18. Cardiovascular System: the Heart

Major branches and distribution of coronary arteries

Heart Anatomy: Pathway of Blood

Cardiology - Coronary Blood Supply

 The right atrium receives blood both from the superior and inferior venae cavae. 

 The inferior vena cava brings blood from the lower regions of the body and empties into the __________. 

 The left ventricle pumps blood to most body tissues and is considered the systemic circuit pump. 

 What part of the heart is considered the systemic circuit pump? 

 The left side of the heart pumps blood to the body tissues and is known as the systemic circuit pump. Freshly oxygenated blood from the lungs is returned to the left atrium. From the left atrium, the blood flows into the left ventricle. The left ventricle then pumps the blood to the aorta, which distributes it to the body tissues (systemic circuit).  

 Freshly oxygenated blood is delivered to the __________, and then it passes into the __________ to be pumped to the body tissues (systemic circuit).  

 Cardiac tamponade often muffles cardiac sound so that no heart sounds can be heard. An incompetent cardiac valve produces a swishing sound on auscultation. 

 Angina pectoris is not associated with specific heart sounds or murmurs. An incompetent cardiac valve produces a swishing sound on auscultation. 

 Many types of altered heart sounds can be associated with a myocardial infarction, but none are specific. An incompetent cardiac valve produces a swishing sound on auscultation. 

 A doctor puts his stethoscope on a patient's chest over the location of the heart and hears an abnormal swishing sound. Which of the following conditions is the best diagnosis for the patient's condition? 

 right ventricle and flows directly to the lungs 

 right atrium and flows directly to the lungs 

 The movement of oxygen-poor blood from the right ventricle to the lungs is part of the pulmonary circuit. 

 left ventricle and flows directly to the lungs 

 right ventricle and flows directly to the aorta 

 right atrium and flows directly to the left ventricle 

 During pulmonary circulation, blood leaves the __________. 

Coronary Arteries | Cardiology

Blood Flow Through the Heart

Pathway of Blood Through the Heart

 The arterial supply of the coronary circulation is provided by the right and left coronary arteries. 

 The vessels that carry oxygen to the myocardium are called __________. 

Coronary circulation of the heart

 right ventricle, left ventricle, left atrium, lungs, right atrium 

 As oxygen-poor blood returns to the heart from the systemic circuit, it will pass through the right atrium, right ventricle, lungs, left atrium, and left ventricle. 

 lungs, right ventricle, left ventricle, right atrium, left atrium 

 left atrium, left ventricle, right ventricle, right atrium, lungs 

 left ventricle, left atrium, lungs, right ventricle, right atrium 

 right atrium, right ventricle, lungs, left atrium, left ventricle 

 From the perspective of blood returning from the systemic circuit, identify the correct sequence of blood flow through the chambers of the heart. 

Using Blood Flow to Identify Major Structures of the Heart 

 The pulmonary veins deliver oxygen-rich blood to the left atrium.  

 Into which chamber of the heart do the pulmonary veins deliver blood? 

 The movement of oxygenated blood from the left ventricle to the aorta constitutes part of the systemic circuit. 

 left ventricle and flows directly to the aorta 

 lungs and flows directly to the left atrium 

 During systemic circulation, blood leaves the __________. 

 The two coronary arteries that supply the heart arise from the base of the aorta. 

 The coronary arteries arise from the __________. 

Blood Flow through the Heart 

Learn the toughest concepts covered in Anatomy & Physiology 1&2 with step-by-step video tutorials and practice problems by world-class tutors



Anatomy & Physiology

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Armando Hasudungan

RegisteredNurseRN

Dr Matt & Dr Mike

The Noted Anatomist

Neural Academy

1. Introduction to A&P

2. Chemistry

3. Cells

4. Tissues

5. Integumentary System

6. Bones + Skeletal Tissues

7. Skeletal System

8. Joints

9. Muscles and Muscle Tissue

10. Muscular System

11. Nervous Tissue

12. Central Nervous System

13. Peripheral Nervous System

14. Autonomic Nervous System

15. Special Senses

16. Endocrine System

17. Blood

19. Cardiovascular System: Blood Vessels

20. Lymphatic System

21. Immune System

22. Respiratory System

23. Digestive System

24. Nutrition, Metabolism, Energy Balance

25. Urinary System

26. Fluid and Electrolyte Balance, Acid Base Balance

27. Reproductive System

28. Pregnancy and Human Development

29. Heredity

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Stroke volume and heart rate

Heart Physiology: Heart Regulation

Timing and events of the cardiac cycle

Normal heart sounds and heart murmurs

Heart Physiology: Mechanical Events

Excitation: Contraction Coupling

Action potentials in cardiac pacemaker and contractile cells

Conduction system of the heart and the conduction pathway

ECG tracing

Heart Physiology: Electrical Events

Blood pathway through the heart

Orientation of the heart

Coverings of the heart

Structure and function of the heart wall

The four heart chambers & valves

Heart Anatomy: Gross Anatomy

Pratice

Cardiac muscle

Heart Anatomy: Microscopic Anatomy

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Arianne Dee

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