Basic

Question 1

What is the primary function of the immune system?

Answer 1

To protect the body against infections and diseases.

Question 2

True or False: The immune system can distinguish between self and non-self cells.

Answer 2

True

Question 3

What are the two main types of immunity?

Answer 3

Innate immunity and adaptive immunity.

Question 4

Fill in the blank: The first line of defense in the immune system includes _______.

Answer 4

physical barriers such as skin and mucous membranes.

Question 5

Which cells are primarily responsible for the adaptive immune response?

Answer 5

Lymphocytes, specifically B cells and T cells.

Question 6

What is the role of antibodies in the immune system?

Answer 6

To bind to antigens and neutralize or mark them for destruction.

Question 7

True or False: Vaccines work by stimulating the adaptive immune response.

Answer 7

True

Question 8

What type of cell is responsible for the immediate response to pathogens?

Answer 8

Phagocytes, such as macrophages and neutrophils.

Question 9

Multiple Choice: Which of the following is NOT a component of the immune system? A) T cells B) Red blood cells C) Antibodies D) Natural killer cells

Answer 9

B) Red blood cells

Question 10

What is the function of memory cells in the immune system?

Answer 10

To provide long-term immunity by remembering past infections.

Question 11

Fill in the blank: The process by which phagocytes engulf and digest pathogens is called _______.

Answer 11

phagocytosis.

Question 12

True or False: The spleen plays a key role in filtering blood and responding to infections.

Answer 12

True

Question 13

What are cytokines?

Answer 13

Signaling molecules that mediate and regulate immunity and inflammation.

Question 14

Which immune response is characterized by the production of antibodies?

Answer 14

Humoral immune response.

Question 15

Multiple Choice: Which type of T cell helps activate B cells? A) Cytotoxic T cells B) Helper T cells C) Regulatory T cells D) Memory T cells

Answer 15

B) Helper T cells

Question 16

What is autoimmune disease?

Answer 16

A condition in which the immune system mistakenly attacks the body’s own cells.

Question 17

Fill in the blank: The _______ is the primary lymphoid organ where T cells mature.

Answer 17

thymus.

Question 18

True or False: Allergies are an example of an exaggerated immune response.

Answer 18

True

Question 19

What is the role of the bone marrow in the immune system?

Answer 19

To produce blood cells, including immune cells.

Question 20

What do we call the substances that provoke an immune response?

Answer 20

Antigens.

Question 21

Multiple Choice: Which of the following is a type of phagocytic cell? A) Neutrophil B) Erythrocyte C) Platelet D) Lymphocyte

Answer 21

A) Neutrophil

Question 22

What is the significance of the complement system?

Answer 22

It enhances the ability of antibodies and phagocytes to clear pathogens.

Question 23

Fill in the blank: The _______ immune response is slower but more specific than the innate response.

Answer 23

adaptive.

Question 24

True or False: The skin is an example of a specific immune response.

Answer 24

False

Question 25

What is herd immunity?

Answer 25

A form of indirect protection from infectious disease that occurs when a large percentage of a population becomes immune.

Question 26

What type of immunity is provided by maternal antibodies to a newborn?

Answer 26

Passive immunity.