Sinus node - Study guides, Class notes & Summaries
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EKG Rhythms Questions and Answers Already Passed
- Exam (elaborations) • 21 pages • 2023
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Normal Sinus Rhythm 
60-100 bpm 
all complexes normal and evenly spaced (P, QRS, T) 
Sinus Arrest 
- SA node doesn't fire 
- notice absence of P-wave for a complete cycle (a missed cycle) 
00:0201:28 
Sinus arrhythmia 
all complexes normal but rhythmically irreg 
- normal finding (esp in young pts) that has to do with breathing (rate: inhale-increase, exhale- 
decrease)
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PCT NHA EXAM WITH 100% CORRECT ANSWERS 2024/2025
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PCT NHA EXAM WITH 100% CORRECT 
ANSWERS 2023 
1. The lavender-topped tube contains: 
a. No additive 
b. SPS 
c. Na+ citrate 
d. EDTA - Correct answer-d. EDTA 
1. The additive in a gray-topped tube is: 
a. K+ oxalate 
b. Na+ citrate 
c. EDTA 
d. None of the above - Correct answer-a. K+ oxalate 
1. Which of the needle has the largest gauge? 
a. 16 g 
b. 20 g 
c. 21 g 
d. 25 g - Correct answer-a. 16 g 
1. Which of the following gauge needle is used for the typical adult venipuncture? 
a. 23 g 
b. 1...
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ADVANCED ARRHYTHMIA EXAM PREP WITH 100% CORRECT ANSWERS ALREADY GRADED A+.
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Conduction System 
SA Node 
AV Node 
Bundle of His 
Right and Left bundle branches 
Purkinje Fibers 
 
 
 
SA Node 
primary pacemaker 
rate 60-100 
 
 
 
 
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AV Node 
slightly delays impulse from atria to ventricles 
 
 
 
Bundle of His 
conducts impulses to left and right bundle branches 
 
 
 
Purkinje Fibers 
relay impulses to ventricular myocardium 
 
 
 
Depolarization ...
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TEST BANK - ALL ATI MED SURG PROCTORED EXAM 2019 CARDIOVASCULAR HEALTH STUDY GUIDE QUESTIONS AND ANSWERS (100%CORRECT).
- Exam (elaborations) • 253 pages • 2024
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TEST BANK - ALL ATI MED SURG PROCTORED EXAM 2019 CARDIOVASCULAR HEALTH STUDY GUIDE QUESTIONS AND ANSWERS (100%CORRECT). 
ATI MED SURG PROCTORED EXAM 2019 – CARDIO STUDY GUIDE 
A nurse is performing discharge teaching with a client who has an implantable cardioverter 
defibrillator (ICD) placed. Which client statement indicates effective teaching? 
Correct response: 
• "I'll keep a log of each time my ICD discharges." 
The nurse is caring for a client scheduled for a transesophageal echoca...
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CCT-CCI questions with correct answers|100% VERIFIED|42 PAGES
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CCT-CCI questions with correct answers 
On a cardiac rhythm strip, which of the following can determine if the patients heart rate is regular? 
 
The RR intervals being equal. 
The PP intervals being equal. 
The RR intervals being unequal. 
Both A and B Answer If the RR or PP intervals are not equal, then the rhythm is irregular. One of the most uncommon rhythms 
that is always unequal is atrial fibrillation. 
 
If the physician orders a treatment for a patient that is supposed to help prevent ...
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NHA CET EXAM PREP Exam | Questions & 100% Correct Answers (Verified) | Latest Update | GradeA+
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What is the primary pacemaker? 
Correct Answer: SA Node 
What is a more medically correct term for the clotting of an artery? 
Correct Answer: Occlusion 
When the Atria depolarize (or contract), what is shown on the EKG tracing? 
Correct Answer: P wave 
An irregular heartbeat that is common among children is called _____ _____. 
Correct Answer: Sinus Arrhythmia 
1 sm box on an EKG strip denotes 0.04 seconds of time. How long is this represented in 
millimeters? 
Correct Answer: 1 mm 
2 
What is...
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CARDIAC- HEALTHSTREAM TELEMETRY TEST EXAM 2023
- Exam (elaborations) • 7 pages • 2023
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CARDIAC- HEALTHSTREAM 
TELEMETRY TEST EXAM 2023 
along what axis is time measured in an EKG paper? - CORRECT ANSWER-across a 
horizontal axis 
what does each small square on an EKG strip represent? - CORRECT ANSWER-1 mm 
in length 
0.04 seconds 
what does each large square on an EKG strip represent? - CORRECT ANSWER-5 mm 
in length 
0.2 seconds 
how can a regular rhythm be calculated on an EKG strip? - CORRECT ANSWER-when 
the rhythm is regular, the heart rate is 250 divided by the number o...
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NUR 635 Advanced Pharmacology Mid-Term Exam (Correctly answered with Rationales)
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The process by which the body break down and coverts a medication into active subtance is know as metabolism The term NOT associated with the pharmacokinetics of a drug is Pharmacodynamics R ationale: Pharmacokinetics can be simply described as the study of 'what the body does to the drugs' and includes: the rate and extend to which drugs are absorbed and distributed to body tissue; the rate and pathways by which drugs are eliminated from the body by metabolism and excretion; and the relations...
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CALAOMS EXAM QUESTIONS WITH COMPLETE SOLUTIONS LATEST UPDATED 2024 (GRADED)
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CALAOMS EXAM QUESTIONS WITH COMPLETE SOLUTIONS LATEST UPDATED 2024 (GRADED) Another name for the Sympathetic Nervous System is the Cholinergic System. True 
or False? - Answer False 
Name the two systems that comprise the autonomic nervous system: - Answer 
Parasympathetic and sympathetic 
The heart is divided into _____ chambers. The upper chambers are called _____ 
while the lower chambers are called _____. - Answer 4, atria, ventricles 
Continue the pathway of the blood flow: From the lungs w...
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KAISER EKG TEST STUDY GUIDE GRADED A+
- Exam (elaborations) • 3 pages • 2024
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What drug is used to treat sinus bradycardia? - Answer-Atropine 0.5mg 
Do you pace sinus bradycardia? - Answer-Yes, with external or transvenous pacemakers 
What drugs should you HOLD with sinus bradycardia? - Answer-Digoxin and beta blockers 
How do you treat sinus tachycardia? - Answer-treat the underlying cause 
What drugs are used to treat sinus pause/block? - Answer-Atropine 0.5mg or epinephrine 
What type of pacemaker is used to treat sinus node disease (sinus pause/block)? - Answer-Atrial...
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