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 |