EKG & Cardio
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| unwanted external event occurring in an EKG tracing not associated with the heart function | artifact
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| the machine that records an electrocardiogram: | electrocardiograph
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| also known as gain is the degree of change in an EKG tracing, it is represented by the vertical axis | amplitude
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| Recording of electrical current involving both a positive and negative pole | bipolar
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| recording of one location or one pole is: | unipolar
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| A unipolar recording that requires assisting in magnifying the tracing by drawing from other poles is: | augmented
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| Located on the chest in front of the heart | precordial
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| this is the first wave in the cardiac cycle representing atria depolarization | P Wave
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| Asystole: contraction | depolarization
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| the second wave in the cardiac cycle representing ventricular depolarization is: | QRS wave
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| Systole: relaxation is: | Repolarization
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| the third wave in the cardiac cycle representing ventricular repolarization | T wave
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| A collection of fibers that conduct the electrical impulses from the AV node to the ventricular septum is: | bundle of HIS
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| the finger like projections that spread through the ventricular muscle and initiate ventricular contraction are: | Purkinje fibers
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| The length of time from the beginning of atrial depolarization to the beginning of ventricular depolarization is: | P R interval
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| The length of time from the beginning of the ventricular depolarization to ventricular depolarization is: | QT interval
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| The process of recording an electrocardiogram is: | electrocardiography
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| The universally acceptable speed of the tracing and gain (height) used for accurate interpretation of the tracing is: | standardization
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| Muscle movement causing irregular spike in an EKG tracing is: | somatic tremor
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| 60 cycle interference; an artifact in the EKG tracing caused by electrical interference is: | alternating current AC interference
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| Inconsistency in the baseline location on the EKG tracing likely caused by poor lead contact or skin placement is: | wandering baseline
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| A break in the tracing usually caused by a disconnected or broken lead is: | interrupted baseline
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| Also known as dysrhythmia: a change from a normal EKG rhythm: | arrhythmia
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| The natural pacemaker of the heart located in the upper right atrium is: | sinoatrial node, SA Node
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| An upward curvature of waves in an EKG tracing is: | positive deflection
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| A downward curvature of waves in an EKG tracing is: | negative deflection
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| The secondary pacemaker located at the junction of the atria and ventricles is the: | Atrioventricular node, AV node
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| Often referred to as Holter monitoring: an EKG conducted over a period of time while the patient resumes normal activities is called: | ambulatory monitoring
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| The wall muscle is called the | septum
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| The right side of the heart carries: | deoxygenated blood
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| The top chambers are called | atrium, atria
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| The bottom chambers of the heart are called | ventricles
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| What are the 3 layers of the heart called | endocardium, myocardium, epicardium
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| What are the 3 types of circulation | coronary, pulmonary, systemic
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| Where does gas exchange take place | in the capillaries
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| What do veins have that arteries do not have? | valves
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| Arteries have a: | pulse
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| When blood collects under the skin | it forms a hematoma
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| What vein is located in the middle of the forearm | median cubital
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| ________ is located on the outer side of the arm yet harder to palpate | cephalic
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| This vein is located in the inner arm its the third choice and lays close to the median nerve and brachial artery | basilic vein
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| These cells are biconcave and carry hemoglobin | erythrocytes
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| _________ means they can pass through capillaries' thin walls | diapedesis
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| cells surrounding and destroying (eating) the foreign substances thru a process known as: | phagocytosis
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| 3 types of lymphoid cells are: | T lymphocytes, B lymphocytes, and natural killer (NK) cells
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| Cells that have a nucleus that is segmented into 2 or more lobes are: | polymorphonuclear
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| Cells with single lobed nucleus are: | mononuclear
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| ________ Cells have 3-4 lobes, neutral staining, tan, lavender, or pink,60-70%, and engulf bacteria | Neutrophils
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| _________ Cells are bilobed nucleus and cytoplasmic granules that stain orange-red, 1-4%, and destroy parasites | Eosinophils
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| ________ cells a bilobed nucleus and cytoplasmic granules that stain deep blue and may appear black, 0-1%, increase with chronic inflammation and during healing from infection. | Basophils
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| ________ have large kidney shaped nuclei with cytoplasmic granules, 2-6%, Are the largest WBC's, increase during chronic infections such as tuberculosis | Monocytes
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| _______ have round nucleus with a minimum amount of cytoplasm, may be B, T, or NK cells, 20-30%, increase with viral infections | Lymphocytes
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| Another name for platelets | thrombocytes
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| Liquid portion of whole blood | plasma
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| Liquid portion of clotted blood | serum
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