ECG Class Pre-Test

An EMT should recognize the normal range for heart rate (pulse) for an adult is...

• 20-40 beats/min

• 60-100 beats/min

• 50-150 beats/min

• 40-60 beats/min

There is/are ______ chamber(s) in the heart:

• four (4)

• two (2)

• one (1)

• three (3)

The natural pacemaker of the heart is called the ____:

• atrioventricular (AV) node

• Bundle of His

• Purkinje Fiber

• Sinoatrial (SA) node

This term describes a heart rate faster than 100 beats/min:

• tachypnea

• tachycardia

• bradycardia

• palpitations

This term describes a heart rate slower than 60 beats/min:

• polydipsia

• bradypnea

• bradycardia

• dysrhythmia

Which of the following waves represents atrial depolarization?

• U wave

• Q wave

• T wave

• P wave

Which of the following is the correct number of electrodes needed to record a 12-lead ECG?

• 12

• 5

• 10

• 6

Which of the following position is best for performing an EKG?

• Prone

• Supine

• Fowler's

• Left Lateral

Which of the following serves as a conductor of impulses during an EKG?

• Electrocardiograph

• Lead Wires

• Electrolyte Gel

• EKG paper

An EMT is preparing to record an EKG on a patient who has a history of pulmonary disease. The patient reports shortness of breath after lying on the exam table. Which of the following actions should the medical assistant take?

• Elevate the head of the bed to 45 degrees

• Tell the patient to hold their breath

• Administer oxygen to the patient

• Record the EKG with the patient standing