Question 1

Which of the following lymphatic organs is primarily responsible for the maturation of T lymphocytes?

Accepted Answer

Thymus

Question 2

A patient presents with swelling in the axillary region after a mastectomy. Which lymph nodes are most likely affected?

Accepted Answer

Axillary lymph nodes

Question 3

Which of the following best describes the difference between primary and secondary lymphoid organs?

Accepted Answer

Primary organs are sites of lymphocyte maturation, secondary organs are sites of immune response activation

Question 4

Which structure is responsible for draining lymph from the right arm and right side of the head and thorax?

Accepted Answer

Right lymphatic duct

Question 5

Afferent lymphatic vessels carry lymph ________.

Accepted Answer

Toward the lymph node

Question 6

Which of the following is a function of the spleen?

Accepted Answer

Filtration of blood and removal of old erythrocytes

Question 7

Which formula correctly represents the calculation of lymph flow rate ($$Q) $$given pressure difference ($$\Delta P) $$and resistance ($$R$$)?

Accepted Answer

$$Q = \Delta P / R$$

Question 8

A patient with a splenic injury is at increased risk for which of the following?

Accepted Answer

Decreased immune response to blood-borne pathogens

Question 9

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

Accepted Answer

They monitor intestinal bacteria and prevent the growth of pathogenic bacteria in the intestines

Question 10

Which cell type is primarily responsible for the production of antibodies?

Accepted Answer

B cells

Question 11

A patient is diagnosed with lymphedema in the lower limb. Which lymphatic structure is most likely obstructed?

Accepted Answer

Thoracic duct

Question 12

Which of the following is NOT a component of the innate immune system?

Accepted Answer

Antibodies

Question 13

Which equation best represents the relationship between osmotic pressure ($$\pi$$), solute concentration ($$C$$), gas constant ($$R$$), and temperature ($$T$$)?

Accepted Answer

$$\pi = CRT$$

Question 14

Which lymphatic organ contains white pulp and red pulp, and what is the main function of the white pulp?

Accepted Answer

Spleen; immune response to blood-borne antigens

Question 15

Which of the following best explains why lymphatic capillaries are highly permeable?

Accepted Answer

They lack a basement membrane and have overlapping endothelial cells

Question 16

A patient with an autoimmune disorder is experiencing tissue damage due to immune cell attack. Which part of the immune system is malfunctioning?

Accepted Answer

Adaptive immunity

Question 17

Which of the following is a correct sequence for lymph flow through a lymph node?

Accepted Answer

Afferent vessel → cortex → medulla → efferent vessel

Question 18

Which of the following is a function of lymph nodes?

Accepted Answer

Filtration of lymph and activation of immune responses

Question 19

Which of the following best describes the role of the thoracic duct?

Accepted Answer

Drains lymph from the left side of the body and both lower limbs

Question 20

A patient with a deficiency in MALT (Mucosa-associated lymphoid tissue) would most likely experience increased infections in which area?

Accepted Answer

Mucosal surfaces such as the gut and respiratory tract

Lymphatic and Immune System: Anatomy & Physiology Study Notes

Guida di studio - Domande di pratica

Study guide - Flashcard