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