Term
| What type of blood do Arteries carry? |
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Definition
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Term
| Which Artery carried oxygenation blood? |
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Definition
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Term
| In what direction do Arteries carry blood? |
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Definition
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Term
| What are in the thick walls of Arteries? |
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Definition
Smooth Muscle Fibres
Elastic Fibres |
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Term
| What do the smooth muscle fibres and the elastic fibres enable the arteries to do? |
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Definition
| Enables the Arteries to constrict and dilate to change the flow of blood to a particular organ |
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Term
| In what direct do veins carry the blood? |
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Definition
| towards the heart from the tissue capillaries |
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Term
| What type of blood do veins carry? |
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Definition
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Term
| Which vein carries oxygenated blood? |
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Definition
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Term
| What are the purpose of valves in the veins? |
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Definition
| To prevent the back flow of blood |
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Term
| What do capillaries link? |
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Definition
| Capillaries link arteries and veins |
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Term
| Why are veins narrow with thin walls? |
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Definition
| To allow gaseous exchange |
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Term
| Where is the heart situated? |
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Definition
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Term
| What is the function of the heart? |
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Definition
| To pump the blood around the body under pressure |
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Term
| What is the heart surrounded in? |
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Definition
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Term
| What is the muscle layer of the heart called? |
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Definition
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Term
| What is the inner layer of the heart called? |
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Definition
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Term
| What is the purpose of serous fluid in the pericardial sac? |
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Definition
| To lubricate the heart when movement is taking place |
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Term
| What is the bottom of the heart called? |
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Definition
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Term
| What is the top of the heart called? |
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Definition
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Term
| What divides the heart into two? |
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Definition
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Term
| What are the upper chambers of the hearts called? |
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Definition
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Term
| What are the lower chambers of the heart called? |
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Definition
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Term
| What chambers do the blood flow into? |
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Definition
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Term
| The Atriums have thinner walls than the ventricles, true or false? |
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Definition
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Term
| The Ventricles have thicker walls than the artiums, true or false? |
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Definition
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Term
| What is the ventricles function? |
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Definition
| To drive the blood away from the heart into arteries |
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Term
| Where is the Myocardium thickest? |
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Definition
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Term
| Why is the Myocardium thickest in the left ventricle? |
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Definition
| Because the blood has to be pumped around the whole body |
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Term
| Which side of the heart pumps into the pulmonary circulation? |
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Definition
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Term
| Which side of the heart pumps into the systemic circulation? |
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Definition
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Term
| How many valves are in the heart? |
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Definition
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Term
| Which Valve is also known as the tricuspid valve? |
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Definition
| Right Atrio-Ventricular Valve |
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Term
| Where does the right atrio ventricular valve lie? |
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Definition
| Between the right atrium and right ventricle |
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Term
| What is the function of the atrio ventricular valve? |
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Definition
| To prevent backflow of blood into the right atrium when the ventricle contracts |
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Term
| What valve is known as the bicuspid valve or the mitral valve? |
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Definition
| The Left Atrio Ventricular Valve |
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Term
| When does the Mitral Valve lie? |
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Definition
| Inbetween the left atrium and the left ventricle |
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Term
| What is the function of the bicuspid valve? |
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Definition
| To prevent the backflow of blood into the left atrium during the contraction of the left ventricle |
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Term
| Name the two semi-lunar valves |
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Definition
The Aortic Valve
The Pulmonary Valve |
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Term
| Where is the Aortic Valve found? |
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Definition
| Between the left ventricle and the Aorta |
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Term
| What is the purpose of the Aortic Valve? |
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Definition
| To prevent blood flowing back into the left ventricle |
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Term
| What is the purpose of the Pulmonary Valve? |
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Definition
| To prevent blood flowing back into the right ventricle |
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Term
| Where is the pulmonary valve found? |
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Definition
| Between the right ventricle and the pulmonary artery |
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Term
| Where is the hepatic portal system found? |
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Definition
| In the systemic circulation |
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Term
| What is the purpose of the Hepatic Portal System? |
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Definition
| Enables the products of digestion absorbed by the gut to be transported straight to liver where they can be metabolized, used or stored. |
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Term
| What causes the "LUB" sound when the heart is beating? |
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Definition
| When the full atrium's contract and empty into the ventricles the atrio ventricular closes due to the pressure |
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Term
| What causes the "DUB" sound when the heart is beating? |
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Definition
| When the ventricles contract and force the semi lunar valves open and blood being forces into them and then the semi lunar valves close |
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Term
| What are the two nodes involved in the conduction of the heart? |
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Definition
The sino-atrial node
The atrio-ventricular node |
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Term
| Where is the SA node found? |
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Definition
| In the wall of the upper right atrium |
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Term
| Where is the AV node found? |
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Definition
| In the septum between the right and left side of the heart |
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Term
| Where are the bundle of his found? |
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Definition
| In the septum, running towards of the apex of the heart from the bottom of the atrium |
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Term
| What is the function of the bundle of his? |
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Definition
| The transmit the electrical impulse from the av node to the punjike fibres |
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Term
| What is the function of the punjike fibres? |
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Definition
| To transmit the electrical impluse through the ventricles |
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Term
| What is the function of the fibrous plate ? |
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Definition
| To prevent the ventricles contracting when the atriums contract |
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Term
| When undertaking auscultation what are you looking at? |
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Definition
Rate and Rhythm
Valve Functions
Anatomical Defects |
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Term
| What should the pulse rate be the same as? |
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Definition
|
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Term
| What is blood pressure governed by? |
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Definition
The beat of the heart
The volume of blood
The resistance/elasticity of blood vessels |
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Term
| What is blood pressure measured in? |
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Definition
| Millimetres of mercury (mmHg) |
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Term
| When is the blood pressure the highest? |
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Definition
| When the ventricles contract |
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Term
| What does ECG stand for and what does it stand for |
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Definition
Electrocardiology
A recording of the electrical activity of the heart |
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Term
| What do we used ECG's to find? |
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Definition
Accurate HR's
Chamber enlargement
Arrhythmia's
Metabolic problems |
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Term
| In ECG's what is measured on the x and y AXIS? |
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Definition
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Term
| What is the P wave measuring? |
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Definition
|
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Term
| What is the QRS wave measuring? |
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Definition
Ventricle contraction
Atrial Relaxation |
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Term
| What is the T wave measuring? |
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Definition
| Ventricles returning to rest |
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