#1
Which organ produces lymphocytes?
Spleen
Thymus
Bone marrow
Liver
#2
What is the main function of the lymphatic system?
Transporting oxygen to cells
Regulating body temperature
Fighting infections
Digesting food
#3
Which of the following is NOT considered a secondary lymphoid organ?
Spleen
Lymph nodes
Tonsils
Thymus
#4
What is the primary function of lymphocytes?
Produce antibodies
Detect and destroy pathogens
Transport nutrients
Regulate body temperature
#5
Which of the following is NOT a lymphatic vessel?
Thoracic duct
Subclavian vein
Lumbar trunk
Right lymphatic duct
#6
What is the function of lymphatic fluid?
Transport oxygen to cells
Provide structural support to tissues
Carry nutrients to cells
Remove waste and excess fluids from tissues
#7
Which of the following is NOT a secondary lymphoid organ?
Tonsils
Appendix
Peyer's patches
Thymus
#8
Which of the following is NOT a primary lymphoid organ?
Thymus
Spleen
Tonsils
Bone marrow
#9
What is the function of lymph nodes?
Filtering lymph and trapping pathogens
Producing lymphocytes
Secreting hormones
Storing excess lymph
#10
Which of the following is a function of the thymus gland?
Filtering lymph
Producing red blood cells
Maturation of T lymphocytes
Storing excess glucose
#11
What is the role of the spleen in the lymphatic system?
Producing lymphocytes
Filtering blood and removing old red blood cells
Digesting fats
Regulating blood pressure
#12
What is the function of the lymphatic vessels?
Transporting lymph and immune cells
Producing antibodies
Synthesizing hormones
Storing excess water
#13
Which of the following is NOT a function of the lymphatic system?
Transporting fats from the digestive system
Removing excess interstitial fluid
Producing digestive enzymes
Supporting the immune system
#14
Where are Peyer's patches primarily located?
Small intestine
Large intestine
Stomach
Esophagus
#15
What is the primary function of the tonsils?
Produce antibodies
Filter and trap pathogens entering the throat
Produce red blood cells
Regulate blood pressure
#16
Which of the following is a characteristic of lymphatic capillaries?
They are impermeable to large molecules
They lack valves
They are found in the skin and mucous membranes
They carry oxygen-rich blood
#17
Which of the following is a primary function of the lymphatic system in relation to the immune system?
Producing insulin
Transporting hormones
Filtering blood
Defending against pathogens
#18
What is the primary role of lymphocytes in the immune response?
Producing histamines
Regulating blood pressure
Detecting and destroying pathogens
Breaking down toxins
#19
Which lymphatic organ acts as a blood reservoir and filters old or damaged blood cells?
Thymus
Spleen
Tonsils
Bone marrow
#20
Which lymphatic organ is responsible for the maturation of B lymphocytes?
Thymus
Spleen
Tonsils
Bone marrow
#21
Which of the following is a function of the lacteals?
Produce bile
Absorb digested fats
Produce insulin
Produce white blood cells
#22
What is the main difference between lymph and blood plasma?
Blood plasma carries oxygen, while lymph does not.
Lymph contains red blood cells, while blood plasma does not.
Blood plasma is a clear fluid, while lymph is cloudy.
Lymph contains more proteins and fewer electrolytes than blood plasma.
#23
Which lymphatic organ is responsible for fetal hematopoiesis and later replaced by red bone marrow?
#24
Which lymphatic structure plays a role in immune surveillance by removing abnormal cells?
Spleen
Lymph nodes
Tonsils
Thymus
#25
What is the function of lymphatic vessels known as efferent lymphatic vessels?
Carry lymph away from lymph nodes
Initiate an immune response
Produce lymphocytes
Filter lymph before entering the bloodstream