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NK Cells, T Cells, and B Cells Overview

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Questions and Answers

Where do T cells originate and mature?

Spleen

Thymus (correct)

Bone marrow

Lymph nodes

What is the primary role of NK cells?

Produce antibodies

Attack foreign cells and viruses-infected normal cells (correct)

Store iron from old blood

Filter lymph in the thoracic region

What are the main locations of lymph nodes in the body?

Spleen and thymus

Cervical, axillary, and inguinal regions (correct)

Palatine tonsils and thymus

Medulla and cortex

Which lymphatic organ performs functions similar to lymph nodes for blood?

Spleen Signup and view all the answers

Where do B cells originate and mature?

Bone marrow Signup and view all the answers

What is the primary function of lymphocytes in immune surveillance?

Monitor tissues and attack abnormal cells Signup and view all the answers

Which cells are responsible for the immune response in the lymphatic system?

Lymphocytes Signup and view all the answers

Which of the following statements accurately describes lymphatic capillaries?

Larger luminal diameters and thinner walls Signup and view all the answers

Which cells play a significant role in the phagocytic activity?

Macrophages Signup and view all the answers

Which type of lymphatic structures are involved in activating lymphocytes?

Secondary Lymphatic Structures Signup and view all the answers

What is the main function of the lymphatic system in maintaining normal blood volume?

Regulates blood volume and eliminates excess fluid Signup and view all the answers

Which lymphatic vessels carry lymph only from peripheral tissues to the venous system?

Lymphatic vessels Signup and view all the answers

What is a characteristic of lymphatic vessels that distinguishes them from veins?

Wider lumen Signup and view all the answers

What is the function of internal valves in lymphatic vessels?

To prevent the backflow of fluid Signup and view all the answers

What type of lymphocyte is derived from the bone marrow?

B cells Signup and view all the answers

Lymph flows from capillaries into which type of vessels?

Larger lymphatic vessels Signup and view all the answers

What is the term for the large vessels that trunks empty into?

Thoracic ducts Signup and view all the answers