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- 1. Multiple ChoiceThe partition that divides the heart longitudinally is called the ______.Left atrioventricular grooveInterventricular septumInteratrial septumRight atrioventricular groove
- 2. Multiple ChoiceThe two superior receiving chambers of the heart are known as the ______, while the two inferior discharging chambers of the heart are known as the _______.Ventricles; atriaAtria; ventriclesArteries; veinsVeins; arteries
- 3. Multiple ChoiceThe transportation of blood from the right side of the heart to the lungs and back to the left side of the heart is known as ______ circulation.SystematicCardiacPulmonaryCoronary
- 4. Multiple ChoiceThe bicuspid valve is also referred to as the ______ valve.MitralPulmonarySemilunarAortic
- 5. Multiple ChoiceThe first sound, "lub" is caused by the closure of the ______ valves.SemilunarPulmonaryAtrioventricular (AV)Aortic
- 6. Multiple ChoiceLarge veins have _______ to prevent the backflow of bloodTunicsSphinctersValvesShunts
- 7. Multiple ChoiceVeins draining the head and arms empty into the ______, which carries blood to the right atrium of the heart.Superior vena cavaInferior vena cavaCommon iliacGreat saphenous
- 8. Multiple ChoiceThe heart is situated within the medial section of the thoracic cavity known as the ______.MediastinumHiatusPleural cavityDiaphragm
- 9. Multiple ChoiceThe outside layer of the heart wall synonymous with the visceral pericardium layerMyocardiumEndocardiumEpicardiumParietal layer
- 10. Multiple ChoicePulmonary arteries transport what?Oxygenated blood to the lungsBlood rich in carbon dioxide to the lungsOxygenated blood to the heartOxygenated blood directly to the aorta
- 11. Multiple ChoiceThe tricuspid valve is located between what?Right atrium and left atriumRight atrium and right ventricleLeft ventricle and pulmonary arteryLeft ventricle and aorta
- 12. Multiple ChoiceWhich valve guards the base of the aorta and opens when the ventricles are contracting?MitralAortic semilunarBicuspidPulmonary Semilunar
- 13. Multiple ChoiceWhich of the following increases heart rate?Low levels of calciumHormones like epinephrineVagus nerve simulationCold
- 14. Multiple ChoiceVaricose veins are caused by what?The accumulation of fatty substances within the blood vesselsExcessive production of the enzyme renninA loss of elasticity in blood vesselsIncompetent weak venous valves
- 15. Multiple ChoiceRennin is a hormone released by the kidneys to:Control RBC productionHelp control blood pressureTo narrow blood vesselsIncrease our pulse rate
- 16. Multiple ChoiceOutside covering of the heart that helps to anchor it:Parietal pericardiumEpicardiumPericardiumMyocardium
- 17. Multiple ChoiceHow do veins get blood back to the heart against the force of gravity?They use the force exerted by the aortaThey use skeletal muscles and the respiratory pumpThey use capillaries that are very thin walledThey use connective tissue and difference in air pressure within your lungs
- 18. Multiple ChoiceTRUE OR FALSE:
Blood that flows through the heart chambers does not nourish the myocardiumTrueFalse - 19. Multiple ChoiceTRUE OR FALSE:
The aorta is the largest artery within the pulmonary circulation.TrueFalse - 20. Multiple ChoiceTachycardia is a very low heart rate, less than 60 beats/minuteTrueFalse
- 21. Multiple ChoiceCardiac output is the amount of blood pumped by each side of the heart in one minuteTrueFalse
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