Lymphatic and Cardiovascular Systems Quiz

Which of the following is NOT a primary function of the lymphatic system?

• Transport of oxygenated blood

• Removal of interstitial fluid

• Immune system support

• Absorption of fatty acids

The lymphatic system plays a role in the body’s immune response by transporting white blood cells to lymph nodes.

• True

• False

Where is the thymus located, and what role does it play in the lymphatic system?

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Which of the following is the correct order of lymph flow in the body?

• Lymph capillaries → Lymph nodes → Lymphatic vessels → Thoracic duct → Venous circulation

• Thoracic duct → Lymphatic vessels → Lymph nodes → Lymph capillaries → Venous circulation

• Lymphatic vessels → Thoracic duct → Lymph capillaries → Lymph nodes → Venous circulation

• Lymph nodes → Lymph capillaries → Lymphatic vessels → Venous circulation

What is the primary function of the cardiovascular system?

• To digest food

• To circulate oxygen, nutrients, and hormones

• To absorb fats

• To produce lymph

The left ventricle of the heart pumps oxygenated blood to the lungs.

• True

• False

Briefly describe the structure and function of the heart's left atrium.

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Which blood vessel carries oxygenated blood from the heart to the body?

• Pulmonary artery

• Inferior vena cava

• Aorta

• Pulmonary vein

The ________ valve prevents the backflow of blood from the left ventricle to the left atrium.

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What is the significance of the sinoatrial (SA) node in the heart's electrical conduction system?

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