15 Flashcards
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: B) Drain excess fluid from tissues
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: B) A clear fluid containing white blood cells
Which structure is responsible for filtering lymph?
A) Spleen
B) Thymus
C) Lymph nodes
D) Bone marrow
Answer: C) Lymph nodes
What role do lymphocytes play in the immune system?
A) Transport oxygen
B) Produce hormones
C) Fight infections
D) Clot blood
Answer: C) Fight infections
Which organ is primarily involved in the maturation of T lymphocytes?
A) Spleen
B) Thymus
C) Lymph nodes
D) Bone marrow
Answer: B) Thymus
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: B) Filter blood and recycle iron
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: C) Both A and B
Where does lymph eventually return to the circulatory system?
A) Right atrium
B) Left atrium
C) Aorta
D) Jugular vein
Answer: A) Right atrium
Which type of lymphocyte is primarily responsible for producing antibodies?
A) T cells
B) B cells
C) Natural killer cells
D) Macrophages
Answer: B) B cells
What is the function of the tonsils?
A) Filter blood
B) Produce insulin
C) Trap pathogens in the throat
D) Regulate fluid balance
Answer: C) Trap pathogens in the throat
Which vessel is responsible for transporting lymph away from lymph nodes?
A) Lymphatic ducts
B) Lymphatic capillaries
C) Veins
D) Arteries
Answer: A) Lymphatic ducts
What condition results from the accumulation of lymph fluid in tissues?
A) Edema
B) Hemorrhage
C) Lymphoma
D) Leukemia
Answer: A) Edema
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: D) Both A and C
Which type of lymphatic vessel is most permeable?
A) Lymphatic ducts
B) Lymphatic capillaries
C) Blood vessels
D) Arteries
Answer: B) Lymphatic capillaries
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: B) Filter lymph and engulf pathogens
What type of cancer affects the lymphatic system?
A) Carcinoma
B) Lymphoma
C) Sarcoma
D) Melanoma
Answer: B) Lymphoma
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: C) Monitor intestinal bacteria and pathogens
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: B) Protect the body from pathogens
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: B) Innate immunity
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: B) T cells and B cells
Which component of the immune system is responsible for producing antibodies?
A) T cells
B) B cells
C) Natural killer cells
D) Neutrophils
Answer: B) B cells
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: B) Mature T lymphocytes
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: B) Substances that trigger an immune response
Which type of immune response is activated by T cells?
A) Humoral immunity
B) Cell-mediated immunity
C) Passive immunity
D) Innate immunity
Answer: B) Cell-mediated immunity
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: B) Engulf and digest pathogens
Which white blood cells are primarily involved in allergic reactions?
A) Neutrophils
B) Eosinophils
C) Monocytes
D) Lymphocytes
Answer: B) Eosinophils
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: B) To initiate tissue repair and fight infection
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: C) Autoimmune disease
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: B) Cell-mediated immunity
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: B) To engulf and destroy pathogens
