NHA EKG Module I Quiz

What does EKG stand for?

• Electrocardiogram

• Electrocardiology

• Electrocardiography

• Electrocardiograph

Which of the following is not a subtopic of NHA EKG Module I?

• Basic EKG Rhythms

• Electrocardiogram Interpretation

• Cardiac Anatomy and Physiology

• Advanced EKG Rhythms

What is the main purpose of an EKG?

• To measure blood pressure

• To monitor brain activity

• To detect and diagnose heart problems

• To assess lung function

Which part of the heart is responsible for pumping oxygenated blood to the body?

• Aorta

• Right ventricle

• Left atrium

• Left ventricle

What is the normal heart rate range for adults?

• 60-100 beats per minute

• 120-150 beats per minute

• 20-40 beats per minute

• 200-250 beats per minute

Which of the following is not a component of the electrical conduction system of the heart?

• Sinoatrial (SA) node

• Bundle of His

• Purkinje fibers

• Atrioventricular (AV) node

What is the correct sequence of electrical conduction in the heart?

• SA node → Bundle of His → AV node → Purkinje fibers

• SA node → AV node → Bundle of His → Atria

• SA node → AV node → Bundle of His → Purkinje fibers

• AV node → SA node → Bundle of His → Purkinje fibers

Which of the following is not a characteristic of a normal EKG waveform?

• Distinct P wave

• Regular intervals

• Irregular intervals

• Normal QRS complex

What does the QRS complex represent in an EKG?

• Repolarization of the atria

• Conduction of the SA node

• Depolarization of the ventricles

• Depolarization of the atria

What is the correct placement of the EKG leads?

• On the right arm, left arm, and left leg.

• On the head, chest, and back.

• On the right arm, right leg, and chest.

• On the right leg, left leg, and chest.