Term
| Blood flow is governed by what two main principles? |
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Definition
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Term
| What device is used to measure blood pressure? |
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Definition
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Term
| Do fluid flow up or down their pressure gradient? |
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Definition
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Term
| When a ventricle expands, does its internal pressure rise or fall? |
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Definition
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Term
| When a ventricle contracts, does its internal pressure rise or fall? |
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Definition
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Term
| What is the outcome of the internal pressure of a ventricle falling, if the AV valve is open? |
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Definition
| Blood flown into the ventricle from the atrium above |
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Term
| What is the outcome of the internal pressure of a ventricle raising, is the aortic valve opens? |
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Definition
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Term
| True or false - valves do not contain muscles |
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Definition
| True - they are just flaps of tissue |
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Term
| How many heart sounds are there? |
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Definition
| 3 - generally only 2 in adults over 30 though |
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Term
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Definition
| Listening to the sounds made by the heart |
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Term
| What is the difference in sound between S1 and S2 of the heart? |
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Definition
S1 = longer and louder
S2 = little softer and sharper |
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Term
| True or false - heart valves make the S1 noise |
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Definition
| False - heart valves operate silently |
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Term
| What operates in conduction with the sounds of S1 and S2? |
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Definition
| The closing of the valves as result in turbulence in bloodstream and movements of heart wall |
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