30 Questions
Which of the following is a consequence of atheroma?
All of the above
What is the main lab sample used for testing myocardial infarction (MI)?
Troponin I (cTnI)
Which enzyme is specific for cardiac muscle damage?
Troponin I (cTnI)
Which troponin subunit binds calcium and regulates muscle contraction?
Troponin C
What is the gold standard for myocardial infarction (MI) testing?
Troponins
What is the treatment for MI involving the use of thrombolytic agents?
Tissue plasminogen activator
What is the procedure called where a catheter is inflated in an obstructed vessel to remove obstruction?
Coronary angioplasty
What is the term for the thickening and hardening of the artery wall?
Arteriosclerosis
What is the term for the lipid-rich accumulation in arteries?
Atheroma
What is the term for a graft of artery or vein to a coronary artery to enable blood flow around an obstruction?
Coronary bypass
Which of the following is the commonest cause of mortality and morbidity in adults?
Myocardial infarction (MI)
What does the term 'infarction' mean?
Death of tissue following lack of blood supply
Which artery supplies the left ventricle and left atrium?
Circumflex branch
Where does the blood drain into after entering the capillaries in the coronary circulation?
Coronary sinus
What is the cause of myocardial infarction (MI)?
Atheromatous plaque rupture with overlying thrombosis
What is the initial damage that leads to the development of atheroma in coronary arteries?
Endothelium in arteries being damaged
What are the foam cells that develop underneath endothelial cells in the intima called?
Fatty streak
What do macrophages release into the intima during the development of atheroma in coronary arteries?
Lipid and chemical signals
What is the term for the condition of suffering from a disease or medical condition?
Morbidity
What is the structure that the blood drains into after entering the capillaries in the coronary circulation?
Coronary veins
True or false: Myocardial infarction is the commonest cause of mortality and morbidity in adults.
True
True or false: Atheroma is the term for the lipid-rich accumulation in arteries.
True
True or false: The initial damage to endothelium in arteries leads to the development of atheroma in coronary arteries.
True
True or false: Macrophages release lipid into the intima during the development of atheroma in coronary arteries.
True
True or false: The left coronary artery supplies the left ventricle and left atrium.
True
Lipid plaques form due to the release of collagen by cells in the intima.
False
Thrombus formation on the plaque can lead to bleeding into the plaque.
True
Arteriosclerosis is the term used to describe the thickening and hardening of high pressure artery walls caused by atheroma.
False
Troponin I is a specific biomarker for cardiac muscle damage.
True
Coronary angioplasty is a procedure where a graft of artery or vein is used to enable blood flow around an obstruction in a coronary artery.
False
Test your knowledge on myocardial infarction (MI), also known as coronary thrombosis. Explore the heart's blood supply and the common causes of morbidity and mortality in adults.
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