Question 1

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

Accepted Answer

Delivers oxygen directly to tissues

Question 2

A patient presents with swelling in the right upper arm and right side of the head. Which lymphatic duct is most likely obstructed?

Accepted Answer

Right lymphatic duct

Question 3

Which of the following best describes lymph?

Accepted Answer

A clear fluid that enters lymphatic vessels from interstitial spaces

Question 4

Which of the following statements about lymphatic capillaries is TRUE?

Accepted Answer

They have one-way minivalves that allow fluid entry

Question 5

A patient has had their spleen removed. Which of the following is a likely consequence?

Accepted Answer

Decreased breakdown of old red blood cells

Question 6

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

Accepted Answer

There are fewer efferent vessels than afferent vessels

Question 7

Which structure is responsible for the maturation of T lymphocytes?

Accepted Answer

Thymus

Question 8

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

Accepted Answer

It provides the environment for T lymphocyte maturation

Question 9

Which of the following best describes the function of tonsillar crypts?

Accepted Answer

They trap and destroy bacteria and particulate matter

Question 10

A blockage in the lymphatic system can lead to which of the following conditions?

Accepted Answer

Edema due to accumulation of interstitial fluid

Question 11

Which of the following equations best represents the relationship between lymphatic flow ($$Q$$), pressure gradient ($$\Delta P$$), and resistance ($$R) in $$the lymphatic system?

Accepted Answer

$$Q = \Delta P / R$$

Question 12

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

Accepted Answer

Bone marrow

Question 13

Which of the following best explains why the lymphatic system is absent from the brain?

Accepted Answer

The brain has its own specialized drainage system called the glymphatic system

Question 14

Which of the following is a function of the spleen?

Accepted Answer

Destruction of old red blood cells

Question 15

Which of the following mechanisms helps propel lymph through lymphatic vessels?

Accepted Answer

Contractions of smooth muscle in the walls of lymphatics

Question 16

Which of the following best describes the role of lacteals in the lymphatic system?

Accepted Answer

They absorb digested fats and deliver chyle to the blood

Question 17

A patient with lymphadenopathy is most likely experiencing which of the following?

Accepted Answer

Enlarged lymph nodes due to infection or disease

Question 18

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

Accepted Answer

Afferent vessel → cortex → medulla → efferent vessel

Question 19

Which of the following best explains why individuals without a spleen are more susceptible to infections?

Accepted Answer

The spleen filters blood and removes pathogens, so its absence reduces immune surveillance

Question 20

Which of the following statements about the thymus is TRUE?

Accepted Answer

It is most active during childhood and atrophies after adolescence

The Lymphatic System: Structure, Function, and Major Organs

Guida di studio - Domande di pratica

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