Cardiovascular System Quiz-4

What does ECG stand for?

• Electrocardiogram

• Electrocardiograph

• Electrocardiopulmonary

• Electrocardiology

How many types of ECG are mentioned in the text?

• 3

• 4

• 5

• 6

What is the main purpose of Holter Monitoring?

• Monitoring heart activity

• Monitoring blood sugar levels

• Monitoring lung function

• Monitoring blood pressure

Which of the following is NOT an indication for ECG?

• Electrolyte imbalance

• Inflammatory diseases of the heart

• Cardiac dysrhythmias

• Respiratory diseases

How many electrodes are placed on the patient for ECG?

• 6

• 8

• 12

• 10

Which lead in ECG looks at the lateral area of the heart?

• aVR

• II

• V6

• V3

What does the T wave represent in an ECG?

• Ventricular relaxation

• Atrial contraction

• Atrial relaxation

• Ventricular contraction

How many small squares are there in one large square on ECG paper?

• 2

• 3

• 5

• 4

How can you determine if the rhythm on an ECG is regular?

• Count the number of P waves

• Check the ST segment

• Align the R wave tips

• Analyze the QRS complex

What is the formula to calculate heart rate using ECG?

• 1500 divided by number of small boxes between two R waves

• 300 divided by number of large boxes between two R waves

• Count the number of QRS complexes within 30 large boxes

• Multiply the number of QRS complexes by 10