L and r bundle branches Study guides, Class notes & Summaries
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EKG Certification Exam Questions & Answers 2024
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EKG Certification Exam Questions & Answers 2024 
 
 
Left Ventricular Hypertrophy - ANSWER-R wave in V5 is increased and S wave in V1 is increased 
Both are added together and should be greater than 35 mm 
 
Describe the placement of the V5 Lead - ANSWER-5th intercoastal space halfway between V4 and V6 on the L side of the heart 
 
_________is when the PR interval becomes longer and longer until a beat is skipped - ANSWER-2nd Degee AV block: Mobitz 1 
 
What does Systolic blood pressure mean? - ...
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CASAL II OA LATEST 2023 WITH CORRECT SOLUTIONS
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SA node correct answers pacemaker, 60-100bpm,Depolarization R atria, p wave, 
 
AV node correct answers Gatekeeper, intraseptal, Allows delay for blood so no back up, 40-60 bpm 
 
Bundle of His correct answers Intraventricular, 40-60bpm, sends to purkinje fibers for ventricular depolarization 
 
L and R bundle branches correct answers 20-40bpm, 
 
Purkinje fibers correct answers 20-40bpm, ventricular depolarization (QRS) complex 
 
Preload correct answers LVEDP determined by LVEDV 
 
Afterload c...
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nbme anatomy shelf Exam 2023
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Where and why are lumbar punctures performed? - Answer- Spinal Block -> Anesthetic (into epidural space) 
Spinal Tap -> CSF extraction (into subarachnoid space)W 
 
B/W L3/L4 or L4/L5 
NB: Posterior to this is *cauda equina* 
 
Where does a *herniated intervertebral* disk occur? What causes it? - Answer- Occurs b/w L4/L5 or *L5/S1* and C5/C6 or C6/C7 
NB: affects lower spinal nerve # 
 
Degeneration of annulus fibrosis followed by *sudden compression* of nucleus pulposus 
 
What is the dif...
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CSEP CEP Study Guide Exam Questions & Answers 2024/2025
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CSEP CEP Study Guide Exam Questions & Answers 2024/2025 
 
 
Autorythmic - ANSWERSSelf Exciteable, and repeatedly generate action potential eg. natural pace maker 
 
Cause of fundamental heart rhythm - ANSWERSNOT by nerve impulses or hormones, rather electrical impluse 
 
SA Node - ANSWERSMain natural pacemaker, faster conduction than autorhytmic fibres 
 
The Heart's electrical flow - ANSWERSSA Node to AV Node - AV Node to AV Bundle - Bundle of HIS to L and R branches to Apex and Purkinje FIbr...
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UCLA Phlebotomy Exam 4 | Questions and Verified Answers| 100% Correct| A Grade (2024/ 2025)
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UCLA Phlebotomy Exam 4 | Questions and Verified Answers| 100% Correct| A Grade (2024/ 2025) 
 Left AV valve function 
closes when the left ventricle contracts and prevents blood from flowing back into left atrium 
 
 
 
QUESTION 
 Pulmonary semilunar valve 
 
 
Answer: 
between right ventricle and pulmonary artery 
-at the entrance of pulmonary artery 
 
 
 
QUESTION 
 right semilunar valve function 
 
 
Answer: 
closes when the right ventricle relaxes and prevents blood from flowing back t...
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Basic ECG Interpretation Challenge Test Questions With Complete Solutions
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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...
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BIO 669 Quiz 4- Cardiovascular Latest;(2024/2025) Questions and Answers / 100% Correct/ (78 Q & A)
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BIO 669 Quiz 4- Cardiovascular Latest;(2024/2025) Questions and Answers / 100% Correct/ (78 Q & A) 
 
BIO 669 Quiz 4- Cardiovascular Latest;(2024/2025) Questions and Answers / 100% Correct/ (78 Q & A) 
 
1.	Which of the following conditions is the most immediately at risk for serious complications? 
 
a.	Unstable angina 
 
b.	Prinzmetal angina 
 
c.	STEMI 
 
d.	NSTEMI 
 
 
2.	Thromboangiitis obliterans (Buergers disease) is an autoimmune condition that is: 
 
a.	A result of over activation of ...
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Cardiac Telemetry Exam Questions And Answers
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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...
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NURS 420 Exam #1 Questions and Answers | 100% Verified and Updated
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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 ...
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CCT EKG Certification Exam Questions With Complete Solutions
- Exam (elaborations) • 14 pages • 2023
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Left Ventricular Hypertrophy correct answer: R wave in V5 is increased and S wave in V1 is increased 
Both are added together and should be greater than 35 mm 
 
Describe the placement of the V5 Lead correct answer: 5th intercoastal space halfway between V4 and V6 on the L side of the heart 
 
_________is when the PR interval becomes longer and longer until a beat is skipped correct answer: 2nd Degee AV block: Mobitz 1 
 
What does Systolic blood pressure mean? correct answer: peak blood pre...
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