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