15

Question 1

What is the primary function of the lymphatic system?
A) Transport oxygen
B) Drain excess fluid from tissues
C) Regulate blood pressure
D) Produce hormones

Answer 1

Answer: B) Drain excess fluid from tissues

Question 2

What is lymph?
A) A type of blood cell
B) A clear fluid containing white blood cells
C) A solid tissue
D) A hormone

Answer 2

Answer: B) A clear fluid containing white blood cells

Question 3

Which structure is responsible for filtering lymph?
A) Spleen
B) Thymus
C) Lymph nodes
D) Bone marrow

Answer 3

Answer: C) Lymph nodes

Question 4

What role do lymphocytes play in the immune system?
A) Transport oxygen
B) Produce hormones
C) Fight infections
D) Clot blood

Answer 4

Answer: C) Fight infections

Question 5

Which organ is primarily involved in the maturation of T lymphocytes?
A) Spleen
B) Thymus
C) Lymph nodes
D) Bone marrow

Answer 5

Answer: B) Thymus

Question 6

What is the function of the spleen?
A) Produce red blood cells
B) Filter blood and recycle iron
C) Produce hormones
D) Store lymph

Answer 6

Answer: B) Filter blood and recycle iron

Question 7

What type of immunity is provided by the lymphatic system?
A) Innate immunity
B) Adaptive immunity
C) Both A and B
D) None of the above

Answer 7

Answer: C) Both A and B

Question 8

Where does lymph eventually return to the circulatory system?
A) Right atrium
B) Left atrium
C) Aorta
D) Jugular vein

Answer 8

Answer: A) Right atrium

Question 9

Which type of lymphocyte is primarily responsible for producing antibodies?
A) T cells
B) B cells
C) Natural killer cells
D) Macrophages

Answer 9

Answer: B) B cells

Question 10

What is the function of the tonsils?
A) Filter blood
B) Produce insulin
C) Trap pathogens in the throat
D) Regulate fluid balance

Answer 10

Answer: C) Trap pathogens in the throat

Question 11

Which vessel is responsible for transporting lymph away from lymph nodes?
A) Lymphatic ducts
B) Lymphatic capillaries
C) Veins
D) Arteries

Answer 11

Answer: A) Lymphatic ducts

Question 12

What condition results from the accumulation of lymph fluid in tissues?
A) Edema
B) Hemorrhage
C) Lymphoma
D) Leukemia

Answer 12

Answer: A) Edema

Question 13

Which lymphatic structure plays a role in filtering pathogens from the blood?
A) Lymph nodes
B) Thymus
C) Spleen
D) Both A and C

Answer 13

Answer: D) Both A and C

Question 14

Which type of lymphatic vessel is most permeable?
A) Lymphatic ducts
B) Lymphatic capillaries
C) Blood vessels
D) Arteries

Answer 14

Answer: B) Lymphatic capillaries

Question 15

What role do macrophages play in the lymphatic system?
A) Produce antibodies
B) Filter lymph and engulf pathogens
C) Transport lymph
D) Stimulate T cell production

Answer 15

Answer: B) Filter lymph and engulf pathogens

Question 16

What type of cancer affects the lymphatic system?
A) Carcinoma
B) Lymphoma
C) Sarcoma
D) Melanoma

Answer 16

Answer: B) Lymphoma

Question 17

What is the role of the Peyer’s patches?
A) Produce hormones
B) Filter blood
C) Monitor intestinal bacteria and pathogens
D) Store lymph

Answer 17

Answer: C) Monitor intestinal bacteria and pathogens

Question 18

What is the primary function of the immune system?
A) Transport nutrients
B) Protect the body from pathogens
C) Regulate temperature
D) Produce hormones

Answer 18

Answer: B) Protect the body from pathogens

Question 19

Which type of immunity is present at birth and provides immediate defense?
A) Adaptive immunity
B) Innate immunity
C) Acquired immunity
D) Passive immunity

Answer 19

Answer: B) Innate immunity

Question 20

What type of cells are primarily responsible for the adaptive immune response?
A) Red blood cells
B) T cells and B cells
C) Macrophages
D) Platelets

Answer 20

Answer: B) T cells and B cells

Question 21

Which component of the immune system is responsible for producing antibodies?
A) T cells
B) B cells
C) Natural killer cells
D) Neutrophils

Answer 21

Answer: B) B cells

Question 22

What is the role of the thymus in the immune system?
A) Produce antibodies
B) Mature T lymphocytes
C) Filter blood
D) Store red blood cells

Answer 22

Answer: B) Mature T lymphocytes

Question 23

What are antigens?
A) Proteins that fight infections
B) Substances that trigger an immune response
C) Cells that transport oxygen
D) Hormones that regulate blood pressure

Answer 23

Answer: B) Substances that trigger an immune response

Question 24

Which type of immune response is activated by T cells?
A) Humoral immunity
B) Cell-mediated immunity
C) Passive immunity
D) Innate immunity

Answer 24

Answer: B) Cell-mediated immunity

Question 25

What is the function of macrophages in the immune system?
A) Produce antibodies
B) Engulf and digest pathogens
C) Transport oxygen
D) Regulate temperature

Answer 25

Answer: B) Engulf and digest pathogens

Question 26

Which white blood cells are primarily involved in allergic reactions?
A) Neutrophils
B) Eosinophils
C) Monocytes
D) Lymphocytes

Answer 26

Answer: B) Eosinophils

Question 27

What is the main purpose of inflammation?
A) To decrease blood flow
B) To initiate tissue repair and fight infection
C) To regulate body temperature
D) To produce hormones

Answer 27

Answer: B) To initiate tissue repair and fight infection

Question 28

What can happen if the immune system mistakenly attacks the body’s own cells?
A) Immunity
B) Allergic reaction
C) Autoimmune disease
D) Infectious disease

Answer 28

Answer: C) Autoimmune disease

Question 29

Which immune response is primarily responsible for the destruction of intracellular pathogens, like viruses?
A) Humoral immunity
B) Cell-mediated immunity
C) Innate immunity
D) Passive immunity

Answer 29

Answer: B) Cell-mediated immunity

Question 30

What is the primary purpose of phagocytosis in the immune system?
A) To produce antibodies
B) To engulf and destroy pathogens
C) To stimulate inflammation
D) To transport oxygen

Answer 30

Answer: B) To engulf and destroy pathogens