Anatomy and Physiology II Practice Test

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Prepare for your Anatomy and Physiology II Exam. Study with interactive questions and detailed explanations. Get set for success!

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Which term describes the lymphatic vessels that transport lymph into a lymph node?

Afferent vessels
Efferent vessels
Lymphatic capillaries
Veins

The correct answer is: Afferent vessels

The term that describes the lymphatic vessels responsible for transporting lymph into a lymph node is "afferent vessels." Afferent lymphatic vessels carry lymph, which contains interstitial fluid, proteins, waste products, and immune cells, from the peripheral tissues to the lymph nodes. This process is crucial for the immune system, as the lymph nodes filter the lymph, allowing for the identification and response to pathogens or foreign substances. In contrast, efferent vessels transport lymph away from the lymph node after it has been processed. Lymphatic capillaries are the smallest lymphatic vessels, responsible for collecting lymph from the surrounding tissues, while veins primarily carry blood back to the heart and are not involved in lymph transport. Understanding the functions of these vessels clarifies the pathway of lymphatic circulation and its role in maintaining fluid balance and immune function in the body.