| Question |
Answer |
| where on the arm should a tourniquet be placed |
6" above the antecubital fossa |
| A tourniquet can only stay in place for how long |
1 minute / 60 seconds |
| definition of a Phlebotomists |
Phlebo = vein Tome/tomy = incision Ists = specialist |
| four chambers of the heart |
right artium, left artium, right ventricle and left ventricle |
| five major blood vessels |
superior vena cava - inferior vena cava - plumonary artery - pulmonary veins - aorta |
| how many valves are in the heart and what are they |
4; tricuspid = RA to the RV; pulmonic = RV to the pulmonary arterymitral = LA to the LVaortic = LV to the aorta |
| the tricuspid and mitral valves are also called the ... |
atrioventricular valves = between atria and the ventricles |
| the blood that flows into the atria is passive filling what % |
70 |
| what divides the right and left chambers of the heart |
the septum |
| The thin innermost layer of the heart (lining the chambers) |
Endocardium |
| the pure muscle layer of the heart that is responsible for the contraction |
myocardium |
| the thin protective outer layer of the heart |
epicardium |
| the double layer "heart sack" is called what? And the fluid inside of it? |
pericardium, and the serous fluid |
| ANS |
Autonomic Nervous System |
| SNS and what it is |
Sympathetic Nervous System; speeds up the heart rate and increases blood pressure. Known as the "Fight or Flight" response to stress, exertion or fear |
| PNS and what it is |
Parasympathetic Nervous System; slows the heart rate and decreases the blood pressure, normally happens when your sleeping. |
| RCA and what part of the heart does it feed |
Right Coronary Artery; feed the right ventricle and surface of the left inferior ventricle |
| LAD and what part of the heart does it feed |
Left Anterior Descending (coronary artery); anterior surface of the left ventericle |
| LCX and what part of the heart does it feed |
Left Circumflex (coronary artery); feeds the lateral wall of the left ventricle |
| Which chamber of the heart has the thickest walls |
Left ventricle |
| Which valve opens when the right ventricle contracts |
Pulmonic |
| Contractions of the heart is known as |
Systole |
| Another name for the Tricuspid and Mitral valves |
Atrioventricular valves |
| the three layers of the heart and where they are |
Endocardium - innermost layer Myocardium - the thickest layer of the wall Epicardium - the thin outer protective layer |
| Systole |
contraction of the heart muscle |
| Diastole |
relaxation of the heart muscle |
| Pacemaker of the heart |
SA node |
Buen Viaje lv.2 ch 8
