Question 1

Where are B cells matured in the human body?

Accepted Answer

Red bone marrow

Question 2

How does lymph tissue differ from lymph organs?

Accepted Answer

Lymph organs are encapsulated structures, while lymph tissue is diffuse and unencapsulated

Question 3

Most lymph returns to the systemic circulation via which duct?

Accepted Answer

Thoracic duct

Question 4

Which area of the spleen contains large amounts of lymphocytes?

Accepted Answer

White pulp

Question 5

What is the main function of a lymph node?

Accepted Answer

Filtration of lymph and activation of immune responses

Question 6

Which cells are responsible for humoral immunity?

Accepted Answer

B cells

Question 7

What is the role of cytotoxic T cells in the immune system?

Accepted Answer

Directly destroy virus-infected and cancerous cells

Question 8

Which organ is responsible for the maturation of T cells?

Accepted Answer

Thymus gland

Question 9

Which of the following is considered an innate defense mechanism?

Accepted Answer

Skin barrier

Question 10

What is the primary function of macrophages in the spleen?

Accepted Answer

Phagocytosis of old red blood cells and pathogens

Question 11

Which cells are responsible for the production of immunoglobulins?

Accepted Answer

Plasma cells (differentiated B cells)

Question 12

A patient has a blockage in the thoracic duct. Which of the following is most likely to occur?

Accepted Answer

Accumulation of lymph in the lower body, leading to edema

Question 13

Which of the following best describes the flow of lymph fluid in the lymph node?

Accepted Answer

Lymph enters via afferent vessels, is filtered, and exits via efferent vessels

Question 14

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

Accepted Answer

Filtration of blood

Question 15

Which cell is responsible for cellular immunity?

Accepted Answer

T cells

Question 16

What is the role of the lymphocytes in the immune system?

Accepted Answer

Mediate immune responses by recognizing and responding to antigens

Question 17

Which of the following best describes humoral immunity?

Accepted Answer

Immunity mediated by antibodies produced by B cells

Question 18

A patient presents with a deficiency in helper T cells. Which process would be most affected?

Accepted Answer

Activation of both B cells and cytotoxic T cells

Question 19

Which of the following organs is NOT part of the lymphatic system?

Accepted Answer

Liver

Question 20

If a person’s lymph nodes are removed due to cancer, what is a likely consequence?

Accepted Answer

Impaired filtration of lymph and increased risk of infection

Lymphatic System and Immunity: Study Notes for Anatomy & Physiology

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