Term
How Large is the Human Heart? |
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Definition
| About the size of your fist. |
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Term
| What is the location of the heart? |
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Definition
| Directly behind the sternum. |
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Term
| General name for an abnormal structure in the body? |
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Definition
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Term
| General Name for an abnormal function in the body? |
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Definition
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Term
| Average Heart Output when at rest |
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Definition
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Term
| Name of the circulation that provides blood to most of the body? |
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Definition
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Term
Name of the circulation that moves blood through the lungs? |
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Definition
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Term
| What differentiates the arteries from the veins? |
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Definition
| Arteries move blood away from the heart while veins bring blood back to the heart. |
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Term
| Middle section of the body behind the sternum is given what name? |
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Definition
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Term
| What is the general name for the coverings of the heart? |
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Definition
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Term
| Name of the outer covering of the heart |
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Definition
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Term
| Nature of the outer covering of the heart |
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Definition
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Term
| Name of the inner covering that is attached to the outside of the heart muscle. |
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Definition
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Term
| What lies between the Parietal and Visceral Pericardium? |
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Definition
| The Pericardial Cavity that is filled with a fluid that is continuously regenerated. This fluid lubricates the heart and keeps it from being aggravated while pumping. |
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Term
| Name given to bleeding inside the Pericardium cavity and what negative effect does it have? |
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Definition
| Pericardial Tamponade. Because the outer covering is thick and strong this is going to put pressure on the heart, making it harder to pump. If not handled expediently can lead to heart failure (death) |
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Term
| What is another name for the Visceral Pericardium? |
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Definition
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Term
| Name of the smooth surface inside the heart that is only a few cells thick? |
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Definition
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Term
| Name of the muscle of the heart that composes the bulk of the heart |
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Definition
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Term
| Unique Property of the heart that causes it to beat at a slow rate when removed from the body? |
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Definition
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Term
| What is the name and location of the 4 valves of the heart |
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Definition
Bicuspid Valve or Mitral Valve - on left side between atrium and ventricle
Tricuspid Valve-on right side between atrium and ventricle
Aortic Semi-Lunar Valve - In the Aorta that is supply oxygenated blood to the body.
Pulmonary Semi-Lunar Valve - Sits inside the start of the pulmonary artery that is pushing blood out to the lungs
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Term
| How much more pressure is on the left side of the heart compared to the right side? |
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Definition
| About 4 times as much pressure and the muscle is 4 times thicker and stronger |
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Term
| What is the name of the very fine tendons that connect to the Bicuspid and Tricuspid Valves? |
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Definition
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Term
| What is the name of the muscles that attach to the Chodae Tendinea? |
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Definition
| Papillary Muscles - They allow for fine adjustments of the valves when closing |
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Term
| Name of the arteries and veins that supply blood to the heart? |
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Definition
| Right and Left Coronary Arteries/Veins |
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Term
| When there is a blockage of one of the coronary arteries what is this called? |
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Definition
Myocardial Infarction
i.e. Heart Attack |
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Term
| What percentage of the heart muscle is converted into something similar to nerves that carry the electro-chemical signal for beating? |
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Definition
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Term
| What is the name of our natural pacemaker and where is it located? |
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Definition
| Sino-Atrial Node - Sits in the upper right portion of the right atrium |
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Term
What is the name of the central node that slows down the electo-chemical impulse to the ventricles?
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Definition
| Atrio Ventricular Node - Sits around the center of the heart between the atrium and the ventricles - Acts as a road block that slows down the elect-chemical pulse allowing the atrium to fully contract prior to the ventricular contraction. |
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