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State Prep 76-100

25 questions of the next part of state exam

QuestionAnswer
76. What does the T wave represent? Ventricular Repolarization.
77. Ventricular rate is determined by measuring from _________. R wave to R wave.
78. What is syncope? Loss of Consciousness.
79. What does the P wave represent? Atrial depolarization.
80. Which body system send, recieves, and interprets information and coordinates internal body functions in response to environmental conditions? Nervous.
81. What is the epicardium? The outer layer of the heart wall.
82. In the first-degree AV block, the PR intervals is _________. Greater than 0.2 seconds.
83. How long is a normal PR interval? 0.12 to 0.20 seconds.
84. Which electrolyte triggers the first step in an electrical impulse in the heart? Sodium.
85. The _________ seperates the right and left ventricles. Intraventricular septum.
86. What is the mediastinum? The space between the lungs in the middle of the chest.
87. What happens to an electrical signal in the atrioventricular (AV) node? It slows down before traveling to the ventricles.
88. What represents depolarization of ventricles on an EKG? QRS complex.
89. Which body system controls involuntary actions? Autonomic nervous system.
90. What represents repolarization of ventricles on an EKG? T Wave.
91. What measurement represents ventricular depolarization and repolarization on an EKG? QT interval.
92. What is the term for an extra beat that appears on an EKG that is NOT part of an arrhythmia? Ectopic beat.
93. What type of test is used to evaluate the heart´s function during physical activity? Stress test.
94. What is the term for a metallic clip on a EKG machine that helps the adhesive make contact with a lead wire? Electrode.
95. What is the term for the difference in electrical charge between electrodes? Voltage.
96. Electrodes are connected to the EKG machine by _________. Lead wires.
97. How many leads does a Holter monitor use? 5.
98. Which of the following term refers to several EKG waves considered together? Complex.
99. What is the name for rhythm on an EKG that is noted to come and go? Transient.
100. Before performing an EKG on a patient, it is important to have the patient´s _________. Consent.
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