Answer:
Atherosclerosis would be the occlusion.
What anastamosis is maintaining blood supply to the brain and by what routes?
●Collateral Circulation
●Collateral Willis
Explanation:
Atherosclerosisis affects arterial blood vessels by causing a thickening of the arteries by multiple plaques within the arteries.
Collateral Circulation best shows why there was adequate and necessary blood flow to the brain.
In Collateral Circulation closed smaller arteries links and connect to two bigger arteries or certain points of the same artery acting as another way of blood supply.
Collateral vessels are often closed but in people with coronary heart disease or stroke, it will expand and increase.
Note: there is something called collateral Willis referring to the choice of it remain close in some people and being open in some people.
The movement of plates allows these characteristics to happen. They occur in patterns because the three forms of plate boundaries are established at the site of certain features. We were plotting the features of the Planet that we already knew.
Answer: Legionnaires' disease
Explanation:
Legionnaires' disease is a kind of pneumonia that is caused by the bacteria.The bacterial infection spreads by breathing the aerosol or mist from the water. The bacteria does not spread from person to person thus the disease is non-contagious.
The bacteria of the disease lives in the aquatic environment and may contaminate the water body. The symptoms of the disease includes the chills, coughs, high fever, headaches and muscle aches. X-ray and lab test can be done to diagnose the disease.