Question 1

Which of the following best describes the primary function of lymphatic capillaries in connective tissues?

Accepted Answer

They collect excess interstitial fluid and proteins, returning them to the bloodstream.

Question 2

A patient undergoes a splenectomy due to trauma. Which organ(s) will compensate for most lost splenic functions?

Accepted Answer

Liver and bone marrow

Question 3

Which of the following statements about lymph transport is correct?

Accepted Answer

Lymph flow is sporadic and relies on skeletal muscle contraction and breathing.

Question 4

Which lymphoid organ is the site of T cell maturation and is isolated from antigens by a blood barrier?

Accepted Answer

Thymus

Question 5

A blockage in lymphatic vessels can lead to which clinical condition characterized by severe localized edema?

Accepted Answer

Lymphedema

Question 6

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

Accepted Answer

Absorbing dietary fats from the small intestine

Question 7

Which type of lymphoid tissue is found in mucous membranes and protects against pathogens trying to enter the body?

Accepted Answer

MALT (Mucosa Associated Lymphoid Tissue)

Question 8

Which of the following best explains why lymphatic capillaries are more permeable than blood capillaries?

Accepted Answer

They have overlapping endothelial cells that form one-way minivalves.

Question 9

Which formula correctly represents the relationship between lymph flow ($$Q$$), pressure difference ($$\Delta P$$), and resistance ($$R) in $$lymphatic vessels?

Accepted Answer

$$Q = \dfrac{\Delta P}{R}$$

Question 10

A patient presents with swollen, tender lymph nodes after a bacterial infection. What is the most likely cause of this swelling?

Accepted Answer

Immune cells responding to trapped pathogens

Question 11

Which of the following lymphoid organs contains lymphoid follicles with germinal centers and is the most important secondary lymphoid organ?

Accepted Answer

Lymph node

Question 12

Which cell type in lymphoid tissues is responsible for producing antibodies?

Accepted Answer

B lymphocytes (plasma cells)

Question 13

Which of the following is a function of the spleen?

Accepted Answer

Filtering blood and removing aged red blood cells

Question 14

Which structure is NOT considered a secondary lymphoid organ?

Accepted Answer

Thymus

Question 15

Which of the following best describes the function of Peyer's patches in the small intestine?

Accepted Answer

Generate memory lymphocytes and build immune memory

Question 16

Which of the following statements about the structure of lymph nodes is correct?

Accepted Answer

The cortex contains lymphoid follicles with germinal centers.

Question 17

Which of the following is a difference between the thymus and other lymphoid organs?

Accepted Answer

The thymus does not directly fight antigens and has no follicles.

Question 18

Which of the following best explains why lymphatic vessels have valves?

Accepted Answer

To prevent backflow and ensure one-way movement of lymph

Question 19

Which tonsil is located at the posterior end of the oral cavity and is most often infected?

Accepted Answer

Palatine tonsil

Question 20

A patient has a tumor blocking lymphatic drainage in the right leg. Which of the following is the most likely consequence?

Accepted Answer

Accumulation of interstitial fluid and localized edema

Lymphatic System: Structure, Function, and Clinical Relevance

Guida di studio - Domande di pratica

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