Lymphatic System Functions and Structures

The video tutorial covers the lymphatic and immune systems, explaining their functions and components. It describes how the lymphatic system assists in fluid circulation, waste removal, and immune response. The tutorial details the structure and function of lymphatic pathways, capillaries, nodes, and trunks. It also discusses the roles of the thymus and spleen in the lymphatic system. The video concludes with a preview of the next lecture on the immune system.

What is the primary role of the lymphatic system in the body?

• To digest food

• To remove waste and toxins

• To circulate oxygen

• To produce hormones

How do lymphatic capillaries assist in fluid exchange?

• By producing red blood cells

• By absorbing excess interstitial fluid

• By transporting oxygen

• By breaking down proteins

What is the function of lymph nodes in the lymphatic system?

• To produce digestive enzymes

• To act as checkpoints for filtering lymph

• To store fat

• To generate electrical impulses

Which duct is responsible for draining lymph from the majority of the body?

• Coronary duct

• Pulmonary duct

• Thoracic duct

• Right lymphatic duct

What happens to plasma when it enters the lymphatic system?

• It evaporates

• It turns into blood

• It becomes lymph

• It solidifies

What is the consequence of not removing excess tissue fluid?

• Fever

• Dehydration

• Hypertension

• Edema

Which of the following is NOT part of the mucosa-associated lymphoid tissue (MALT)?

• Appendix

• Tonsils

• Peyer's patches

• Liver

What is the role of the thymus in the lymphatic system?

• To store calcium

• To produce T lymphocytes

• To digest carbohydrates

• To filter blood

What is the primary function of the spleen in the lymphatic system?

• To store vitamins

• To filter blood

• To produce insulin

• To secrete bile

Which organ is known to shrink as a person ages?

• Liver

• Thymus

• Heart

• Kidney