PhysioEx Exercise 5 Activity 3

10/6/23, 10 : 35 AM PhysioEx Exercise 5 Activity 3 Page 1 of 7 https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex5/act3/ PhysioEx Lab Report Exercise 5: Cardiovascular Dynamics Activity 3: Studying the E ff ect of Blood Vessel Length on Blood Flow Rate Name: Nicole Fohrman Date: 6 October 2023 Session ID: session-b6815453-3f55-a352-7ef0-8e4215d72650 Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. Experiment Results Predict Question Stop & Think Questions When the length of the blood vessel increases, which of the following also increases? You correctly answered: both friction and surface area. 1 Blood vessel length decreases You correctly answered: when we lose weight. 2 Blood fl ow is You correctly answered: directly proportional to vessel radius to the fourth power. 3 Which of the following correctly describes resistance to fl ow? You correctly answered: Resistance to fl ow increases with increased vessel length. 4 Predict Question: What e ff ect do you think increasing the fl ow tube length will have on the fl uid fl ow rate? Your answer: The fl uid fl ow rate will decrease. 1 What is the relationship between fl uid fl ow and fl ow tube length? You correctly answered: They are inversely proportional to each other. 1

10/6/23, 10 : 35 AM PhysioEx Exercise 5 Activity 3 Page 2 of 7 https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex5/act3/ Experiment Data Flow (ml/min) Radius (mm) Viscosity Length (mm) Pressure (mm Hg) 90.8 3.0 3.5 10 100 60.6 3.0 3.5 15 100 45.4 3.0 3.5 20 100 36.3 3.0 3.5 25 100 30.3 3.0 3.5 30 100 26.0 3.0 3.5 35 100 22.7 3.0 3.5 40 100 Which is more likely to occur on a daily basis? You correctly answered: changes in blood vessel diameter. 2