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