ekg operations

Front

In order to get a clear EKG tracing the patient must be lying:

Back

in the supine position

Front

Where will the electrodes be placed to record the augmented leads of the 12 lead EKG?

Back

arms and legs

Front

Which of the following describes how the EKG machine works? Options: records the electrical activity of the heart, makes a picture of the heart, makes a tracing of the heart and lung activity, records the impulse from the brain

Back

records the electrical activity of the heart

Front

The EKG machine can pick up interference from which of the following sources? other electrical machinery, electrical wall outlets, the patient

Back

all of the above

Front

To measure the atrial rate on the EKG, you will count which of the following? the QRS complexes, the P wave, the R waves, the PR intervals

Back

the P wave

Front

The U wave can be defined as which of the following? is sometimes seen, but not often, it can mean an electrolyte problem (K decrease), It may be normal for that patient, all of the above are true of the U wave

Back

all of the above are true of the U wave

Front

Which information must be used to label an EKG when the EKG machine does not automatically label the strip? Options: patient name and ID number, time and date the EKG was done, the EKG technician's initial, all of the above

Back

all of the above

Front

Which of the following leads are recorded from the 6 chest electrodes? lead 1, lead 2, lead 3, AVR, AVL, AVF, leads V1-V6, both A and B

Back

leads V1-V6

Front

How many leads are recorded strictly from the 4 extremities electrodes?

Back

6

Front

The standardization of the EKG machine on each machine tells the technician which of the following? testing of the amplifier sensitivity, stylus response, check of the instrument's settings, all of the above

Back

all of the above