Cardiology Quiz #9: Vascular Flow and Resistance

1. A 50-year-old male with a history of hypertension is prescribed a medication that acts by dilating arterioles. Which of the following best describes the immediate effect of arteriolar dilation on systemic vascular resistance (SVR) and blood pressure? 

Question 1 of 5

2. During a physiology lecture, a professor explains the concept of blood flow through capillaries. Which of the following factors primarily determines the resistance to blood flow in capillaries? 

Question 2 of 5

3. A researcher is studying the effects of various factors on blood flow and resistance. She observes that when blood viscosity increases, the resistance to blood flow also increases. This observation is most directly related to which of the following components of the Hagen-Poiseuille equation? 

Question 3 of 5

4. A patient presents with atherosclerosis, leading to narrowed arteries. This arterial narrowing most directly affects blood flow by altering which of the following factors? 

Question 4 of 5

5. Which of the following changes would most likely result in an increased velocity of blood flow? 

Question 5 of 5


 

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