Question 1

Which of the following best describes the primary function of the lymphatic system?

Accepted Answer

To return fluids leaked from blood vessels back to the blood and provide the structural basis of the immune system

Question 2

A patient presents with severe localized edema after cancer surgery. Which of the following best explains this condition?

Accepted Answer

Insufficient return of lymph to the blood due to removal of lymphatics

Question 3

Which of the following is TRUE regarding lymphatic capillaries?

Accepted Answer

They are absent from bones and teeth

Question 4

Which lymphatic structure is specialized for the absorption and transport of digested fats?

Accepted Answer

Lacteals

Question 5

A blockage in the right lymphatic duct would most likely result in edema in which region?

Accepted Answer

Right upper limb and right side of head and thorax

Question 6

Which of the following mechanisms does NOT contribute to lymph transport?

Accepted Answer

Contraction of cardiac muscle

Question 7

Which cell type is responsible for producing antibodies in response to antigens?

Accepted Answer

Plasma cells derived from B lymphocytes

Question 8

Which of the following best describes the role of dendritic cells in lymphoid tissues?

Accepted Answer

They capture antigens and deliver them to lymph nodes to activate T cells

Question 9

Which of the following is a primary lymphoid organ?

Accepted Answer

Thymus

Question 10

A patient has swollen, tender lymph nodes following a bacterial infection. What is the most likely explanation for this finding?

Accepted Answer

The lymph nodes are overwhelmed by bacteria and filled with pus (buboes)

Question 11

Which of the following best describes the function of the spleen’s red pulp?

Accepted Answer

Destruction of old blood cells and bloodborne pathogens

Question 12

Which of the following is NOT a function of the spleen?

Accepted Answer

Production of plasma proteins for blood clotting

Question 13

Which of the following statements about the thymus is CORRECT?

Accepted Answer

It is the site of T lymphocyte maturation and does not directly fight antigens

Question 14

Which of the following best explains why lymph flow through a lymph node is slow?

Accepted Answer

There are fewer efferent vessels than afferent vessels

Question 15

Which of the following is a function of mucosa-associated lymphoid tissue (MALT)?

Accepted Answer

Protection against pathogens entering through mucous membranes

Question 16

Which of the following structures is most likely to regenerate in a child under 12 after partial removal?

Accepted Answer

Spleen

Question 17

Which of the following best describes the role of Peyer’s patches?

Accepted Answer

Prevention of bacterial breach of the intestinal wall and generation of memory lymphocytes

Question 18

Which of the following is a distinguishing feature of the thymus compared to other lymphoid organs?

Accepted Answer

Its stroma consists of epithelial cells, not reticular fibers

Question 19

Which of the following equations best represents the net filtration pressure (NFP) that drives fluid movement at the capillary bed, contributing to lymph formation?

Accepted Answer

$$	ext{NFP} = (	ext{HP}_c - 	ext{HP}_{if}) - (	ext{OP}_c - 	ext{OP}_{if})$$

Question 20

A patient’s lymph node biopsy reveals large numbers of dividing B cells in germinal centers. In which region of the lymph node are these cells most likely located?

Accepted Answer

Cortex

Chapter 20

Guida di studio - Domande di pratica

Study guide - Flashcard