Human Circulatory System Quiz

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What is referred to as the general direction of the heart depolarization wave front in the frontal plane?

Electrical axis of heart (correct)

Electrical conduction system

Heart rate variability

Cardiac cycle

Which part of the heart does the lead V1-V2 correspond to?

Atrioventricular node

Left ventricle

Right ventricle (correct)

Interventricular septum

What is the name of the system shown in Figure 6.6?

Lead II system

Hexaxial system

Einthoven triangle

Lead System (correct)

Which of the following leads corresponds to the left ventricle?

V5-V6 Signup and view all the answers

What is the term for the wave front of depolarization in the heart?

Depolarization wave front Signup and view all the answers

What is the frequency range of EEG waveforms?

0.5 Hz to 30 Hz Signup and view all the answers

What is the voltage range of EEG waveforms?

5 mV to 100 mV Signup and view all the answers

Who is the author of the passage?

Ahmed N. Al-Jamal Signup and view all the answers

What is the topic of the passage?

Electricity of human bodies Signup and view all the answers

What is the primary focus of the passage?

EEG waveforms Signup and view all the answers

What is the approximate frequency range of EMG signals?

10 to 3000 Hz Signup and view all the answers

How many types of electrodes are used for EMG recording signals?

Two Signup and view all the answers

What is the primary purpose of EMG recording?

To measure muscle activity Signup and view all the answers

What is the unit of measurement for EMG signal frequency?

Hz Signup and view all the answers

What type of information can be obtained from EMG signals?

Muscle activity and movement Signup and view all the answers

What is the destination of the blood pumped out of the ventricle?

Lungs Signup and view all the answers

Where does the oxygenated blood returning from the lungs go?

Left atrium Signup and view all the answers

In right-handed individuals, the amplitude of the heart depolarization wave is typically higher on which side?

Non-dominant side Signup and view all the answers

Where are the heart depolarization waves more prominent?

Posteriorly and with closed eyes Signup and view all the answers

What is the role of the atrium in the process?

Receiving oxygenated blood from the lungs Signup and view all the answers

What is the correct sequence of blood flow?

Atrium -> Ventricles -> Pulmonary arteries -> Lungs Signup and view all the answers

What is the effect of relaxation on the heart depolarization waves?

They become more prominent Signup and view all the answers

Human Circulatory System Quiz

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