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med term-cardio
ch 5 daymar college-jackson-newkirk
| Question | Answer |
|---|---|
| 4 organs of the cardiovascular system | heart, arteries, capillaries,veins |
| 2 parts the cardiovascular system is divided into | circulatory system and systemic system |
| -manometer | instrument to measure pressure |
| steth/o | chest |
| average beats per minute of the heart | 60-100 |
| heart is located here | in the mediastinum, more to the left side of chest |
| heart is divided into right and left sides by a wall called this | septum |
| how many chambers are in the heart | four |
| the upper chambers of the heart | atria |
| the lower chambers of the heart | ventricles |
| the receiving chambers of the heart | atria |
| the pumping chambers of the heart | ventricles |
| these act as restraining gates to control the direction of blood flow | valves |
| relaxation phase of the heart | diastole |
| contraction phase of the heart | systole |
| this is where the electrical impulse begins in the heart | sa node |
| channel within blood vessels | lumen |
| large thick walled vessels | arteries |
| carry blood away from the heart | arteries |
| carry blood to the heart | veins |
| these arteries supply myocardium | coronary arteries |
| measurement of the force exerted by blood against the walls of a vessel | blood pressure |
| state of slow heart rate | bradycardia |
| state of fast heart rate | tachycardia |
| enlarged heart | cardiomegaly |
| heart specialist | cardiologist |
| sugical repair of a vessel | angioplasty |
| narrowing of a vessel | angiostenosis |
| listening to sounds within body using a stethoscope | auscultation |
| area of necrotic tissue due to loss of blood supply | infarct |
| to flow backward, back flow of blood through a valve. | regurgitation |