Purkinje fibers rate Study guides, Class notes & Summaries

NURS 7001 Exam 2 Questions & Answers Ch. 35. Dysrhythmias - EKG Interpretation Polarization - ANSWER->At rest Depolarization - ANSWER->Contraction Repolarization - ANSWER->Recovering, or return to resting What is the electrical conduction system of the heart? - ANSWER->SA (sinoatrial) node, through atria, AV (atrioventricular) node, bundle of his, bundle branches, purkinje fibers SA (sinoatrial) Node - ANSWER->Primary pacemaker Located in upper right atrium Inherent 60-1...

Cardiac Telemetry Exam Questions And Answers Normal Conduction System -SA Node = Primary Pacemaker of the Heart, rate of 60-100 bpm -Internodal Pathways = Pathways connecting SA Node and AV Node -AV Node = Backup pacemaker, rate of 40-60 bpm -Bundle of His = splits nerve fibers down Left & Right Sides, His-Purkinje is conduction system of heart -L & R Bundle Branches = lead to left & right of the myocardium -Purkinje Fibers / Network = ends of the muscle, last escape pacemaker sites rat...

BIO235 Final exam questions - CH 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29. Actual Exam Questions Included. Updated 2024. Which of the following terms identifies the anatomical region found between the lungs that extends from the sternum to the vertebral column and from the first rib to the diaphragm? a) Epicardium b) Abdominal cavity c) Pericardium d) Mediastinum e) Thoracic cavity d) Mediastinum The membrane that surrounds and protects the heart is called the a) pericardium. b) p...

SHARP EKG Exam Questions And Answers What are the two basic kinds of cardiac cells? - ANS 1. myocardial muscle cells 2. myocardial pacemaker cells What are the 4 primary cell characteristics? - ANS 1. Automaticity 2. Excitability 3. Conductivity 4. Contractility What are the two major ions that affect cardiac function? - ANS 1. sodium 2. potassium What are the primary ions inside the cell? - ANS Potassium What are the primary ions outside the cell? - ANS Sodium D...

What are the 6 parts of the cardiac conduction cycle? correct answer: -SA node -Internodal pathways -AV node -Bundle of His -R and L bundle branches -Purkinje fibers What is the SA node? correct answer: -Small cluster of cells located in the upper R atrium *-Pacemaker of the heart* What are internodal pathways? correct answer: Impulses sent by the SA node that travel through the atrial muscle fibers via the intra-atrial pathways Allows for simultaneous depolarization and contra...

NURS 420 Exam #1 Questions and Answers | 100% Verified and Updated a wide QRS is defined as - Answer-greater than .12 sec Conduction system of the heart - Answer-SA node, AV node, bundle of His, r and l bundle branches, and Purkinje fibers What is the P wave of an ECG? - Answer-atrial depolarization What is the QRS complex of an ECG? - Answer-ventricular depolarization and atrial repolarization What is the T wave of an ECG? - Answer-ventricular repolarization PR interval - Answer-delay ...

CASAL II OA Exam Questions with All Correct Answers SA node - Answer-pacemaker, 60-100bpm,Depolarization R atria, p wave, AV node - Answer-Gatekeeper, intraseptal, Allows delay for blood so no back up, 40-60 bpm Bundle of His - Answer-Intraventricular, 40-60bpm, sends to purkinje fibers for ventricular depolarization L and R bundle branches - Answer-20-40bpm, Purkinje fibers - Answer-20-40bpm, ventricular depolarization (QRS) complex Preload - Answer-LVEDP determined by LVEDV ...

Basic Dysrhythmias Part I & II Questions & Answers A+ 1 / 29 Pacemakers of the Heart P wave AV node conduction AV Valves QRS complex Sinoatrial (SA) node Atrioventricular (AV) node Bundle of His Bundle Branches Purkinje Fibers -SA node: p wave -SA node to AV node: PR segment -Impulse travels from Bundle of His to Bundle branches and then to Purkinje fibers: QRS complex -Repolarization of ventricles: T wave sinoatrial node (SA node) starts an im￾pulse, as the wave of depolari...

Critical Care Exam 1 Questions and Answers 100% Pass P wave - Correct Answer ️️ -Depolarization of the atria PR interval - Correct Answer ️️ --Normal is 0.12 to 0.2 seconds - onset of atrial depolarization until onset of ventricular polarization QRS complex - Correct Answer ️️ --Normal is 0.06 to 0.11 seconds -Ventricular depolarization -systole T wave - Correct Answer ️️ --appears after QRS complex - Ventricular repolarization -Spiked T-wave occurs with hyperkalemia U...

Dysrhythmia Stuff AHN 447 Questions And Answers We want the sinus node pacing the heart. Depolarization- _______ Repolarization- ________ and refilling - Answer-Contraction; relaxing At rest there is a _____ charge inside the cell and a positive charge outside the cell Na+ is most plentiful ______ the cell and K+ is most plentiful inside the cell. When the muscle depolarizes Na rushes ___ and K rushes ___ in a wave pattern - Answer-negative; outside; in; out For a cell to depolarize...