EKG

The EKG has small pads for conductivity called?

• leads

• electrodes

• cushions

• sticky pads

An EKG measures the hearts?

• electrical activity

• rate

• rythm

• all of the above

The hear muscle is called?

• endocardium

• myocardium

• pericardium

• epicardium

each cardiac cycle takes approximately?

• 1 second

• 0.8 seconds

• 80 seconds

• 60 seconds

The average EKG has __________ leads?

• 10

• 12

• 5

• 6

The p wave is recorded when the __________contract?

• atria

• ventricles

The QRS complex is recorded when the ______________contract?

• Atria

• Ventricles

The T wave represents____________?

• Ventricular contraction

• ventricular relaxation

• Atrial contraction

The average heart rate is?

• 50-90

• 60-100

• 80-120

The first group of on the EKG strip are the _____ leads?

• I,II,III

• V1-V6

• avr, avl, avf