Question 1

Which of the following best describes the primary function of lymphatic capillaries in tissue spaces?

Accepted Answer

They carry protein molecules and other substances back to the blood.

Question 2

A patient presents with severe swelling of the lower limb after a parasitic infection. What is the most likely diagnosis?

Accepted Answer

Elephantiasis

Question 3

Which lymphatic structure is responsible for draining lymph from the right upper extremity and right side of the head, neck, and upper torso?

Accepted Answer

Right lymphatic duct

Question 4

What is the main function of lymph nodes?

Accepted Answer

To filter lymph and provide immune cell development

Question 5

Which of the following best explains why cancer can metastasize through the lymphatic system?

Accepted Answer

Cancer cells can move easily through lymphatic vessels to other parts of the body.

Question 6

A patient has swelling and tenderness of lymph nodes after a finger infection. What is this condition called?

Accepted Answer

Lymphadenitis

Question 7

Which of the following is NOT a type of tonsil?

Accepted Answer

Maxillae tonsil

Question 8

Which lymphoid organ is responsible for the production and maturation of T lymphocytes and secretes thymosins?

Accepted Answer

Thymus

Question 9

What is the main function of the spleen?

Accepted Answer

To phagocytose bacteria and old red blood cells, and act as a blood reservoir

Question 10

Which of the following best describes the difference between innate and adaptive immunity?

Accepted Answer

Innate immunity is rapid and nonspecific; adaptive immunity is slower and specific.

Question 11

Which of the following is a mechanism by which antibodies help eliminate antigens?

Accepted Answer

They form antigen-antibody complexes that neutralize toxins, agglutinate cells, and promote phagocytosis.

Question 12

What is the role of complement proteins in the immune response?

Accepted Answer

They form protein rings that create holes in foreign cell membranes, leading to cell lysis.

Question 13

Which immune cell type is responsible for killing virus-infected or tumor cells without prior exposure to the antigen?

Accepted Answer

Natural Killer (NK) cells

Question 14

A newborn receives antibodies from the mother through breast milk. What type of immunity is this?

Accepted Answer

Natural passive immunity

Question 15

Which of the following best describes the process of phagocytosis?

Accepted Answer

The ingestion and destruction of foreign cells or substances by phagocytes

Question 16

Which of the following is a characteristic sign of inflammation?

Accepted Answer

Heat, redness, pain, and swelling

Question 17

A patient develops an excessive immune response to harmless environmental antigens, such as pollen. What is this condition called?

Accepted Answer

Allergy (hypersensitivity)

Question 18

Which of the following best describes the role of helper T cells in the immune response?

Accepted Answer

They release chemicals that attract and activate macrophages and help activate B cells.

Question 19

Which immune system deficiency results from improper lymphocyte development before birth?

Accepted Answer

Congenital immune deficiency

Question 20

A patient receives a vaccination and develops immunity. What type of immunity is this?

Accepted Answer

Artificial active immunity

Lymphatic System and Immunity: Anatomy & Physiology Study Guide

Study Guide - Practice Questions