4 Predict Question 1: What e ff ect do you think increasing the pressure will have on the ﬂ uid ﬂ ow rate? Your answer: The ﬂ uid ﬂ ow rate will increase. 1 Predict Question 2: Do you think a graph plotted with pressure on the X-axis and ﬂ ow rate on the Y-axis will be linear (a straight line)? Your answer: yes. 2 This experiment uses pressure changes to model 1
22/01/2020, 9 : 32 PM PhysioEx Exercise 5 Activity 4 Page 2 of 3 Experiment Data Flow (ml/min) Radius (mm) Viscosity Length (mm) Pressure (mm Hg) 35.0 5.0 3.5 50 25 70.1 5.0 3.5 50 50 105.1 5.0 3.5 50 75 140.2 5.0 3.5 50 100 175.2 5.0 3.5 50 125 210.3 5.0 3.5 50 150 245.3 5.0 3.5 50 175 280.4 5.0 3.5 50 200 Post-lab Quiz Results You scored 75% by answering 3 out of 4 questions correctly. You correctly answered: changes in the force of contraction of the heart. The e ff ect of increasing pressure was to You correctly answered: increase ﬂ ow rate. 1 Blood pressure is measured in You correctly answered: mm Hg. 2
22/01/2020, 9 : 32 PM PhysioEx Exercise 5 Activity 4 Page 3 of 3 Review Sheet Results Which of the following variables has the greatest e ff ect on blood ﬂ ow? Your answer: pressure di ff erences. Correct answer: vessel radius. 3 Blood ﬂ ow is measured in You correctly answered: ml/min. 4 Explain the e ff ect that pressure changes had on ﬂ ow rate. How well did the results compare with your prediction? You did not answer this question. 1 How does the plot di ff er from the plots for tube radius, viscosity, and tube length? How well did the results compare with your prediction? You did not answer this question. 2 Explain why pressure changes are not the best way to control blood ﬂ ow. You did not answer this question. 3 Use your data to calculate the increase in ﬂ ow rate in ml/min/mm Hg. You did not answer this question. 4
You've reached the end of your free preview.
Want to read all 3 pages?
- Fall '19
- Test, Blood vessel, session ID