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