Car/Pul Unit 3 Word Scramble
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| Question | Answer |
| What is Oxygenation? | O2 from the lungs to the systemic blood system, Blood caries the O2 and is moved by the heart, Cells utilize O2 |
| What is Oxygen Transport? | O2 is carried by hemoglobin and dissolved in plasma as a partial pressure. Process dependent on circulatory system i.e. Pulse Rate & Stroke Volume |
| What organ does C.O. represent? | Heart |
| What organ does CaO2 represent? | Lung |
| What is the anatomical location of the heart? | 1. Apex located at the 5th intercostal space, between 5th & 6th ribs 2. Anterior & Inferior divisions of the mediastinum |
| What is the length of the heart in respect to the vertebrae? | T5-T8 |
| The apex of the heart is also the PMI which stands for what? | Point of Maximal Intensity |
| Where is the origin of Coronary Circulation? | At the Aortic Sinus at the base of the aorta |
| In coronary circulation posterior descending serves what? | R & L Ventricles |
| In coronary circulation marginal branch serves what? | R atrium & ventricle |
| In coronary circulation the right main line consists of what? | 1. Posterior Descending 2. Marginal Branch |
| In coronary circulation the left main line consists of what? | 1. Left Anterior Descending 2. Circumflex |
| Where is the terminate of Coronary Circulation? | At the Coronary Sinus @ junction of SVC & R atrium. |
| What is depolarization? | The loss of the negative charge with in the cell. |
| What is repolarization? | The return of the negative charge with in a cell. |
| What is Heart Conduction? | The SA node generates an impulse to regulate and stimulate the cardiac muscle |
| The P-Wave in a ECG is what? | Arterial Depolarization |
| The QRS in a ECG is what? | Ventricular Depolarization |
| The T-Wave in a ECG is what? | Ventricular Repolarization |
| The QRS interval should not exceed what? | 0.1 seconds |
| What is Ventricular Preload? | The degree of myocardial stretch and is directly related to venous return |
| Increase VR =? | Increase Stroke Volume |
| Decrease VR =? | Decrease Stroke Volume |
| What is Ventricular Afterload? | The resistance of force against which the ventricles must work to pump blood. |
| Increase in SVR/PVR will what? | Decrease in Stroke Volume |
| Decrease in SVR/PVR will what? | Increase in Stroke Volume |
| Increase in contractility is termed what? | Positive Inotropism, this will increase Stroke Volume |
| Decrease in contractility is termed what? | Negative Inotropism, this will decrease Stroke Volume |
| What are the 3 drugs that increase SVR? | 1. Dopamine (Intropin) 2. Norepinephrine (Levophed) 3. Epinephrine (Adrenalin) |
| What are the 4 drugs that decrease SVR? | 1. Nitroprusside (Nipride) 2. Morphine 3. Hydralazine (Apresoline) 4. Diazoxide (Hyperstat) |
| What are the 3 functions of Pulmonary Circulation? | 1. Filtration of Venous Blood 2. Synthesis of Surfactant 3. Reservoir for L Ventricle |
| What are the 3 zones of perfusion at the lung with the pulmonary blood distribution? | 1. Zone 1 @ Apex- Least Perfused 2. Zone 2 @ Mid Lung- Increasing Perfusion 3. Zone 3 @ Base- Gravity Dependent Area Best Perfused (GRAVITY RULES APPLIES) |
| What 3 "Blood Chemistry" factors increase PVR? | 1. Acidemia (Low pH) 2. Hypercapnia (High PaCO2) 3. Hypoxemia |
| What "Mechanical Vent" factors increase PVR? | PEEP/CPAP |
| What 3 "Disease/Disorder" factors increase PVR? | 1. Pulmonary Emboli 2. Emphysema 3. Interstitial Pulmonary Fibrosis |
| What 3 drugs that decrease PVR? | 1. Oxygen 2. Nitric Oxide 3. Aminophyline |
| What "Blood Chemistry" factor decrease PVR? | Alkalemia (High pH) |
| Starlings Law "Fluid Out" | Hydrostatic Pressure |
| Starlings Law "Fluid In" | Osmotic Pressure & Capillary Membrane Permeability |
Created by:
Langhout1418
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