T wave represents Study guides, Class notes & Summaries
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AMCA EKG - Practice Questions- WITH COMPLETE SOLUTIONS
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what is the most accurate method for acquiring heart rate? Correct Answer: 1500 method 
 
As an impulse moves toward a positive electrode it produces what type of deflection? Correct Answer: upward 
 
on ECG papers horizontal measurements are used to determine what? Correct Answer: heart rate 
 
the initiation of the impulse in the SA Node and its movement through the atria produce? Correct Answer: P-wave 
 
repolarization of the ventricles is represented by the? Correct Answer: T-wave 
 
a...
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MCAT entrance exam all subjects combined questions & answers latest update
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m 
 
 
 
 
 
 
1.	Which of the following is the mRNA start codon in most cases? 
 
A.	UAA	B. AGU	C. AUG	D. UGA 
 
 
 
2.	Which of the types of RNA is the smallest? 
 
A.	mRNA	B. tRNA	C. rRNA	D. 
 
 
 
3.	Which of the following is not considered a pyrimidine? 
 
A.	C	B. T	C. U	D. G 
 
 
 
4.	Which of the following is paired correctly? 
 
A.	A-G	B. C-G	C. A-U	D. G-T 
 
 
 
5.	Which of the following characterizes a Western blot? 
 
A.	Antibody/protein hybridization	B. DNA/RNA combination	C. RNA ...
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CCT - Practice Test Questions and 100% Correct Verified Answers
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1. What does the T wave represent on an ECG? 
a. Atrial depolarization 
b. Ventricular depolarization 
c. Atrial repolarization 
d. Ventricular repolarization - Answer 11. D: Repolarization of the ventricles begins 
immediately after the QRS. The T wave represents the final and more rapid phase of 
that repolarization. Atrial depolarization is represented by the P wave. Ventricular 
depolarization is represented by the QRS complex. Atrial repolarization is not seen on 
the ECG.
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Med Surg II Exam 1 Questions and Answers Latest Updated Version.
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Med Surg II Exam 1 Questions and Answers Latest Updated Version. 
FOCUS POINTS EXAM 1 CARDIAC (MED SURG II EXAM 1) 
Dysrhythmias 
Abnormal heart rate or rhythm 
Caused by a disturbance in electrical conduction of the heart, not by abnormal heart structure 
May be benign or have lethal consequences 
Cardiac output = stroke volume x HR 
Patho 
● 5 unique properties of cardiac cells 
○ Automaticity → spontaneously initiate an electrical impulse 
■ Changes in automaticity cause tachydysrhyth...
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RDCS Questions and Answers
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Pacemaker 
o :# SA Node 
Backup to SA node Impulse pauses to prevent simultaneous contraction of the atria and 
ventricles 
o :# AV Node 
Why is the SA node the primary pacemaker? 
o :# The SA node has the highest intrinsic rate of any cardiac tissue 
Intrinsic rate of SA node 
o :# 60-70 per minute 
Intrinsic rate of AV node 
o :# 50 per minute 
Intrinsic rate of myocardium 
o :# 30 per minute 
The wave of contraction or depolarization moves from the endocardium to the 
2024/2025 2 | P a g e 
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SPI ARDMS Exam Review Final Questions and Answers
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SPI ARDMS Exam Review Final 
Questions and Answers 
ultrasound imaging type in which pulses are reflected and used to produce a display - 
CORRECT ANSWER-pulsed wave 
brightness of the dots on image - CORRECT ANSWER-amplitude 
round-trip travel time per cm in soft tissue - CORRECT ANSWER-13 microseconds 
A line produced on a display that represents ultrasonic echoes returning from the body. 
A sonographic image is composed of many such lines. - CORRECT ANSWER-scan line 
Type of image presented...
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Bates' Guide To Physical Examination and History Taking - Chapters for Midterm Summer 2023_ Questions & Answers.
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Bates' Guide To Physical Examination and History Taking - Chapters for Midterm 
A 54‐year‐old diplomat working at the United Nations reports occasional chest pain and a sense of tightness in his chest when particularly stressed over work deadlines. The patient is 6 feet 4 inches tall. He has a temperature of 98.6ºF and blood pressure of 140/78. He has a cut over one eye that he says is "from shaving."Which of the following represents subjective information about this patient? 
a) Blood ...
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ECG Lead System Questions And Answers With Complete Solutions
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Electrocardiogram (ECG) correct answer: Since you can't see the heart beating we use a ECG to provide a picture that replicates the actual cardiac issue. 
 
Myocardial Infraction (MI) correct answer: Heart Attack 
 
-Have abnormal rhythms. 
-Death of cardiac muscle due to ischemia 
 
Doe the ECG machine monitor or control the hearts rhythm? correct answer: Only monitors 
 
Straight line when machine is turned on but not connected to the patient correct answer: Isoelectric = no current 
 ...
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Med Surg II Exam 1 Questions and Answers Latest Updated Version.
- Exam (elaborations) • 18 pages • 2024
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Med Surg II Exam 1 Questions and Answers Latest Updated Version. 
FOCUS POINTS EXAM 1 CARDIAC (MED SURG II EXAM 1) 
Dysrhythmias 
Abnormal heart rate or rhythm 
Caused by a disturbance in electrical conduction of the heart, not by abnormal heart structure 
May be benign or have lethal consequences 
Cardiac output = stroke volume x HR 
Patho 
● 5 unique properties of cardiac cells 
○ Automaticity → spontaneously initiate an electrical impulse 
■ Changes in automaticity cause tachydysrhyth...
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CCI Echocardiography Practice Questions with Complete Solutions
- Exam (elaborations) • 18 pages • 2024
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CCI Echocardiography Practice 
Questions with Complete Solutions 
 
Which Aortic leaflet is the superior one in the PSLA Right Leaflet 
 
Name the tricuspid leaflets Posterior and Anterior 
 
The coronary arteries come off of the.. Sinus of Valsalva 
 
Name the vessels coming off the arch and the most proximal or distal. Innominate 
(proximal), left carotid, and the left subclavian (distal) 
 
What cardiac pathology is associated with bicuspid aortic valves? Coarctation of the Aorta 
 
Where do ...
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