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