INTRO - Cardiac system

Question 1

Arteriosclerosis

Answer 1

• Hardening of arteries
• Thickening and loss of elasticity in arterial walls
• Most common acquired disease of developing countries

Question 2

Atherosclerosis

Answer 2

• Type of arteriosclerosis
• Build up of fat (mostly cholesterol) in arterial walls
• Can lead to thrombosis
• Ischemia and infraction can result

Question 3

Ischemia

Answer 3

Reduction of the blood supply to an organ or region

Question 4

Infraction

Answer 4

Local death (necrosis) of an area of tissue or organ resulting in reduced blood supply

Question 5

Varicose veins

Answer 5

• Weakened veins twist and bulge under pressure of supporting a column of blood against gravity
• Cusps of veins worn out and don’t meet (incompetent valves), increased size of “blood column” weighing on veins
• Incompetent facia doesn’t contain expansion of contracting muscles and musculofascial pump in ineffective