Heart Study Guide
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Avg score: 71% • Most missed: “If The Contractility Increases, Then The Stroke Volume”
Heart Study Guide
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25 Questions

1. After An Action Potential Travels Through Both Atria, It Is Received By The

2. The Outer, Loose Fitting Sac Around The Heart That Attaches To The Major Vessels At The Base Of The Heart Is The _______ Pericardium. It Is Lined By The Serous Membrane Called The ____________ Pericardium.

3. Blood Flows From _______ Pressure To __________ Pressure.

4. The Intrinsic Heart Rate Can Be Modified By The Nervous System. The Parasympathetic Division _____________ The Rate, While The Sympathetic Division ___________ The Rate.

5. What Is The Pressure Necessary To Force Open The Semilunar Valves. It Would Be Increased By Any Factor That Restricts Blood Flow In The Arteries As It Leaves The Heart.

6. If The Contractility Increases, Then The Stroke Volume

7. An ECQ Can Be Diagnostic As It Determines If The______________ Pathway Is Normal.

8. Both ______________ Coming Into The Cells Cause Depolarization Of The SA Node.

9. Hormones Can Also Respond To Regulate The Heart Rate. The Adrenal Medulla Releases ______________ During Times Of Stress To Increase The Heart Rate.

10. Irregular Cardiac Rhythm Is Called An

11. Regulation Of The Heart Rate Uses The ______. Sensory Receptors Send Information To The Medulla Oblongata Concerning Position Of The Body, Chemistry Of The Blood And Blood Pressure. The ______responds If Necessary, To Change The Heart Rate. If The Sympathetic Division Responds, The Heart Rate Goes ____ And If The Parasympathetic Division Responds, The Heart Rate Goes .

12. The ___________________ Valve Is Between The Left Atrium And Left Ventricle.

13. On An ECQ, The Depolarization Of The Ventricles Is Represented By The

14. On An ECQ, The P Wave Shows That The SA Node Has Fired, And The Atria Are

15. What Refers To Listening To The Sounds Produced By The Internal Organs Using A Stethoscope.

16. What Is The Forcefulness Of A Contraction For A Given Preload.

17. The ______________ Valve Is Between The Right Atrium And Right Ventricle.

18. Some Cardiac Cells Have The Ability To Spontaneously Generate Action Potentials. This Is Called

19. The Stroke Volume Is The Amount Of Blood Ejected By Each Ventricle Per Beat. It Depends On

20. The SA Node Fires Every__________, Giving A Resting Heart Rate Of About

21. If The Afterload Increases, Then The Stroke Volume Decreases.

22. Ventricular Filling Is Due To The Pressure Being Higher In The ___________than In The

23. After Passing Through The Av Node, The Action Potential Travels Through The Av Bundle. This Isolates The Action Potential As It Is The Only Way The Signal Can Get Passed From The Atria To The .

24. A Resting Heart Rate Is Typically.

25. The Simplest Way To Detect A Heart Rate Is By Taking A

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