Lymph

Multiple Choice

Why is the lymphatic system significant for the body's defense against disease?

• It produces hormones for growth

• It helps recover fluid and activate immune responses

• It transports oxygen to tissues

• It breaks down food for energy

Open Ended

How does the lymphatic system contribute to maintaining fluid balance and protecting the body from infection?

Multiple Choice

Which of the following is NOT a function of the lymphatic system?

• Fluid recovery

• Immunity

• Lipid absorption

• Oxygen transport

Multiple Select

Which components of the lymphatic system are responsible for transporting lymph and housing defense cells?

• Lymphatic vessels and lymphatic organs

• Lymph and lymphatic tissues

• Lymphatic vessels and lymphatic tissues

• Lymphatic organs and lymph

Open Ended

Explain how the lymphatic system contributes to immunity and fluid recovery in the body.

Multiple Choice

What structural feature of lymphatic capillaries allows them to open when interstitial fluid pressure is high and close when it is low?

• Smooth muscle fibers

• Valve-like flaps in the endothelium

• Anchoring filaments

• Elastic fibers

Open Ended

Describe the role of valves in lymphatic vessels and explain how they contribute to the movement of lymph.

Multiple Choice

Which structure receives lymph from the right arm, right side of the head and thorax, and empties into the right subclavian vein?

• Thoracic duct

• Right lymphatic duct

• Left lymphatic duct

• Cisterna chyli

Open Ended

Describe the pathway of lymph flow from lymphatic capillaries to the subclavian veins.

Open Ended

Explain how exercise affects lymphatic return and why this is important for overall health.

Multiple Select

Which of the following are mechanisms that aid lymph flow in the body?

• Rhythmic contractions of lymphatic vessels

• Arterial pulsation

• Valves preventing backward flow

• Rapidly flowing blood in subclavian veins

Multiple Choice

What is the primary function of natural killer (NK) cells in the lymphatic system?

• Produce antibodies

• Attack and destroy bacteria and infected cells

• Mature in the thymus

• Activate plasma cells

Multiple Choice

Which type of lymphatic cell is responsible for phagocytizing tissue debris, dead neutrophils, bacteria, and other foreign matter?

• Macrophages

• Dendritic cells

• Reticular cells

• Lymphocytes

Open Ended

Explain the role of pseudopods in the function of macrophages as seen in the image.

Multiple Select

Which of the following are features of diffuse lymphatic tissue?

• Lymphocytes are scattered

• Prevalent in body passages open to the exterior

• Dense masses of lymphocytes and macrophages

• Found in lymph nodes, tonsils, and appendix

Open Ended

Compare and contrast primary and secondary lymphatic organs in terms of their function and examples.

Multiple Choice

Which cell type in the red bone marrow is responsible for the production of platelets?

• Adipose cell

• Megakaryocyte

• Endothelial cell

• Reticular cell

Open Ended

Explain the role of the thymus in the immune system and describe how its structure supports this function.

Multiple Select

Which of the following structures are found in both the thymus and lymph node?

• Trabeculae

• Medulla

• Cortex

• All of the above

Multiple Choice

Which of the following is NOT a function of lymph nodes?

• Production of red blood cells

• Cleansing the lymph

• Site of T and B cell activation

• Compartmentalization by trabeculae

Open Ended

What is the function of the germinal centers found in the cortex of lymph nodes?

Open Ended

Reflecting on what you learned about the lymphatic and immune systems, what questions do you still have or what would you like to know more about regarding how these systems maintain fluid balance and protect the body from infection?

Multiple Choice

How does the lymphatic system contribute to the body's defense against disease?

• By producing hormones that regulate metabolism

• By transporting oxygen to tissues

• By recovering fluid and activating immune responses

• By breaking down nutrients in the digestive system