Mason EKG mock exam 81-90

which of the following EKG findings differentiates accelerated idioventricular rhythm from junctional rhythm?

• accelerated idioventricular rhythm has P waves

• the ventricular rate in accelerated idiovetricular rhythm is slower than junctional rhythm

• accelerated idioventricular rhythm is indiacted by an irregular rhythm

• Accelerated idioventricular rhythm has wide QRS complexes

an EKG tech is preparing to preform a standard 12 lead EKG tracing on a patient who has a heart rate of 150/mm. which of the following speed controls should the Tech select

• 5mm/sec

• 10mm/sec

• 25mm/sec

• 50mm/sec

an EKG tech should recognize the patients are restricted from preforming which of the following activities while wearing a Holter monitor?

• Yoga

• smoking

• Sexual activity

• showering

which of the following methods can be used to id irregular rhythms?

• 6 sec method

• 300 method

• 1500 method

• 1100 method

an EKG tech notices an accelerated idioventricular rhythm on a tracing. which of the following actions should the tech take next?

• tell the findings and ask if they feel different

• call for help and stay with them

• ask for a second opinion

• upload the tracing to the online chart

an EKG tech notices that a patient is experiencing a variation in respiration that correlates with the EKG tracing. which of the following irregularities does it indicte?

• Sinus arrest

• Sinus dysrhythmia

• Tachycardia

• Bradycardia

which of the following leads is created between the left arm and left leg?

• Lead aVL

• Lead aVF

• Lead III

• Lead I

which of the following EKG machine functions should an EKG tech use to control and regulate the height of EKG wave forms on the tracing?

• speed

• output display

• artifact filter

• gain

an EKG tech is reviewing the EKG tracing of a patient who has ventricular hypertrohpy. which if the following findings should the tech expect?

• an ST segment depression of 2 mm

• increased amplitude of the QRS complex

• prolongation of the PR interval

• irregularity of the P-P interval

which of the following interval should be used to determine the regularity of ventricular depolarization?

• P-P wave interval

• R-R interval

• QT interval

• PR interval