Term
NAME THE LAYERS OF THE HEART WALL AND PERICARDIUM IN ORDER |
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Definition
-FIBROUS PERICARDIUM
-PARIETAL PERICARDIUM
-PARICARDIAL CAVITY
-VISCERAL (EPICARDIUM)
-MYOCARDIUM
-ENDOCARIUM |
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Term
WHAT IS THE MEDIASTINUM? WHAT STRUCTURES ARE LOCATED IN IT? |
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Definition
ANATOMICAL REGION THAT EXTENDS FROM THE STERNUM TO THE VERTEBRAL COLUMN; AORTA, HEART, AND ASOPHAGUS |
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Term
WHAT TWO LAYERS OF THE PERICARDIUM FORM A DOUBLE-LAYERED SAC AROUND THE HEART? |
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Definition
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Term
WHAT TWO LAYERS OF THE PERICARDIUM ARE SEROUS MEMBRANE (DOES NOT OPEN TO THE OUTSIDE) |
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Definition
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Term
NAME THE VESSELS THAT ENTER OR LEAVE EACH CHAMBER |
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Definition
-INFERIOR AND SUPERIOR VENA CAVA ENTER RIGHT ATRIUM
-PULOMONARY TRUNK EXITS RIGHT VENTRICLE
-PULMONARY VEINS ENTER LEFT ATRIUM
-AORTA EXITS LEFT VENTRICLES |
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Term
BLOOD RETURNING FROM THE SYSTEMIC CIRCULATION ENTERS WHICH SIDE OF THE HEART? |
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Definition
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Term
BLOOD RETURNING FROM THE PULMONARY CIRCULATION ENTERS WHICH SIDE OF THE HEART? |
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Definition
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Term
IF YOU WERE A DROP OF BLOOD STARTING IN THE AORTA NAME DIRECTION OF FLOW YOU WOULD MAKE. (LIST STRUCTURES, VALVES, VESSELS AND CHAMBERS) |
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Definition
AORTA->ARTERIES->SYSTEMIC CIRCULATION->SUPERIOR/INFERIOR VENA CAVA->RIGHT ATRIUM->TRI-CUSPID (AV) VALVE->RIGHT VENTRICLE->PULMONARY (SL) VALVE->PULMONARY TRUNK->PULMONARY CIRCULATION->LUNGS->PULMONARY VEINS->LEFT ATRIUM->BI-CUSPID (MITRAL AV) VALVE->LEFT VENTRICLE->AORTIC (SL) VALVE->AORTA |
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Term
WHAT IS THE STRUCTURAL DIFFERENCE BETWEEN THE ATRIOVENTRICULAR VALVES AND THE SEMI-LUNAR VALVES? |
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Definition
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Term
DESCRIBE THE CONDUCTION SYSTEM OF AN IMPULSE THROUGH THE HEART. |
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Definition
S-A NODE->SPREADS THROUGHOUT THE ATRIA (ATRIA CONTRACTS)->A-V NODE->AV BUNDLE->BUNDLE BRANCHES->PURKINJIE FIBERS->VENTRICLES CONTRACT |
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Term
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Definition
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Term
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Definition
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Term
LIST EACH "MECHANICAL" EVENT WITH ITS "ELECTRICAL" EVENT. |
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Definition
QRS WAVE= VENTRICULAR SYSTOLE T WAVE= DIASTOLE P WAVE= ATRIAL SYSTOLE |
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Term
DURING DIASTOLE WHICH VALVES ARE OPEN AND WHICH ARE CLOSED? WHERE IS BLOOD FLOWING TO AND FROM? |
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Definition
AV OPEN AND SL CLOSED VEINS->ATRIA->VENTRICLE |
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Term
DURING ATRIAL SYSTOLE WHICH VALVES ARE OPEN AND WHICH ARE CLOSED? WHERE IS BLOOD FLOWING TO AND FROM? |
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Definition
AV OPEN AND SL CLOSED ATRIA->VENTRICLES |
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Term
DURING VENTRICLE SYSTOLE WHICH VALVES ARE OPEN AND WHICH ARE CLOSED? WHERE IS BLOOD FLOWING TO AND FROM? |
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Definition
AV CLOSED AND SL OPEN VENTRICLES->ARTERIES |
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Term
WHICH STAGE OF THE CARDIAC CYCLE IS CONSIDERED THE "FILLING STAGE"? |
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Definition
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Term
WHAT STAGE OF THE CARDIAC CYCLE IS THE MAIN PUMPING EVENT? |
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Definition
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Term
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Definition
THE VOLUME OF BLOOD RETURNING TO THE RIGHT VENTRICLES |
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Term
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Definition
STRETCHING OF HEART DURING FILLING |
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Term
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Definition
THE STRENGTH (OR FORCE) OF CONTRACTION AT PRE-LOAD |
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Term
WHAT ARE INOTROPIC EFFECTS? |
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Definition
THEY INCREASE OR DECREASE CONTRACTILITY |
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Term
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Definition
THE PRESSURE THAT MUST BE REACHED BEFORE BLOOD EJECTS FROM VENTRICLES |
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Term
WHAT IS THE EJECTION FRACTION? |
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Definition
FRACTION OF EDV THATS EJECTED DURING AN AVERAGE HEART BEAT (SV/EDV=EF) |
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Term
WHAT IS THE S-A NODE'S RATE OF FIRING MODIFIED BY? |
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Definition
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Term
NAME THE 3 LAYERS OF A BLOOD VESSEL AND A BREIF DESCRIPTION OF EACH. |
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Definition
