Via what pathway does much of the bronchial venous drainage occur?
a. Bronchial veins emptying into the inferior vena cava
b. Bronchopulmonary veins emptying into pulmonary veins
c. Direct connections between bronchial and pulmonary arteries
d. Thebesian venous drainage into the heart chambers
ANS: B
Bronchial venous blood drains through the azygos, hemiazygos, and intercostal veins to the right atrium, and some drains through the pulmonary capillaries to the pulmonary veins and to the left atrium.
You might also like to view...
The main area that controls all other nervous system function is the:
A) Somatic nervous system. B) Sympathetic nervous system. C) Central nervous system. D) Parasympathetic nervous system.
__________ are longer-term exposures, typically a month or more, of a low dose with decreased intensity
A) Toxicants B) Acute exposures C) Toxidromes D) Chronic exposures