Lymphatic and Immune System: Structure and Function Quizzes

Question 1

In the adaptive immune response, what is the primary function of antigen-presenting cells (APCs)?

Accepted Answer

Presenting antigens to T cells

Answer

Engulfing and destroying pathogens

Answer

Producing antibodies

Answer

Releasing cytokines

Question 2

Which of the following is **not** a function of the lymphatic system?

Accepted Answer

Regulation of blood clotting

Answer

Drainage of interstitial fluid

Answer

Transport of fats from the small intestine

Answer

Defense against pathogens

Question 3

Which type of white blood cell is primarily responsible for phagocytosis?

Accepted Answer

Neutrophils

Answer

Lymphocytes

Answer

Eosinophils

Answer

Basophils

Question 4

Which of the following organs is the primary site of T-cell maturation?

Accepted Answer

Thymus

Answer

Spleen

Answer

Lymph nodes

Answer

Bone marrow

Question 5

Which type of immune response is characterized by the production of antibodies?

Accepted Answer

Humoral immunity

Answer

Cell-mediated immunity

Answer

Innate immunity

Answer

Adaptive immunity

Question 6

Which of the following cytokines is primarily responsible for stimulating B cell proliferation?

Accepted Answer

Interleukin-4

Answer

Interleukin-2

Answer

Interferon-gamma

Answer

Tumor necrosis factor-alpha

Question 7

Which type of hypersensitivity reaction is characterized by an immediate response mediated by IgE antibodies?

Accepted Answer

Type I

Answer

Type II

Answer

Type III

Answer

Type IV

Question 8

Within the lymphatic system, which cell type is primarily responsible for triggering immune responses?

Accepted Answer

Dendritic cell

Answer

Macrophage

Answer

Lymphocyte

Question 9

How does the lymphatic system contribute to maintaining fluid balance in the body?

Accepted Answer

Absorbs excess fluid from tissues and returns it to the bloodstream

Answer

Filters blood and removes toxins

Answer

Regulates blood pressure

Answer

Transports oxygen and nutrients to cells

Question 10

Which type of white blood cell is NOT involved in the immune response?

Accepted Answer

Red blood cell

Answer

Neutrophil

Answer

Macrophage

Answer

Lymphocyte

Question 11

What is the primary function of the lymphatic system?

Accepted Answer

To collect and return excess fluid to the bloodstream

Answer

To fight infection

Answer

To regulate blood pressure

Answer

To transport nutrients

Question 12

Which of the following is NOT considered a lymphoid organ?

Accepted Answer

Liver

Answer

Spleen

Answer

Thymus

Answer

Lymph nodes

Question 13

What is the main role of antibodies in the immune response?

Accepted Answer

To identify and bind to specific antigens

Answer

To directly destroy pathogens

Answer

To promote inflammation

Answer

To activate complement proteins

Question 14

Which type of immune response involves the participation of memory cells and the production of high-affinity antibodies?

Accepted Answer

Adaptive immune response

Answer

Innate immune response

Answer

Humoral immune response

Answer

Cell-mediated immune response

Question 15

What is the most prominent histological feature of lymph nodes?

Accepted Answer

Presence of germinal centers

Answer

Absence of stroma

Answer

High density of blood vessels

Answer

Well-defined capsule

Question 16

Which of the following is NOT a function of the spleen?

Accepted Answer

Hormone secretion

Answer

Filtration of blood

Answer

Storage of red blood cells

Answer

Production of white blood cells

Question 17

What type of tissue primarily composes the thymus?

Accepted Answer

Lymphoid tissue

Answer

Connective tissue

Answer

Epithelial tissue

Answer

Muscle tissue

Question 18

Which of the following is NOT a type of cytokine involved in the immune response?

Accepted Answer

Epinephrine

Answer

Interleukin-2

Answer

Interferon-gamma

Answer

Tumor necrosis factor-alpha

Question 19

What is the primary function of the lymphatic vessels?

Accepted Answer

To transport lymph

Answer

To produce white blood cells

Answer

To filter pathogens

Answer

To regulate blood flow

Question 20

Which transcription factor is indispensable for the maturation and activation of B cells?

