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Crat exam analysis questions_ examedge part 1 Questions and answers
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Crat exam analysis questions/ examedgepart 1
AAI pacemakers are not used in which of the following conditions? - correct answer-AV block
Cardiac valves which have half-mooned shaped cusps would be considered which of the
following? - correct answer-Pulmonic valves
Conditions unrelated to respiration may produce sinus arrhythmia, such as all of the
following except? - correct answer-Conditions involving decreased intracranial pressure
During diastole, when the ventricles relax, it allows for which of the following to occur? -
correct answer-Allows the atria to create space for receiving more blood
Early ventricular repolarization would be indicated by which of the cardiac complex
segments? - correct answer-ST
ECG graph paper consists of precisely spaced horizontal lines that represent time measured
in millimeters, 25 mm is equal to which of the following increments of time? - correct
answer-1 second
If ischemia is repaired in the AV node, it will have which of the following effects? - correct
answer-Restores normal function
In the QRS complex, which of the following is represented by the S wave? - correct
answer-Conduction of the electrical impulse through both ventricles
Junctional arrhythmias originate in which of the following - correct answer-Atrioventricular
junction
Junctional escape rhythms happen on which of the following leads when the "P" wave
occurs? - correct answer-Leads 2, 3, and aVF
Of the following, which would not be indicative of ventricular fibrillation? - correct
answer-Waves would be seen with every other complex
One of the five basic changes that are evident on the ECG tracing from complications that
represents failure to depolarize is known as which of the following? - correct answer-Loss of
capture
Sinus arrest occurs when the SA node fails to generate an impulse, which can be caused by
which of the following? - correct answer-Heart disease
Stimulation of the carotid sinus that causes episodes of asystole resulting in recurrent
syncope is known as which of the following? - correct answer-Hypersensitive carotid sinus
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