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