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