67: The Heart Quizellenjmchenry2021-10-01T23:31:45-04:00 Please sign up for the course before taking this quiz. The word root “pulmo” is always associated with the lungs.1 True False 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 tie the atria to the ventricles. They keep the two sides of the heart together. They help the heart to contract. What is the name of the membrane bag that surrounds the heart?1 pericardium myocardium septum The heart is actual two separate pumps sitting side by side.1 True False The definition of a “vein” is that it carries blood that is low in oxygen.1 True False Which blood vessel looks like a giant arch going over the top of the heart?1 superior vena cava pulmonary vein aorta pulmonary artery What is the technical term for phase of the cardiac cycle when the chambers are contracting?1 systole diastole What do the coronary arteries do?1 Supply the cells of the heart muscle tissue. 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. What does the SA node do?1 Causes the heart rate to speed up when you exercise. Recieves an electrical signal and then transfers it on to the ventricles. Sends out an electrical signal that initiates contraction. Which chambers have a semilunar valve at the top?1 atria ventricles What does the word root “brachio” mean?1 heart head arms blood Another name for the tricuspid valve is the mitral valve.1 True False Where does the blood from the pulmonary arteries go?1 to the body to the lungs into the left atrium into the right atrium Which of these blood vessels brings low-oxygen blood from the body into the heart?1 vena cava pulmonary arteries aorta The contraction of the chambers is what makes the lub dub sound of the heart beat.1 True False 78: Muscles (as organs) 80: Endocrine system : Overview Back to: 67: The Heart
