CHAPTER QUESTIONSa. changes in electrical potential during the cardiac cycleb. Ca2+ concentration of the ventricles in diastole.c. the force of contraction of the atria during systole.d. the volume of blood being pumped during the contraction cycle1. An ECG measures2. Which of the following is the correct sequence of events in the circulation ofblood?a. Heart → arteries → arterioles → capillaries → venules → lymph→ heartb. Heart → arteries arterioles → capillaries → veins → venules → heartC. Heart → arteries arterioles → capillaries → venules → veins → heartd. Heart → arterioles→ arteries → capillaries → venules → veins → heart3. Which of the following statements is not true?a. All arteries carry oxygenated blood.b. Both arteries and veins have a layer of smooth muscle.c. Both arteries and veins branch out into capillary beds.d. Both arteries and veins consists three layers of tissues.4. Which pairing of structure and function is incorrect?a. Erythrocytes/oxygen transportb. Platelets/blood clottingc. Plasma/waste transportd. All of the choices are correct.5. Blood clots are made ofa. fibrin.b. fibrinogen.C. prothrombin.d. All of the choices are correct.6. Systole is vitally important to heart function and begins in the heart with thea. activation of the AV node.b. activation of the SA node.C. opening of the voltage-gated potassium gates.d. opening of the semilunar valves.82

As per the guidelines, we are entitled to do only one question at a time. So, I am providing the…

CHAI Q1: CHOOSE THE CORRECT AN 1. An ECG measures a. changes in electrical potential during the cardiac cycle b. Ca2+ concentration of the ventricles in diastole. C. the force of contraction of the atria during systole. d. the volume of blood being pumped during the contraction cycle

CHAI Q1: CHOOSE THE CORRECT AN 1. An ECG measures a. changes in electrical potential during the cardiac cycle b. Ca2+ concentration of the ventricles in diastole. C. the force of contraction of the atria during systole. d. the volume of blood being pumped during the contraction cycle

Anatomy & Physiology

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter20: The Cardiovascular System: Blood Vessels And Circulation

Section: Chapter Questions

Problem 10RQ: Which of the following statements is true? The longer the vessel, the lower the resistance and the...

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