Accepted Answer

OCT-2

Answer

STAT5

Answer

FOXP3

Question 21

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

Accepted Answer

Stores erythrocytes

Answer

Drains interstitial fluid

Answer

Filters blood

Answer

Produces lymphocytes

Question 22

Which of the following is the primary lymphoid organ responsible for T cell maturation?

Accepted Answer

Thymus

Answer

Bone marrow

Answer

Spleen

Answer

Lymph nodes

Question 23

Which type of immunity is responsible for defending against previously encountered pathogens?

Accepted Answer

Adaptive immunity

Answer

Innate immunity

Answer

Passive immunity

Answer

Humoral immunity

Question 24

Which of the following cytokines is produced by activated T cells and promotes inflammation?

Accepted Answer

Tumor necrosis factor

Answer

Interleukin-10

Answer

Interferon-gamma

Answer

Transforming growth factor-beta

Question 25

Which of the following mechanisms of antibody-mediated immunity is responsible for marking pathogens for phagocytosis?

Accepted Answer

Opsonization

Answer

Neutralization

Answer

Complement activation

Answer

Antibody-dependent cell-mediated cytotoxicity

Question 26

Which of the following cells is primarily responsible for presenting antigens to T cells?

Accepted Answer

Dendritic cell

Answer

Macrophage

Answer

B cell

Answer

Neutrophil

Question 27

Which of the following is a type of delayed-type hypersensitivity reaction?

Accepted Answer

Contact dermatitis

Answer

Anaphylaxis

Answer

IgG-mediated antibody response

Answer

Complement activation

Question 28

Explain the role of regulatory T cells in immune tolerance, emphasizing their clinical relevance.

Accepted Answer

Regulatory T cells suppress autoreactive T cells, preventing autoimmune disorders.

Answer

Regulatory T cells stimulate B cells to produce antibodies.

Answer

Regulatory T cells release antibodies that directly neutralize pathogens.

Answer

Regulatory T cells promote inflammation by releasing pro-inflammatory cytokines.

Question 29

Explain the specific roles of the variable and constant regions of antibodies in antigen recognition and immune effector functions.

Accepted Answer

Variable regions bind antigens; constant regions bind effector molecules.

Answer

Variable regions provide structural support; constant regions bind antigens.

Answer

Variable regions bind effector molecules; constant regions bind antigens.

Answer

Both variable and constant regions bind antigens.

Question 30

How does lymphatic dysfunction affect immune function, specifically impacting immune cell movement and overall immune effectiveness?

Accepted Answer

Disrupts immune cell trafficking, hindering antigen presentation and adaptive immune responses.

Answer

Enhances antibody production, boosting humoral immunity.

Answer

Reduces white blood cell production, leading to neutropenia and increased infection risk.

Answer

Increases macrophage phagocytic activity, enhancing pathogen clearance.

Question 31

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

Accepted Answer

Nutrient absorption

Answer

Fluid balance

Answer

Immunity

Answer

Waste removal

Question 32

Which type of lymphocyte is responsible for releasing antibodies into the body?

Accepted Answer

B lymphocyte

Answer

T lymphocyte

Answer

Natural killer cell

Question 33

Which immune cells are produced in the bone marrow and mature in the thymus?

Accepted Answer

T lymphocytes

Answer

Neutrophils

Answer

Macrophages

Answer

B lymphocytes

Question 34

Which of the following is NOT a type of phagocytic cell?

Accepted Answer

Erythrocyte

Answer

Macrophage

Answer

Neutrophil

Answer

Eosinophil

Question 35

What is the main function of the thymus?

Accepted Answer

Maturation of T lymphocytes

Answer

Filtration of blood

Answer

Production of antibodies

Answer

Storage of immune cells

Question 36

What is the name of the lymphatic vessels that transport lymph from tissues to lymph nodes?

Accepted Answer

Afferent lymphatic vessels

Answer

Lymph capillaries

Answer

Efferent lymphatic vessels

Answer

Lymphatic trunks

Question 37

Which of the following is NOT a type of adaptive immune response?

