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- 1. Multiple Choice
The pointed, inferior portion of the heart, known as the ________ rests on the diaphragm and is oriented towards the left hip.basemediastinumapexpericardium - 2. Multiple ChoiceThe two superior receiving chambers of the heart are known as the _________atriaventricles
- 3. Multiple ChoiceThe valves between the atria and ventricles are known as the ________ valves.atrioventricularaorticsemilunarpulmonary
- 4. Multiple ChoiceBlood leaves the right ventricle through the ___________.pulmonary trunkaortasuperior vena cavacoronary sinus
- 5. Multiple ChoiceThe term that means heart contraction is ________.diastolesystoletachycardiafibrillation
- 6. Multiple ChoiceThe VOLUME of blood pumped out of a ventricle with each heartbeat is known as ________Heart RateStroke VolumeCardiac OutputBlood Pressure
- 7. Multiple ChoiceLarge blood vessels that carry blood away from the heart are called:arteriescapillariesveinsvenae cavae
- 8. Multiple ChoiceTunica _______, the middle layer of a typical blood vessel, contains smooth muscle and elastic fibers.intimaexternamediaadventitia
- 9. Multiple ChoiceArteries are normally depicted as red while veins are colored blue. The exceptions to this rule are the _______ arteries and veins.systemichepaticcoronarypulmonary
- 10. Multiple ChoicePulmonary circulation involves blood flow to and from the heart and the _______.bodydigestive organsbrainlungs
- 11. Multiple ChoiceWhen the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the ________.right ventricle to right atriumleft ventricle to left atriumleft atrium to the right atriumright atrium to the left atrium
- 12. Multiple ChoiceThe sinoatrial node is located in the ________.aortaright atriumleft atriumright ventricle
- 13. Multiple ChoiceWhich one of the following represents the correct path for the transmission of an impulse in the intrinsic conduction system of the heart?AV node, Bundle of His, SA node, Purkinje fibers, bundle branchesSA node, AV node, Bundle of His, bundle branches, Purkinje fibersSA node, Bundle of His, AV node, Purkinje fibers, bundle branchesSA node, Bundle of His, bundle branches, Purkinje fibers, AV node
- 14. Multiple ChoiceA person with a heart rate of 75 beats per minute and stroke volume of 60 mL per beat has a cardiac output of _______.4500 mL/min1.25 mL/min0.8 mL/min120 mL/min
- 15. Multiple ChoiceThe heart sounds "lub" and "dup" result from ________.opening of the heart valvesfiring of the nodes of the intrinsic conduction systemblood rushing through the chambersclosure of heart valves
- 16. Multiple ChoiceExchanges between blood and tissue cells occur in capillary beds.TrueFalse
- 17. Multiple ChoiceWhich label is representing the Purkinje fibers?ACDE
- 18. Multiple ChoiceWhat does letter D represent?AortaLeft AtriumLeft ventricleRight Atrium
- 19. Multiple ChoiceIf there is a sudden drop in blood pressure, what happens to the heart rate?IncreasesDecreaseReturns to NormalStays the same
- 20. Multiple ChoiceWhich has valves, arteries or veins?ArteriesVeins
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