67: The Heart Quizellenj2022-12-02T15:59:07-05:00 Please sign up for the course before taking this quiz. 1. What do the coronary arteries do?1 Go off the top of the aorta and take blood to the head and arms. Supply the cells of the heart muscle tissue. Receive blood from the lungs. Take blood to the lungs. 2. Another name for the tricuspid valve is the mitral valve.1 True False 3. Which of these blood vessels brings low-oxygen blood from the body into the heart?1 pulmonary arteries aorta vena cava 4. What is the technical term for phase of the cardiac cycle when the chambers are contracting?1 diastole systole 5. Which chambers have a semilunar valve at the top?1 atria ventricles 6. The contraction of the chambers is what makes the lub dub sound of the heart beat.1 True False 7. Which blood vessel looks like a giant arch going over the top of the heart?1 aorta pulmonary vein superior vena cava pulmonary artery 8. The heart is actual two separate pumps sitting side by side.1 True False 9. The word root “pulmo” is always associated with the lungs.1 True False 10. The inside of the heart contains lots of “strings.” What do these strings do?1 They keep the two sides of the heart together. They tie the atria to the ventricles. They help the heart to contract. They anchor the valve flaps to the walls of the ventricles. 11. What does the word root “brachio” mean?1 head heart blood arms 12. What is the name of the membrane bag that surrounds the heart?1 pericardium myocardium septum 13. What does the SA node do?1 Causes the heart rate to speed up when you exercise. Sends out an electrical signal that initiates contraction. Receives an electrical signal and then transfers it on to the ventricles. 14. Where does the blood from the pulmonary arteries go?1 into the right atrium into the left atrium to the lungs to the body 15. The definition of a “vein” is that it carries blood that is low in oxygen.1 True False 78: Muscles (as organs) 80: Endocrine system : Overview Back to: 67: The Heart
