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Ch. 22 The Lymphatic System and Immunity
Martini - Fundamentals of Anatomy & Physiology 11th Edition
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089Not the one you use?Change textbook
All textbooksMartini, Nath, Bartholomew 11th EditionCh. 22 The Lymphatic System and ImmunityProblem 2
Chapter 22, Problem 2

Lymph from the right arm, the right half of the head, and the right chest is received by the
(a) Cisterna chyli
(b) Right lymphatic duct
(c) Right thoracic duct
(d) Aorta

Verified step by step guidance
1
Step 1: Understand the anatomy of the lymphatic drainage system, which collects lymph from different parts of the body and returns it to the bloodstream.
Step 2: Recall that the lymph from the right arm, right half of the head, and right chest is drained by a specific lymphatic duct responsible for the upper right quadrant of the body.
Step 3: Identify the lymphatic ducts: the right lymphatic duct drains lymph from the right upper limb, right side of the head and neck, and right thorax; the thoracic duct drains lymph from the rest of the body.
Step 4: Recognize that the cisterna chyli is a sac-like structure that collects lymph from the lower limbs and abdomen, not the right upper body.
Step 5: Conclude that the correct structure receiving lymph from the right arm, right half of the head, and right chest is the right lymphatic duct.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Lymphatic Drainage of the Upper Right Body

The lymphatic system collects excess fluid from tissues and returns it to the bloodstream. The right arm, right half of the head, and right chest drain lymph into a specific duct, which channels lymph back into the venous system. Understanding which regions drain into which ducts is essential for identifying the correct lymphatic pathway.
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Lymphatic Ducts

Right Lymphatic Duct

The right lymphatic duct is a short vessel that collects lymph from the right upper limb, right side of the head and neck, and right thorax. It empties lymph into the right subclavian vein, facilitating the return of lymph to the circulatory system. This duct is distinct from the thoracic duct, which drains lymph from the rest of the body.
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Lymphatic Ducts

Cisterna Chyli and Thoracic Duct

The cisterna chyli is a dilated sac at the lower end of the thoracic duct that collects lymph from the lower limbs and abdomen. The thoracic duct is the main lymphatic vessel draining lymph from the entire body except the right upper quadrant. It empties into the left subclavian vein, contrasting with the right lymphatic duct's drainage area.
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Thoracic Cage
Related Practice
Textbook Question

The major histocompatibility complex (MHC)

(a) Is responsible for forming lymphocytes

(b) Produces antibodies in lymph glands

(c) Is a group of genes that codes for human leukocyte antigens

(d) Is a membrane protein that can recognize foreign antigens

(e) Is the antigen found on bacteria that stimulates an immune response

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Textbook Question

Identify the structures of the lymphatic system in the following diagram.

a. ___

b. ___

c. ___

d. ___

e. ___

f. ___

g. ___

h. ___

i. ___

j. ___

k. ___

l. ___

m. ___

n. ___

o. ___

p. ___

q. ___

Textbook Question

The specificity of an antibody is determined by the

(a) Fixed segment

(b) Antigenic determinants

(c) Variable region

(d) Size of the antibody

(e) Antibody class

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Textbook Question

Anatomically, lymphatic vessels resemble

(a) Elastic arteries

(b) Muscular arteries

(c) Arterioles

(d) Medium veins

(e) The venae cavae

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