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A&P11 -
Lab Test 1 - Blood, Heart, BV's, B.Pressure & ECG
| ? | Ans |
|---|---|
| general function of RBC's | transport respitory gasses, ie oxygen & CO2 |
| general function of platelets | cell fragments that assist in blood clotting |
| WBC's - Leucocytes | for defense, lg destinctive cell nucleus there are granular and Agranular kinds |
| granular names | neutrophils, eosinophils & basophils |
| Agranular names | lymphocytes & monocytes |
| neutrophils describe | 5 to 7 nucleus sections |
| eosinophils | phone reciever shape; red |
| basophils | blue U shape |
| lymphocyles | smallest; lg nucleus |
| monocytes | pacman; |
| purpose of Total White Count test is: | see if normal WBC's |
| purpose of Total Red Count test is: | see if normal RBC's |
| purpose of Differential White Blood Cell count is: | count to 100 WBC's on a grid; can tell if infection |
| Hematocrit | packed cell volumn for? |
| Hemoglobin concentration determination (tallquist method) | sample on paper and hold against chart |
| Hemoglobin concentration determination (Hemoglobinometer method) | put sample in color and line up w/ color |
| Sedimentation rate | how long it takes cells to settle |
| Coagulation time (often done before surgery) | test to see how long it takes to coagulate; should clot within 2-6 minutes |
| tunica externa | outer layer |
| tunica media | middle layer |
| tunica interna | innermost layer |
| lumen | opening, |
| valve | in veins but not arteries |
| cardiac cycle | compleat heartbeat |
| systole | contraction |
| diastole | relaxation |
| avg pulse rate | 70 to 76 beats per min in resting state |
| 9 pulse points are: | temporal artery, facial artery, conmmon carotid artery, brachial artery, radial srtery, femoral artery, popliteal artery, posterior tibial artery and dorsalis pedis artery |
| significance of apical-radial pulse: | ? |
| blood pressure | pressure of B against vessel wall |
| systolic pressure | peak of ventricular contraction |
| diastolic pressure | time of ventricular relaxation |
| sph yg mo ma no meter | blood pressure cuff |
| Sounds of Kaor t koff | sounds B makes as it starts to flow back into arm |
| Apical | pulse a apex of heart |
| Radial | pulse at wrist |
| de polarization | relaxing |
| polarization | contracting |
| P wave | contraction of Atria |
| QRS complex | ventricular de polarization |
| Black Clip | baseline |
| Green Clip | negative |
| Red Clip | positive |
| Typical ECG consists of a series of repetitive: | waves that arise from a flat baseline called the isoelectric line |
| Varios deflections from the isoelectric line denote: | electrical activity during cardiac cycle |
| ECG has 5 major deflections: | P wave, QRS wave & T wave |
| one cardiac heart cycle cossists of: | 5 deflections, organized into 3 wave forms |
| _______ cardiac cycles per min for a normal adult at rest | 70-76 |
| Cardiac cycle starts with: | P wave, |
| Cardiac cycle ends with: | T wave |
| P wave | atria contracting |
| QRS wave | ventricular depolarization (relaxing) |
| T wave: | peak; |
| atrial repolarization occurs while: | ventricles contracting and cancelled from view |
Created by:
Jean and Study Pals
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