungs as the chest muscles relax and the chest
cavity becomes smaller. - CORRECT ANSWER True
Asthma is considered non-reversible airway bronchoconstriction. - CORRECT
ANSWER false
The diaphragm is the primary muscle of inspiration. - CORRECT ANSWER true
The FEV1/ FVC ratio is decreased in restrictive lung disorders. - CORRECT ANSWER
false
_______ lowers the surface tension and makes lung inflation easier. - CORRECT
ANSWER pulmonary surfactant
_____ is the flow of gases into and out of the alveoli of the lungs. - CORRECT
ANSWER ventilation
Asthma is characterized by each of the following except:
Loss of elastic lung fibers
Airway obstruction
Bronchial hyperresponsiveness
Airway inflammation - CORRECT ANSWER Loss of elastic lung fibers
Each of the following are TRUE of emphysema except:
Alveoli have decreased elastic recoil
Hyperinflation and air trapping
EXAM QUESTIONS & CORRECT
SOLUTIONS
Both carbon dioxide and oxygen are able to bind with hemoglobin. - CORRECT
ANSWER True
Nearly all pulmonary emboli are thrombi arising from deep vein thrombosis in the upper
and lower extremities. - CORRECT ANSWER True
The breathing rate is determined by input from ______ that monitor oxygen, carbon
dioxide, and pH levels in the blood. - CORRECT ANSWER chemoreceptors
A reduction in blood O2 levels is known as ______. - CORRECT ANSWER hypoxemia
During expiration, air moves out of the lungs as the chest muscles relax and the chest
cavity becomes smaller. - CORRECT ANSWER True
Asthma is considered non-reversible airway bronchoconstriction. - CORRECT
ANSWER false
The diaphragm is the primary muscle of inspiration. - CORRECT ANSWER true
The FEV1/ FVC ratio is decreased in restrictive lung disorders. - CORRECT ANSWER
false
_______ lowers the surface tension and makes lung inflation easier. - CORRECT
ANSWER pulmonary surfactant
_____ is the flow of gases into and out of the alveoli of the lungs. - CORRECT
ANSWER ventilation
Asthma is characterized by each of the following except:
Loss of elastic lung fibers
Airway obstruction
Bronchial hyperresponsiveness
Airway inflammation - CORRECT ANSWER Loss of elastic lung fibers
Each of the following are TRUE of emphysema except:
Alveoli have decreased elastic recoil
Hyperinflation and air trapping
