67: The Heart Quizellenjmchenry2021-10-01T23:31:45-04:00 Please sign up for the course before taking this quiz. Another name for the tricuspid valve is the mitral valve.1 True False The definition of a “vein” is that it carries blood that is low in oxygen.1 True False The heart is actual two separate pumps sitting side by side.1 True False What is the name of the membrane bag that surrounds the heart?1 myocardium septum pericardium What do the coronary arteries do?1 Supply the cells of the heart muscle tissue. Receive blood from the lungs. Take blood to the lungs. Go off the top of the aorta and take blood to the head and arms. 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 help the heart to contract. They keep the two sides of the heart together. Where does the blood from the pulmonary arteries go?1 to the body into the left atrium into the right atrium to the lungs What does the SA node do?1 Sends out an electrical signal that initiates contraction. Recieves an electrical signal and then transfers it on to the ventricles. Causes the heart rate to speed up when you exercise. The word root “pulmo” is always associated with the lungs.1 True False Which chambers have a semilunar valve at the top?1 ventricles atria Which of these blood vessels brings low-oxygen blood from the body into the heart?1 vena cava aorta pulmonary arteries What does the word root “brachio” mean?1 head blood arms heart What is the technical term for phase of the cardiac cycle when the chambers are contracting?1 diastole systole The contraction of the chambers is what makes the lub dub sound of the heart beat.1 True False Which blood vessel looks like a giant arch going over the top of the heart?1 pulmonary artery pulmonary vein aorta superior vena cava 66: Blood vessels 68: The Lungs Back to: 67: The Heart
