Pathway
This structure is the large elastic artery that leaves the right ventricle and splits into the right and left pulmonary arteries?
What is the pulmonary trunk?
The 3 layers of pulmonary arteries
What are the tunica intima, media, and adventitia?
A blockage in a pulmonary artery by a blood clot
What is a pulmonary embolism?
The vessels that carry deoxygenated blood away from the heart in the pulmonary circuit
What are the pulmonary arteries?
Pulmonary veins are histologically different from systemic veins because of this feature.
What is thinner walls/less muscularity?
A small wedge-shaped opacity on a chest X-ray may indicate this condition.
What is a pulmonary infarction?
How many pulmonary veins typically return oxygenated blood from the lungs to the left atrium of the heart?
What is four (two from each lung)?
This layer of the large pulmonary artery contains surface endothelial cells
What is the tunica intima?
This condition results when pulmonary arterial pressure is abnormally high.
What is pulmonary hypertension?
Name the sequence of vessels from the pulmonary artery to the site of gas exchange.
What are the pulmonary arteries -> arterioles -> capillaries.
This outer layer of the large pulmonary vein contains collagen and elastic fibers, merges with interalveolar connective tissue, and carries vasa vasorum and autonomic nerves.
What is the tunica adventitia of a large pulmonary vein?
Chronic damage to pulmonary capillaries can lead to this gas exchange impairment.
What is hypoxemia?
The pulmonary circulation a high-pressure or low-pressure system
What is a low-pressure, high-flow system
This layer of small pulmonary arteries is largely composed of smooth muscle and collagen
What is the tunica media?
What is pulmonary edema?