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- Multiple ChoicePlease save your changes before editing any questions.Name the artery that carries blood from the left ventricle to the bodyvena cavaaortapulmonary Veinpulmonary artery
- Multiple ChoicePlease save your changes before editing any questions.What carries the oxygenated blood from the lungs to the left atrium of the heart?vena cavaaortapulmonary veinpulmonaryartery
- Multiple ChoicePlease save your changes before editing any questions.What are the two large veins that drain blood from the upper body and from the lower body and empty it into the right atrium of the heart?vena cavaaortapulmonary arterypulmonary vein
- Multiple ChoicePlease save your changes before editing any questions.The two chambers of the heart with thin walls that collect blood from the major veins and empty it into the larger, more muscular chambers.aortaatriaventricleslungs
- Multiple ChoicePlease save your changes before editing any questions.What are the functions of the tricuspid and bicuspid valves?prevent blood from leaking back into he ventriclesprevent blood from leaking back into the atriaallow blood to flow into the atriaallow blood to leave the ventricles
- Multiple ChoicePlease save your changes before editing any questions.What are the functions of the tricuspid and bicuspid valves?prevent blood from leaking back into the ventriclesprevent blood from leaking back into the atriaallow blood to flow into the atriaallow blood to leave the ventricles
- Multiple ChoicePlease save your changes before editing any questions.Which of the following define diastole and systolesystole is the contraction of the heart and diastole is the relaxation of the heartdiastole is the contraction of the heart and systole is the relaxation of the heartdiastole and systole are both contractions of the heartdiastole and systole are both relaxation phases of the heart
- Multiple ChoicePlease save your changes before editing any questions.What is ECG?electrocardiograma tool that collects electrical changes in the heart musclewill detect any abnormal rhythm of the heartall of the above
- Multiple ChoicePlease save your changes before editing any questions.What tool is used to measure blood pressure?ECGstethoscopesphygmomanometerthermometer
- Multiple ChoicePlease save your changes before editing any questions.What is a normal blood pressure?120/80100/50190/70150/70
- Multiple ChoicePlease save your changes before editing any questions.The lining of the chambers of the heart is called themyocardiumepicardiumendocardiumpericardium
- Multiple ChoicePlease save your changes before editing any questions.Freshly oxygenated blood is delivered to the _____________ and then it passes into the __________ to be pumped to the entire body.right ventricle; right atriumleft ventricle; left atriumleft atrium; left ventricleright atrium; right ventricle
- Multiple ChoicePlease save your changes before editing any questions.Into which chamber of the heart do the pulmonary veins deliver blood?left ventricleright atriumleft atriumright ventricle
- Multiple ChoicePlease save your changes before editing any questions.The most muscular chamber of the heart is theleft ventricleleft atriumright atriumright ventricle
- Multiple ChoicePlease save your changes before editing any questions.Which of the following is a difference between cardiac muscle and skeletal muscle?unlike skeletal muscle cells, cardiac muscle cells do not rely on an influx of calcium ions for depolarizationunlike skeletal muscle, cardiac muscle is not striatedunlike skeletal muscle, cardiac muscle does not use a sliding filament mechanism for contractionunlike skeletal muscle cells, cardiac muscle cells can be autorhythmic
- Multiple ChoicePlease save your changes before editing any questions.The role of the atrioventricular node (AV node) is toinitiate a sinus rhythmconduct impulses to the sinoatrial node (SA node)initiate ventricular depolarizationslow down impulses so that the atria can contract to fill the adjacent ventricles with blood
- Multiple ChoicePlease save your changes before editing any questions.The P wave of an ECG representsatrial repolarizationatrial depolarizationventricular repolarizationventricular depolarization
- Multiple ChoicePlease save your changes before editing any questions.The second heart sound (the dup of the lub-dup) is caused by theopening of the pulmonary and aortic valvesclosure of the tricuspid and bicuspid valvesclosure of the pulmonary and aortic valvesopening of the tricuspid and bicuspid valves
- Multiple ChoicePlease save your changes before editing any questions.Which of the following would lead to a decrease in heart rate?sharply decreased blood volumeparasympathetic stimulationnorepinephrineexercise
- Multiple ChoicePlease save your changes before editing any questions.Which part of the ECG corresponds to the repolarization of the ventricle?P waveQRS complexT wavenone of the above
- Multiple ChoicePlease save your changes before editing any questions.Which of the following lists the valves in the order through which the blood flows from the vena cava through the heart?tricuspid, pulmonary, bicuspid, aorticmitral, pulmonary, bicuspid, aorticbicuspid, aortic, tricuspid, pulmonaryaortic semilunar, pulmonary, tricuspid, bicuspid
- Multiple ChoicePlease save your changes before editing any questions.Which valve separates the left atrium from the left ventricle?tricuspidmitralpulmonaryaortic
- Multiple ChoicePlease save your changes before editing any questions.Which component of the heart conduction system would have the slowest rate of firing?AV nodePurkinje fibersbundle of Hisbundle branches
- Multiple ChoicePlease save your changes before editing any questions.Place the following in the correct order:
1.atria contract
2. AV node
3. Bundle of His
4.Purkinje fibers
5. SA node
6. ventricles contract5, 1, 2, 3, 4, 62, 1, 5, 3, 4, 65, 6, 2, 3, 4, 12, 6, 5, 3, 4, 1 - Multiple ChoicePlease save your changes before editing any questions.Choose the answer that will fill in the missing words in the correct order:vena cava, _________________, tricuspid valve, right ventricle, pulmonary valve, __________________, lungs, ___________________, left atrium, ____________________, left ventricle, aortaright atrium, pulmonary artery, pulmonary veins, bicuspid valveatrial valve, right atrium, right ventricle, bodyleft ventricle, pulmonary artery, pulmonary veins, tricuspid valveright atrium, pulmonary veins, pulmonary artery, bicuspid valve