Innate and Adaptive Immunity: Interactive Learning Quizzes

Question 1

Which of the following is NOT a function of macrophages in the immune system?

Accepted Answer

Producing antibodies to neutralize pathogens

Answer

Engulfing and destroying pathogens through phagocytosis

Answer

Releasing cytokines to communicate with other immune cells

Answer

Presenting antigens to T lymphocytes

Question 2

Which of the following is NOT a type of lymphocyte?

Accepted Answer

Macrophage

Answer

B cell

Answer

T cell

Answer

Natural killer cell

Question 3

Which cell type is primarily responsible for engulfing and destroying pathogens through phagocytosis?

Accepted Answer

Macrophages

Answer

Neutrophils

Answer

Lymphocytes

Answer

Eosinophils

Question 4

Which type of lymphocyte is responsible for cell-mediated immune responses against infected cells?

Accepted Answer

T cells

Answer

B cells

Answer

Natural killer cells

Answer

Dendritic cells

Question 5

Which antibody class is most effective at neutralizing bacterial toxins and preventing their harmful effects?

Accepted Answer

IgG

Answer

IgA

Answer

IgM

Answer

IgE

Question 6

Which cytokine is a key regulator of B cell differentiation and antibody production?

Accepted Answer

Interleukin-4

Answer

Interferon-gamma

Answer

Interleukin-10

Answer

Tumor necrosis factor-alpha

Question 7

Which of the following mechanisms is NOT involved in antigen processing and presentation by MHC molecules?

Accepted Answer

Lysosomal degradation

Answer

Proteasomal degradation

Answer

ER-associated degradation

Answer

Endoplasmic reticulum translocation

Question 8

Which type of hypersensitivity reaction is characterized by an immediate onset and typically involves symptoms such as wheezing, sneezing, and runny nose?

Accepted Answer

Type I

Answer

Type II

Answer

Type III

Answer

Type IV

Question 9

Which step is NOT directly involved in the process of phagocytosis?

Accepted Answer

Cytokine release

Answer

Recognition

Answer

Attachment

Answer

Engulfment

Question 10

What is the predominant role of phagocytes in innate immunity?

Accepted Answer

Engulfing and destroying foreign particles

Answer

Producing antibodies

Answer

Presenting antigens to lymphocytes

Answer

Activating complement

Question 11

Which cell type is directly responsible for producing antibodies?

Accepted Answer

B lymphocytes

Answer

Neutrophils

Answer

Macrophages

Answer

T lymphocytes

Question 12

What is the critical function of MHC proteins in the adaptive immune response?

Accepted Answer

Presenting antigens to T lymphocytes

Answer

Recognizing self-antigens

Answer

Binding to antibodies

Answer

Activating phagocytes

Question 13

What is the primary function of the thymus in the development of the adaptive immune system?

Accepted Answer

Differentiating T lymphocytes

Answer

Producing antibodies

Answer

Maturing B lymphocytes

Answer

Activating complement

Question 14

Which characteristic is NOT attributed to innate immunity?

Accepted Answer

Precision in pathogen recognition

Answer

Prompt response

Answer

First line of defense

Answer

Non-specific nature

Question 15

What is the primary function of the complement system?

Accepted Answer

Enhancing phagocytosis

Answer

Neutralizing toxins

Answer

Activating antibodies

Answer

Producing cytokines

Question 16

Which outcome is NOT associated with a weakened immune system?

Accepted Answer

Enhanced athletic performance

Answer

Increased vulnerability to infections

Answer

Delayed wound healing

Answer

Development of autoimmune disorders

Question 17

Which of the following is the primary function of the innate immune system?

Accepted Answer

Rapid response to infection

Answer

Highly specific recognition of pathogens

Answer

Production of antibodies

Answer

Immune memory

Question 18

Phagocytes are specialized cells that primarily:

Accepted Answer

Engulf and destroy foreign particles

Answer

Produce antibodies

Answer

Store immune memory

Answer

Recognize specific antigens

Question 19

The process by which lymphocytes develop specificity for different antigens is known as:

Accepted Answer

Clonal selection

Answer

Vaccination

Answer

Opsonization

Answer

Phagocytosis

Question 20

Which type of lymphocyte is responsible for coordinating cell-mediated immunity?

Accepted Answer

T lymphocyte

Answer

Plasma cell

Answer

Macrophage

Answer

B lymphocyte

Question 21

Antibodies primarily function to:

Accepted Answer

Bind to specific antigens

Answer

Release cytokines

Answer

Provide immune memory

Answer

Recognize and eliminate infected cells

Question 22

Which type of immunity involves long-term protection and specificity against future infections?

Accepted Answer

Adaptive immunity

Answer

Innate immunity

Answer

Cell-mediated immunity

Answer

Humoral immunity

Question 23

Vaccination enhances adaptive immunity primarily by:

Accepted Answer

Mimicking infection without causing disease

Answer

Providing passive immunity

Answer

Blocking innate immune responses

Answer

Stimulating phagocytosis

Question 24

Autoimmune diseases develop when the immune system:

Accepted Answer

Mistakenly attacks the body's own tissues

Answer

Overreacts to harmless substances

Answer

Produces insufficient antibodies

Answer

Fails to respond to foreign pathogens