TUNICA INTIMA(ENDOTHELIUM)=ONLY LAYER OF CAPILLARY WALLS, FACILITATES BLOOD FLOW TUNICA MEDIA= SMOOTH MUSCLE AND ELASTIC TISSUE TUNICA EXTERNA= FIBROUS CONNECTIVE TISSUE |
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Term
WHAT EFFECT WOULD INCREASED K+ HAVE ON HEART FUNCTION? |
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Definition
DECRESED HEART RATE & CONTRACTILITY |
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Term
WHAT EFFECT WOULD INCREASED OR DECREASED LEVELS OF Ca2+ HAVE ON HEART FUNCTION? |
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Definition
DECREASED CA2+= DECREASED FORCE OF CONTRACTION INCREASED= INCREASED HEART RATE AND CONTRACTION |
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Term
WHAT VESSEL HAS WALLS ONLY OF SIMPLE SQUAMOUS EPITHELIAL CELLS? |
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Definition
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Term
WHAT VESSEL IS MAINLY COMPOSED OF SMOOTH MUSCLE? |
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Definition
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Term
WHICH VESSEL CONTAINS VALVES? |
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Definition
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Term
WHICH VESSELS ACT AS "VOLUME RESERVOIR" FOR BLOOD? |
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Definition
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Term
WHICH VESSEL IS CAPABLE OF MOST SIGNIFICANT VASOCONSTRICTION AND VASODILATION? |
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Definition
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Term
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Definition
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Term
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Definition
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Term
WHAT IS PERIPHERAL RESISTANCE? |
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Definition
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Term
WHAT IS MEAN ARTERIAL PRESSURE? |
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Definition
MAP=DIASTOLIC BP+1/3(SYSTOLIC BP-DIASTOLIC BP) |
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Term
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Definition
DIFFERENCE BETWEEN SYSTOLIC AND DIASTOLIC PRESSURE (110/70 BP READING 40=PP) |
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Term
IN A BP READING OF 110/70 WHICH IS DIASTOLIC PRESSURE AND WHICH IS SYSTOLIC PRESSURE? |
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Definition
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Term
WHEN YOU FEEL YOUR PULSE WHAT ARE YOU ACTUALLY FEELING? |
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Definition
PRESSURE WAVE; TRAVELING PRESSURE (BP) |
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Term
NAME THREE FACTORS THAT CONTRIBUTE TO PERIPHERAL RESISTANCE. |
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Definition
1)SIZE OF LUMEN 2)LENGTH OF VESSEL 3)BLOOD VISCOSITY |
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Term
NAME TWO REASONS WHY CHANGES IN ARTERIOLE DIAMETER ARE IMPORTANT. |
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Definition
-SYSTEMIC CHANGES (REGULATED BY HORMONES OR NERVE IMPULSES) -AUTOREGULATION (REGULATED BY CHEMICAL CHANGES) |
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Term
WHICH SPECIFIC DIVISION OF THE NERVOUS SYSTEM IS PRIMARILY INVOLVED IN REGULATION OF ARTERIOLE DIAMETER? |
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Definition
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Term
WHICH HORMONE CAUSES VASODILATION WHICH DECREASES BP? |
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Definition
ATRIAL NATRIURETIC PEPTIDE (ANP) |
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Term
NAME 3 WAYS A SUBSTANCE CAN CROSS CAPILLARY WALLS. |
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Definition
-DIFFUSION (FOR SOLUTE EXCHANGE) -TRANSCYTOSIS (FOR LARGE LIPID INSOLUBLE MOLECULES) -BULK FLOW (REGULATES VOLUME OF BLOOD & ISF) |
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Term
HOW IS HOMEOSTATIC REGULATION OF ARTERIAL PRESSURE REGULATED? |
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Definition
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Term
THE EFFERENT (MOTOR) PATHWAY FOR THE BARORECEPTOR REFLEX IS ALONG WHICH NEURONS? |
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Definition
PARASYMPATHETIC AND SYMPATHETIC |
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Term
IN FETAL CIRCULATION, WHICH VESSEL DOES BLOOD FLOW FROM FETUS TO PLACENTA? |
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Definition
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Term
IN FETAL CIRCULATION WHICH VESSEL DOES BLOOD PASS FROM PLACENTA TO FETUS? |
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Definition
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Term
IN FETAL CIRCULATION WHAT IS THE FORAMEN OVALE? |
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Definition
THE OPENING BETWEEN THE LEFT AND RIGHT ATRIUM |
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Term
WHAT DOES THE DUCTUS ARTERIOSUS AND DUCTUS VENOSUS DO? |
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Definition
ARTERIOSUS= BY-PASSES LUNG VENOSUS= BY-PASSES LIVER |
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Term
WHAT DOES THE CELIAC TRUNK SUPPLY? |
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Definition
3 BRANCHES (LEFT GASTRIC, SPLENIC AND COMMON HEPATIC) |
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Term
WHAT DOES THE SUPERIOR AND INFERIOR MESSENTRIC SUPPLY? |
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Definition
SUPERIOR= SMALL INTESTINES INFERIOR= RECTUM |
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Term
WHAT DOES THE INTERNAL AND EXTERNAL ILIAC ARTERIES SUPPLY? |
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Definition
INTERNAL=PELVIC ORGANS EXTERNAL= LOWER LIMBS |
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