EKG Test 2 Review

On an EKG machine, standard amplitude is set at:

• 100 mm/1mV
• 10 ms/1 mV
• .10 mm/1 mV
• 10 mm/1 mV

Standard paper speed of an EKG is set at:

• 25 in/minute
• 25 mm/mV
• 2.5 mm/second
• none of the above

On an EKG graph, the X-axis represents:

• amplitude
• time
• rhythm
• all of the above

One SMALL square on an EKG graph represents __________ of time.

• .20 seconds
• .02 seconds
• .4 seconds
• .04 seconds

The image outlined in red and indicated by the arrow represents:

• standard amplitude
• gain control
• Quality Control
• all of the above

On an EKG graph, one LARGE square represents _____________ of time.

• 0.20 seconds
• 0.04 seconds
• 10 seconds
• 20 seconds

The Y-axis of an EKG graph represents:

• time
• temperature
• amplitude
• none of the above

Leads that consist of a positive pole and a negative pole are considered:

• unipolar
• bipolar

Lead I, II and III are considered ___________ leads. (check all that apply)

• augmented
• bipolar
• limb
• unipolar
• precordial

The inventor of the electrocardiogram is:

• F. N. Wilson
• Albert Einstein
• Willem Einthoven
• Bill Nye