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Anatomy and Function of the Mammalian Heart Quiz

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Which chamber of the heart receives oxygen-rich blood from the lungs?

Left atrium

Explanation

Receiving oxygen-rich blood from the lungs.

What is the function of the heart valve?

To prevent the backflow of blood

Explanation

Preventing blood from flowing backward.

What is the approximate resting heart rate of an average adult?

70-80 beats per minute

Explanation

Average resting heart rate.

Which blood vessel carries deoxygenated blood from the heart to the lungs for oxygenation?

Pulmonary artery

Explanation

Carrying deoxygenated blood to the lungs.

Which of the following is NOT a valve of the heart?

Bicuspid valve

Explanation

Bicuspid valve is a heart valve.

Which of the following is not a major blood vessel connected to the heart?

Esophagus

Explanation

Esophagus is not a blood vessel.

What is the sinoatrial node (SA node) responsible for?

Generating electrical impulses to regulate heart rhythm

Explanation

Generating electrical signals for heart rhythm.

What is the term for the relaxation phase of the heart cycle?

Diastole

Explanation

Relaxation phase of the heart cycle.

Which artery supplies oxygenated blood to the heart muscle itself?

Coronary artery

Explanation

Supplying oxygenated blood to the heart muscle.

#10

What is the term for the network of specialized cells that conduct electrical impulses through the heart?

Purkinje fibers

Explanation

Specialized cells for electrical conduction.

#11

Which layer of the heart wall is responsible for the heart's contraction?

Myocardium

Explanation

Myocardium contracts to pump blood.

#12

Which part of the brain controls heart rate and rhythm?

Medulla oblongata

Explanation

Controlling heart rate and rhythm.

#13

What is the term for the condition where fatty deposits build up in the arteries, restricting blood flow?

Atherosclerosis

Explanation

Buildup of fatty deposits in arteries.

#14

Which of the following is NOT a function of the pericardium?

Producing hormones for heart regulation

Explanation

Pericardium doesn't produce hormones.

#15

What is the medical term for the condition commonly known as a 'heart attack'?

Myocardial infarction

Explanation

Medical term for 'heart attack'.

Anatomy and Function of the Mammalian Heart Quiz

Which chamber of the heart receives oxygen-rich blood from the lungs?

What is the function of the heart valve?

What is the approximate resting heart rate of an average adult?

Which blood vessel carries deoxygenated blood from the heart to the lungs for oxygenation?

Which of the following is NOT a valve of the heart?

Which of the following is not a major blood vessel connected to the heart?

What is the sinoatrial node (SA node) responsible for?

What is the term for the relaxation phase of the heart cycle?

Which artery supplies oxygenated blood to the heart muscle itself?

What is the term for the network of specialized cells that conduct electrical impulses through the heart?

Which layer of the heart wall is responsible for the heart's contraction?

Which part of the brain controls heart rate and rhythm?

What is the term for the condition where fatty deposits build up in the arteries, restricting blood flow?

Which of the following is NOT a function of the pericardium?

What is the medical term for the condition commonly known as a 'heart attack'?

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