2024 ( GRADED A+ AND 100% VERIFIED)
1. The apex of the heart is located: 5th intercostal space
2. Which layer of the heart allows it to act as a pump?: Myocardium
3. What is the apex of the heart?: The tip of the heart, pointing down towards the left
5th intercostal space.
4. Which layer of the heart wall contains the epicardium?: Pericardium
5. What surrounds the heart?: Pericardium
6. What is related to the mitral valve (tricuspid valve)?: Bicuspid valve
7. Which of the following contains oxygenated blood?: Left Atrium, Pulmonary
veins, Aorta
8. Which of the following contains deoxygenated blood?: Superior Vena Cava,
Right Atrium, Pulmonary Arteries
9. What supplies oxygenated blood to the heart muscle?: Coronary Arteries
10. Which layer of the heart contains actin, myosin, and troponin?: Myocardium
11. Which valves are open during atrial systole?: Tricuspid Mitral
12. What is true of blood leaving the tissues and traveling towards the right
atrium?: Oxygen poor, carbon dioxide rich
13. Valve that prevents backflow of blood into the left ventricle when the left
ventricle is in diastole?: Aortic
14. The aorta receives blood from what structure?: Left ventricle
15. Which vessel carries blood from the pulmonary capillaries to the left atrium?:
Pulmonary veins
16. Which cavity of the heart first receives unoxygenated blood from the vena
cava?: Right atrium
17. What is the right semilunar valve separating the right ventricle and the
pulmonary artery?: The pulmonic valve
18. What is the function of the pulmonic valve?: To prevent blood flow from the
pulmonary arteries to the right ventricle during ventricular diastole
19. What do heart rate and stroke volume determine?: Cardiac output
20. What is the left ventricle doing when the right ventricle is contracting?: -
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