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MLA week 1

MLA week 1 Tourniquet/Heart

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
Created by: Sinful