20 Questions
What is the main problem associated with Coronary Artery Disease?
Damage to heart muscle due to insufficient oxygen
Which condition has atheromas in the walls of large arteries?
Atherosclerosis
What leads to diffuse ischemia and necrosis of tissues like kidney, brain, or heart?
Loss of elasticity in small arteries
Which type of artery change is described as involving thickening and hardening of walls, leading to narrowing of the lumen?
Arteriosclerosis
Where do atheromas typically form in the body due to turbulent blood flow at bifurcation points?
Coronary arteries
Which type of cholesterol is considered 'good' and 'bad'?
HDL and LDL
What is a major risk factor for atherosclerosis mentioned in the text?
Genetic factors like hypertriglyceridemia
What is the typical treatment for angina pectoris as per the text?
Vasodilator administration
What is the most widely used tool in diagnosing myocardial infarction according to the text?
ECG changes
Which enzyme released from necrotic tissue is considered most specific for myocardial tissue damage?
CK-MB
Which type of cardiac arrhythmia is characterized by a rapid and irregular heart rate of over 350 BPM?
Atrial fibrillation
What is the mechanism behind the reduced cardiac output in ventricular tachycardia?
Reduced ventricular filling time and decreased force of contraction
Which type of heart block is characterized by a complete lack of transmission of impulses from the atria to the ventricles?
Third-degree (total) heart block
What is the primary purpose of using defibrillators and cardioversion devices in the treatment of cardiac dysrhythmias?
To shock the heart and restore its natural sinus rhythm
What is the primary cause of cardiac arrest or asystole (standstill) according to the passage?
All of the above
Which of the following is the primary cause of sudden death in patients with myocardial infarction (MI)?
Ventricular arrhythmias, particularly ventricular fibrillation
What is the primary mechanism by which cocaine use can contribute to dysrhythmias in patients with myocardial infarction?
Interference with conduction pathways and vasospasm leading to occlusion
Which of the following statements about premature atrial contractions (PACs) is correct?
They are extra beats that occur due to delayed impulses re-exciting the same area
What is the primary factor contributing to the increased prevalence of paroxysmal atrial fibrillation?
Increased prevalence of coronary heart disease and aging of the population
Which of the following statements about sinus node abnormalities is correct?
Sick sinus syndrome is characterized by alternating bradycardia and tachycardia, and may require a pacemaker
Test your knowledge on Coronary Artery Disease and Arteriosclerosis, including angina pectoris, myocardial infarction, arteriosclerosis, and atherosclerosis. Learn about the leading cause of death in the USA and the arterial changes associated with these conditions.
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