Which term refers to an inflammation of the blood vessels?
lymphangitis
endocarditis
pericarditis
vasculitis

Vasculitis

Explanation:

Vasculitis is known as the inflammation of the blood vessels. It can cause changes in the blood vessels wall like thickening, narrowing etc. These changes in blood vessels can stop blood flow, resulting in organ of the body & tissue damage. Vasculitis can affect anyone, it can affect one organ or several, the condition can be acute or chronic, its depends on the type you have. It is also known as arteritis.

Symptoms : Symptoms of Vasculitis includes : Fever, Night sweat, Headache, Weight loss, Nerve problems (such as weakness) etc.

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.