Fill in the Blank: Match the number to the part of the heart in the flow of circulation. Superior Vena Cava/[1] --> Right Atrium --> [2] --> Pulmonary Artery --> Lungs --> [3]--> [4]--> Left Ventricle -- [5] --> Body 1 2 3 4 5 [Choose] [Choose ] [Choose ] [Choose ] [Choose ] A B W + + - P 美国
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- Answer the question below please !Put these phases of the cardiac cycle in the correct order. opening of the semilunar valves isovolumetric contraction atrial systole begins closure of the AV valves ventricular filling is complete ventricular systole begins ventricular relaxation ventricular ejectionWhich of the following is the correct sequence of blood flow through pulmonary circulation? Group of answer choices Right atrium → right ventricle → pulmonary arteries → pulmonary capillaries (in lungs) → pulmonary veins → left atrium Left atrium → left ventricle → pulmonary arteries → pulmonary capillaries (in lungs) → pulmonary veins → right atrium Right atrium → right ventricle → pulmonary capillaries (in lungs) → pulmonary arteries → pulmonary veins → left atrium Left atrium → left ventricle → pulmonary capillaries (in lungs) → pulmonary arteries → pulmonary veins → right atrium Left atrium → left ventricle → pulmonary veins → pulmonary arteries → pulmonary capillaries (in lungs) → right atrium
- What is the correct sequence for flow of blood in the heart? o Superior vena cava → right ventricle > right atrium o Pulmonary vein > left atrium → bicuspid valve o Right atrium → mitral valve → right ventricle o Inferior vena cava > left atrium > left ventricle o Right ventricle > aortic semilunar valve → aortaThe first sound of a cardiac cycle occurs when the _____ and ______ (select them in alphabetical order) are closing. The second sound of a cardicac cycle occurs when the _______ and ________ (select them in alphabetical order) are closing. Word Options for Blanks: (some may not be used, some may be used more than once) aorta aortic valve bicuspid valve coronary sinus inferior vena cava left atrium left ventricle pulmonary arteries pulmonary trunk pulmonary valve pulmonary veins right atrium right ventricle superior vena cava tricuspid valveWhich of the following situations might indicate the need for an artificial pacemaker? Group of answer choices The AV node is not sending signals to the ventricles. The SA node is not functioning properly to generate action potential at the proper intervals. The Purkinje fibers are not distributing the signal properly. The heart valves are not directing blood flow through the chambers properly.
- Put the following events in the proper order for cardiac conduction. Group of answer choices: SA Node initiates action potential AV node initiates action potential Signal moves to AV bundle in between the ventricle Purkinje fibers lead to ventricular contraction Signal travels to AV node Purkinje fibers lead to atrial contraction 1 2 3 4An individual presents with cardiac tamponade. Their heart would be the most efficient in pumping out blood during which of the following?The lowest rate of blood flow occurs at this roman numeral on the figure: 5000 4000 3000 2000 1000 0 50 40 30 20 10 O IV ○ III O II 0 I II III IV -------
- Which of the following acts as the natural pacemaker of the heart? Group of answer choices SA node Either the SA node or the AV node Purkinje fibers AV nodeMatch the area where blood will flow within the heart during systole (1 point) If blood is in the right atria during diastole, during systole it will move to: If blood is in the right ventricle during diastole, during systole it will move to: If blood is in the left atria during diastole, during systole it will move to: If blood is in the left ventricle during diastole, during systole it will move to: Choose... Choose... The Systemic circulation (body) The Right Ventricle The Pulmonary Circuit The Left Ventricle Choose... ÷ +A class of drugs called beta-blockers are commonly prescribed to cardiac patients in order to reduce their heart rate. Beta-blockers slow heart rate by reducing the conduction of action potentials through the A-V (atrioventricular) node. The most likely effect on an ECG shorter R-R interval shorter Q-T interval longer P-R interval longer T wave