15 Flashcards
(30 cards)
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