Purkinje fibers rate Study guides, Class notes & Summaries
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![ADVANCED ARRHYTHMIA EXAM PREP WITH 100% CORRECT ANSWERS ALREADY GRADED A+.](/docpics/4107158/658f36bf2a003_4107158_121_171.jpeg)
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ADVANCED ARRHYTHMIA EXAM PREP WITH 100% CORRECT ANSWERS ALREADY GRADED A+.
- Exam (elaborations) • 7 pages • 2023
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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 
 
 
 
 
Brainpower 
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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 ...
![Advent Health EKG Questions and Answers Rated A](/docpics/63cb039e69a0e_2280378.jpg)
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Advent Health EKG Questions and Answers Rated A
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Advent Health EKG Questions and Answers Rated A 
Afib The impulse originates in the Atria • The Atrial rate is > 300 and unable to measure [N/A] • No discernable P waves - PRI & Atrial rhythm cannot be measured [N/A] • The Ventricular rhythm is irregular • QRS within normal limits • If the Ventricular rate is <100 the rhythm is controlled A-fib; if the Ventricular rate is > 100 the rhythm is uncontrolled A-fib • This is a chronic rhythm for some patients Treatment: controlle...
![Prophecy EKG Exam With 100% Correct Answers 2023](/docpics/6411cd1584144_2475273.jpg)
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Prophecy EKG Exam With 100% Correct Answers 2023
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Prophecy EKG Exam With 100% Correct 
Answers 2023 
Normal sinus rhythm - Correct Answer-Regular 
Rate: 60-100 
P Wave: Present, upright 
PR Interval: 0.12-0.20 sec 
QRS: <0.12 sec 
Sinus Bradycardia - Correct Answer-Regular 
Rate: <60 
P Wave: Present, upright 
PR Interval: 0.12-0.20 sec 
QRS: <0.12 sec 
Sinus Tachycardia - Correct Answer-Regular 
Rate: 100-150 
P Wave: Present, upright 
PR Interval: 0.12-0.20 sec 
QRS: <0.12 sec 
Premature Atrial Contraction - Correct Answer-IRREGUL...
![Advanced – Dysrhythmias Questions And Answers](/docpics/3044456/64ac28b46d437_3044456_121_171.jpeg)
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Advanced – Dysrhythmias Questions And Answers
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Excitability - Answer- the ability of non-pacemaker heart cells to respond to an electrical impulse that begins in pacemaker cells. 
 
Depolarization - Answer- occurs when the normally negatively charged cells within the heart muscle develop a positive charge. 
 
Conductivity - Answer- the ability to send an electrical stimulus from cell membrane to cell membrane. As a result, excitable cells depolarize in rapid succession from cell to cell until all cells have depolarized. Ex: the wave of depol...
![Relias Dysrhythmia Basic A 2023 with 100% correct questions answers](/docpics/642f356e77687_2563287.jpg)
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Relias Dysrhythmia Basic A 2023 with 100% correct questions answers
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Normal sinus rhythm 
Regular 
Rate: 60-100 
P Wave: Present, upright 
PR Interval: 0.12-0.20 sec 
QRS: <0.12 sec 
 
 
 
Sinus Bradycardia 
Regular 
Rate: <60 
P Wave: Present, upright 
PR Interval: 0.12-0.20 sec 
QRS: <0.12 sec 
 
 
 
Sinus Tachycardia 
Regular 
Rate: 100-150 
P Wave: Present, upright 
PR Interval: 0.12-0.20 sec 
QRS: <0.12 sec 
 
 
 
Premature Atrial Contraction 
IRREGULAR 
Rate: depends on underlying rhythm 
P wave: Present or hidden in T wave 
PR Interval: 0.12-0....
![PCT NHA EXAM WITH 100% CORRECT ANSWERS 2023](/docpics/640836b275e12_2448104.jpg)
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PCT NHA EXAM WITH 100% CORRECT ANSWERS 2023
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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...
QUESTIONS AND ANSWERS
![Anatomy & Physiology Proctored Exam Study Guide latest updated](/docpics/64104ce8e28b9_2470236.jpg)
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Anatomy & Physiology Proctored Exam Study Guide latest updated
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The largest vein in an animal's body is: - Answer- vena cava 
 
If immature neutrophils are observed in peripheral blood, the condition is called a: - Answer- left shift 
 
What type of cell is responsible for immunity against intracellular pathogens? - Answer- T-Lymphocytes 
 
The ductus arteriousus in a fetus allows blood to flow directly: - Answer- into the aorta from the pulmonary artery 
 
During hemostasis, which process occurs first? - Answer- Platelet adhesion 
 
Jaundice (icterus) coul...
![Straighterline BIO 202 A&P2 - exam 1](/docpics/63c1b10ba4494_2255255.jpg)
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Straighterline BIO 202 A&P2 - exam 1
- Exam (elaborations) • 12 pages • 2023
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A&P 2 Exam 1 Question 1 Incorrect 0.00 points out of 1.00 Flag question Question text A person with O blood type has which of the following? Select one: a. A antigens, and B antibodies b. B antigens, and A antibodies c. No antigens, and A and B antibodies d. A and B antigens, and no antibodies Feedback The correct answer is: No antigens, and A and B antibodies Question 2 Correct 1.00 points out of 1.00 Flag question Question text A pituitary tumor that causes chronic secretion of TSH would resul...