Introduction to the Immune System: Interactive Learning Quizzes

Question 1

Which of the following cells is NOT involved in innate immunity?

Accepted Answer

T lymphocytes

Answer

Neutrophils

Answer

Macrophages

Answer

Dendritic cells

Question 2

The process by which B lymphocytes generate antibodies is known as:

Accepted Answer

Clonal expansion

Answer

Phagocytosis

Answer

Opsonization

Answer

Complement activation

Question 3

Which of the following cytokines is primarily responsible for promoting inflammation?

Accepted Answer

Tumor necrosis factor-alpha

Answer

Interferon-gamma

Answer

Transforming growth factor-beta

Answer

Interleukin-10

Question 4

The major histocompatibility complex (MHC) is primarily responsible for:

Accepted Answer

Presenting antigens to T lymphocytes

Answer

Recognizing foreign pathogens

Answer

Producing antibodies

Answer

Regulating immune cell activation

Question 5

The process by which the immune system distinguishes between self and non-self is known as:

Accepted Answer

Self-tolerance

Answer

Clonal selection

Answer

Immunologic memory

Answer

Antibody affinity maturation

Question 6

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

Accepted Answer

Antibody production

Answer

Opsonization

Answer

Chemotaxis

Answer

Membrane attack complex formation

Question 7

The primary site of T lymphocyte maturation is the:

Accepted Answer

Thymus

Answer

Bone marrow

Answer

Spleen

Answer

Lymph nodes

Question 8

Which type of immune response is characterized by a rapid and robust reaction to previously encountered antigens?

Accepted Answer

Adaptive immunity

Answer

Innate immunity

Answer

Humoral immunity

Answer

Cell-mediated immunity

Question 9

The primary function of regulatory T lymphocytes is to:

Accepted Answer

Suppress immune responses

Answer

Stimulate antibody production

Answer

Enhance phagocytic activity

Answer

Recruit immune cells to the site of infection

Question 10

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

Accepted Answer

Promoting cell growth and division

Answer

Defending the body from infection

Answer

Maintaining homeostasis

Answer

Regulating tissue repair

Question 11

Which type of immunity provides immediate, non-specific protection against pathogens?

Accepted Answer

Innate immunity

Answer

Adaptive immunity

Answer

Cell-mediated immunity

Answer

Humoral immunity

Question 12

Which of the following immune cells is responsible for phagocytosing pathogens?

Accepted Answer

Neutrophils

Answer

Lymphocytes

Answer

Eosinophils

Answer

Basophils

Question 13

Which type of immune cell is responsible for producing antibodies?

Accepted Answer

B cells

Answer

T cells

Answer

Macrophages

Answer

Neutrophils

Question 14

Which of the following cytokines is known for promoting inflammation?

Accepted Answer

Interleukin-1

Answer

Interleukin-10

Answer

Transforming growth factor-beta

Answer

Interferon-gamma

Question 15

Which cell type is not part of the innate immune system?

Accepted Answer

T cells

Answer

Macrophages

Answer

Neutrophils

Answer

Natural killer cells

Question 16

The primary function of the thymus is:

Accepted Answer

Maturation and selection of T cells

Answer

Production of B cells

Answer

Synthesis of antibodies

Answer

Initiation of cell-mediated immunity

Question 17

Which immunoglobulin is the most abundant in the bloodstream and plays a crucial role in neutralizing toxins?

Accepted Answer

IgG

Answer

IgA

Answer

IgE

Answer

IgM

Question 18

Vaccination primarily aims to induce:

Accepted Answer

Long-term immunity

Answer

Immediate immunity

Answer

Tolerance to self-antigens

Question 19

Which immune cell is best known for capturing and presenting foreign antigens to T cells?

Accepted Answer

Dendritic cells

Answer

Macrophages

Answer

Neutrophils

Answer

Eosinophils

Question 20

Which of the following cells is **not** involved in the innate immune response?

Accepted Answer

Memory T cells

Answer

Macrophages

Answer

Neutrophils

Answer

Natural killer cells

Question 21

The process by which B cells differentiate into antibody-producing plasma cells is被称为:

Accepted Answer

Clonal expansion

Answer

Inflammation

Answer

Opsonization

Answer

Phagocytosis

Question 22

Which of the following molecules is responsible for activating complement proteins?

Accepted Answer

Antibodies

Answer

Histamine

Answer

Interferons

Answer

Cytokines

Question 23

Which of the following cytokines is primarily responsible for stimulating the growth and proliferation of T cells?

Accepted Answer

Interleukin-2

Answer

Interferon-gamma

Answer

Tumor necrosis factor-alpha

Answer

Interleukin-10

Question 24

The type of MHC molecule that presents antigens to CD8+ T cells is called:

Accepted Answer

MHC class I

Answer

HLA-DR

Answer

CD4

Answer

MHC class II

Question 25

Which of the following is a main function of the thymus?

Accepted Answer

Maturation of T cells

Answer

Production of antibodies

Answer

Phagocytosis

Answer

Inflammation

Question 26

Which of the following types of immunity is both long-lasting and specific for a particular pathogen?

Accepted Answer

Adaptive immunity

Answer

Cell-mediated immunity

Answer

Humoral immunity

Answer

Innate immunity

Question 27

Which of the following cells is responsible for the production of memory T cells?

Accepted Answer

Helper T cells

Answer

Cytotoxic T cells

Answer

Natural killer cells

Answer

Regulatory T cells

Question 28

The overall function of the immune system is primarily to:

Accepted Answer

Protect the body from infection and disease

Answer

Maintain homeostasis

Answer

Control growth and development

Answer

Regulate metabolism