Accepted Answer

Phagocytosis

Answer

Antibody production

Answer

Cell-mediated immunity

Answer

Immunological memory

Question 38

What is the primary role of interferons in the immune response?

Accepted Answer

Inhibit viral replication

Answer

Destroy infected cells

Answer

Activate B lymphocytes

Answer

Enhance antibody production

Question 39

Which lymphoid organ is responsible for filtering blood and removing pathogens?

Accepted Answer

Spleen

Answer

Lymph node

Answer

Thymus

Answer

Tonsils

Question 40

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

Accepted Answer

Producing red blood cells

Answer

Draining excess fluid from tissues

Answer

Transporting lipids from the digestive tract

Answer

Filtering out foreign particles and microbes

Question 41

Which type of leukocyte is primarily responsible for phagocytosing pathogens?

Accepted Answer

Macrophage

Answer

Neutrophil

Answer

Lymphocyte

Answer

Eosinophil

Question 42

What is the primary function of the tonsils?

Accepted Answer

Trapping inhaled and ingested pathogens

Answer

Secreting digestive enzymes

Answer

Storing immune cells

Answer

Producing hormones

Question 43

Which type of antibody is primarily involved in neutralizing toxins and bacteria?

Accepted Answer

IgG

Answer

IgA

Answer

IgM

Answer

IgE

Question 44

What is the primary role of the MHC (Major Histocompatibility Complex) in the immune response?

Accepted Answer

Presenting antigens to immune cells

Answer

Activating complement proteins

Answer

Releasing cytokines

Answer

Producing antibodies

Question 45

What is a primary function of the complement system in the immune response?

Accepted Answer

Opsonizing pathogens and activating inflammatory responses

Answer

Generating cytotoxic T cells

Answer

Producing antibodies

Question 46

Which of the following is a type of hypersensitivity reaction mediated by IgE antibodies?

Accepted Answer

Anaphylaxis

Answer

Delayed-type hypersensitivity

Answer

Cytotoxic hypersensitivity

Question 47

What is the primary function of the thymus?

Accepted Answer

Maturation of T lymphocytes

Answer

Production of antibodies

Answer

Storage of immune cells

Answer

Phagocytosis of pathogens

Question 48

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

Accepted Answer

Arteries

Answer

Thymus

Answer

Lymph nodes

Answer

Lymph

Question 49

The primary function of the spleen is to:

Accepted Answer

Filter blood and remove foreign particles

Answer

Store bile

Answer

Secrete hormones

Answer

Produce red blood cells

Question 50

Which type of white blood cell is primarily responsible for producing antibodies?

Accepted Answer

B cell

Answer

T cell

Answer

Monocyte

Answer

Neutrophil

Question 51

What is the primary function of the thymus?

Accepted Answer

Maturation of T cells

Answer

Filtration of blood

Answer

Production of antibodies

Question 52

Which of the following is an example of passive immunity?

Accepted Answer

Receiving antibodies from a mother through breast milk

Answer

Exposure to a pathogen and developing antibodies

Answer

Vaccination

Question 53

What is the primary role of cytokines in the immune response?

Accepted Answer

Communication and coordination between immune cells

Answer

Phagocytosis

Answer

Antibody production

Answer

Complement activation

Question 54

Which of the following is a key characteristic of an antigen?

Accepted Answer

Recognized by the immune system as foreign

Answer

Degraded by enzymes

Answer

Produced by the body

Answer

Always harmful

Question 55

What is the primary function of lymph nodes?

Accepted Answer

Filter lymph and trap pathogens

Answer

Produce red blood cells

Answer

Secrete hormones

Answer

Store bile

Question 56

Which of the following is a type of antibody?

Accepted Answer

IgG

Answer

Interferon

Answer

Complement

Answer

T cell receptor

Question 57

What is the primary role of the complement system in the immune response?

Accepted Answer

Enhances phagocytosis and cell lysis

Answer

Produces antibodies

Answer

Activates T cells

Answer

Regulates inflammation