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