Steve is a 47 year old male who has a lot of plaque buildup in his arteries due to lack of exercise and a diet high in fats. He has recently been complaining of vision problems, chest pain, and severe headaches. His doctor informs him in his latest visit that his blood pressure is too high for his current age. What is most likely happening to the flow of blood in Steve's cardiovascular system?A. Blood flow is continuing like normal and is not affected by his high blood pressure.B. Blood flow has stopped completely which is causing his severe headaches due to lack of blood reaching the brain.C. Blood flow has increased in order to makeup for his lack of exerciseD. Blood flow is decreased below normal due to the build of of plaque in the arteries causing an increase in blood pressure.

When fats, cholesterol,calcium , water builds up on the endothelial lining of the Coronary arteries,reducing the diameter,and therefore impeding the flow of blood,these build up is called Plaque.The diseases condition that arise from this called atherosclerosis.

With continue build up the plaque changes in the chemical components.becomes hardened, further reducing the diameter,blood volume available and therefore oxygen supply to the targeted tissues( cardiac muscles) of the heart.This leads to Ischemic heart diseases e.g chest pain-Angina. With these strokes and other complication may follows due to cut off in oxygen and nutrients rich blood to the tissues of the brains for the heart.

The impedance to the blood flow,forced load on the heart to pump blood and therefore High blood pressure.This is the problem with Steve CVS.