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