20. The lecture uses a mathematical illustration showing that blood flow through a coronary artery varies with the FOURTH POWER of the luminal diameter. If an artery’s lumen is reduced from 4 mm to 2 mm (cut in half), what happens to blood flow?

4. On a microscopic biopsy slide, malignant (cancerous) cells differ from normal cells in which of the following ways?

3. The purpose of the visceral and parietal pericardium layers, with their smooth Saran-wrap-like surfaces, is to:

19. The initial pathological event triggering atherosclerotic plaque formation is:

26. Aspirin reduces cardiovascular disease risk by which specific mechanism?

7. Carcinomas are a category of malignant tumors defined by their tissue of origin. Which of the following cancers would be classified as a carcinoma?

11. An individual is described as ‘homozygous’ for a trait when they:

1. DNA is described as the ‘cell’s master code.’ Which of the following correctly identifies the role of DNA in heredity?

21. A stable atheromatous plaque that reduces coronary artery lumen by 50% may not cause symptoms at rest but becomes clinically significant during exertion because:

21. An individual with achondroplasia is expected to have which of the following physical characteristics?