CW 104 Word Scramble
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| Question | Answer |
| The heart is composed of what two properties? | electrical and mechanical |
| The heart is able to perform what three functions via the blood vessels? | Transport oxygen and nutrients to organs and tissues Distributing hormones Transporting waste products |
| What are the four properties the heart must have? | Automaticity Conductivity Contractility Excitability |
| Automaticity | can generate its own impulse |
| Conductivity | can transmit an impulse from one cell to the next |
| Contractility | ability to contract |
| Excitability | respond to an impulse |
| Where is the heart located? | BETWEEN the lungs in the THORACIC cavity Positioned partially to the LEFT of the sternum |
| Name the layers of the heart. | Pericardium Myocardium |
| Blood returns to the heart via which blood vessels... | superior and inferior vena cava |
| Blood enters which chamber after returning from the body? | right atrium |
| Blood passes from the right atrium to the right ventricle through which valve? | tricuspid valve |
| Where does the blood go after passing through the tricuspid valve? | right ventricle |
| Blood leaving the right ventricle passes through which valve? | pulmonary valve |
| What blood vessel does the blood enter after passing through the pulmonary valve? | pulmonary artery |
| When blood gets pumped from the right ventricle, what organ or tissue is the blood headed to? | the lungs |
| What vessel carries blood from the lungs to the heart? | pulmonary veins |
| What chamber does the blood return to coming from the lungs? | left atrium |
| Blood passes from the left atrium to the left ventricle through which valve? | bicuspid or mitral valve |
| Where does the blood go after passing through the bicuspid or mitral valve? | left ventricle |
| Blood leaving the left ventricle passes through which valve? | aortic valve |
| What blood vessel does the blood enter after passing through the aortic valve? | the aorta |
| The aorta carries blood to... | the body |
| What is the correct order of the conduction system? | SA node internodal pathways and Bachmann's bundle AV node Bundle of His R & L bundle branches Purkinje fibers |
| SA node | where the electrical impulse of the heart originate |
| Which part of the conduction system tells the ventricles to contract? | Purkinje fibers |
| What are the coronary arteries? | arteries that carry blood to the heart muscle itself |
| What is an embolus? | a traveling blood clot |
| View of lead 1 | views L lateral side of heart |
| View of lead II | views inferior surface |
| View of lead III | views inferior surface |
| View of aVR | views R atrium |
| View of aVL | views L lateral side of heart |
| View of aVF | views inferior surface |
| View of V1 | views R bundle branch |
| View of V2 | views R anterior surface |
| View of V3 | views R anterior septal surface |
| View of V4 | views L anterior surface |
| View of V5 | views left ventricle |
| View of V6 | views lateral surface |
Created by:
MrsReynolds
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