Lymphatic System Organs and Functions Quiz

Test your knowledge of immunology with questions about lymphocytes, organs, and functions of the lymphatic system. Explore primary and secondary lymphoid organs.

#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

Which of the following is NOT a primary lymphoid organ?

Thymus
Spleen
Tonsils
Bone marrow
#7

What is the function of lymph nodes?

Filtering lymph and trapping pathogens
Producing lymphocytes
Secreting hormones
Storing excess lymph
#8

Which of the following is a function of the thymus gland?

Filtering lymph
Producing red blood cells
Maturation of T lymphocytes
Storing excess glucose
#9

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
#10

What is the function of the lymphatic vessels?

Transporting lymph and immune cells
Producing antibodies
Synthesizing hormones
Storing excess water
#11

Which lymphatic organ acts as a blood reservoir and filters old or damaged blood cells?

Thymus
Spleen
Tonsils
Bone marrow
#12

Which lymphatic organ is responsible for the maturation of B lymphocytes?

Thymus
Spleen
Tonsils
Bone marrow
#13

Which of the following is a function of the lacteals?

Produce bile
Absorb digested fats
Produce insulin
Produce white blood cells
#14

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.
#15

Which lymphatic organ is responsible for fetal hematopoiesis and later replaced by red bone marrow?

Thymus
Spleen
Tonsils
Liver

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