ECG and Cardiology Basics Quiz
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Questions and Answers

The PR segment represents electrical conduction through the ______

  • Sinoatrial (SA) node and atria
  • Atrioventricular (AV) node and bundle of His (correct)
  • Bundle of His and ventricles
  • Atria and atrioventricular (AV) node
  • Blood entering the right atrium is ______

  • Deoxygenated (correct)
  • Thin
  • Thick
  • Oxygenated
  • Which of the following can EKG graph paper be used to measure?

  • Amplitude of electrical activity (correct)
  • Blood oxygen level
  • Respiratory rate
  • Blood pressure
  • An axillary temperature is typically ______

    <p>Lower than an oral temperature</p> Signup and view all the answers

    AHA is the abbreviation for ______

    <p>American Heart Association</p> Signup and view all the answers

    What occurs during systolic pressure?

    <p>The ventricles contract</p> Signup and view all the answers

    Where is lead V2 of an ECG typically placed?

    <p>Fourth intercostal space</p> Signup and view all the answers

    Where do premature ventricular contractions (PVCs) originate?

    <p>Ventricles</p> Signup and view all the answers

    What is the name of the line connecting a T wave and the next P wave on an ECG?

    <p>Isoelectric line</p> Signup and view all the answers

    What is the function of the pericardium?

    <p>To enclose the heart</p> Signup and view all the answers

    What does the T wave represent?

    <p>Ventricular repolarization</p> Signup and view all the answers

    What is syncope?

    <p>Loss of consciousness</p> Signup and view all the answers

    Which body system sends, receives, and interprets information and coordinates internal body functions?

    <p>Nervous system</p> Signup and view all the answers

    What is the term for the rate at which the ventricles contract?

    <p>Ventricular rate</p> Signup and view all the answers

    What is the layer of tissue that lines the heart's inner chambers called?

    <p>Endocardium</p> Signup and view all the answers

    Which description fits the outer layer of the heart wall?

    <p>The outer layer that prevents friction with surrounding tissues</p> Signup and view all the answers

    In first-degree AV block, how would you describe the PR interval?

    <p>Consistently long</p> Signup and view all the answers

    What is another name for the Bicuspid valve?

    <p>Mitral valve</p> Signup and view all the answers

    What structure surrounds and encloses the heart?

    <p>Pericardium</p> Signup and view all the answers

    What is described as tachycardia?

    <p>Heart rate faster than 100 beats per minute</p> Signup and view all the answers

    Which statement accurately describes the space in the chest between the lungs?

    <p>Mediastinum</p> Signup and view all the answers

    What is the innermost lining of the heart called?

    <p>Endocardium</p> Signup and view all the answers

    What is the primary purpose of a Holter monitor?

    <p>To diagnose arrhythmias</p> Signup and view all the answers

    Which of the following describes characteristics of atrial tachycardia?

    <p>Atrial rate of 250-300 bpm, regular P-P and R-R intervals</p> Signup and view all the answers

    Swelling due to fluid buildup in the tissues is called what?

    <p>Edema</p> Signup and view all the answers

    Which term refers to an abnormal accumulation of fluid in the body's tissues?

    <p>Edema</p> Signup and view all the answers

    What is the medical term for swelling caused by fluid retention?

    <p>Edema</p> Signup and view all the answers

    Which of the following conditions is characterized by swelling from fluid buildup in tissues?

    <p>Edema</p> Signup and view all the answers

    Which condition is primarily a result of excess fluid in the tissues leading to swelling?

    <p>Edema</p> Signup and view all the answers

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