Chapter 20 Lymphatic System

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What is the name of the lymph nodes that drain the head and neck region?

cervical

Elephantiasis is

edema formation in response to impaired lymphatic drainage

lymph is

formed from tissue fluid

Which of the following is caused by a viral infection involving the lymph nodes and is called the "kissing disease"?

infectious mononucleosis

A lacteal is located within the

intestinal villus

Thymosin

is a hormone

The spleen, thymus gland, tonsils, and lymph nodes are

lymphoid organs

A person has a severe streptococcal pharyngitis (sore throat.) He is most likely to develop

painful cervical lymph nodes

The subclavian vein

receives lymph from the large lymphatic ducts

The spleen

removes worn-out blood cells from circulation

Lymph from the right arm and the right side of the head and thorax drain into the

right lymphatic duct

The right lymphatic duct and the thoracic duct empty into the

subclavian veins

What happens if the lymphatic vessels and nodes are removed from the right axillary region

the right arm will become edematous

What structure is concerned with the processing and maturation of T lymphocytes

thymus gland

Which lymphoid organ is located the ventral cavity, thoracic cavity, and mediastinum?

thymus gland

What is the term that refers to the removal of palatine tonsils

tonsillectomy

Which of the following is described as partially encapsulated lymph nodes located in the throat area

tonsils

Least characteristic of pharyngeal tonsils

tonsils that are most commonly removed by tonsillectomy

If proteins are allowed to accumulate in the interstitial space, they will

"hold water" and cause edema

Which of the following conditions is most likely to cause a platelet deficiency?

A hyperactive spleen

Why does lymph contain protein

Protein leaks out of the capillaries into the tissue spaces and is absorbed into the lymphatic capillaries

A young woman is diagnosed with breast cancer. She is most apt to have

a sentinel node biopsy before the mastectomy is performed

Which of the following best describes the lymphatic capillaries

they have large pores and follow venous pathways

What is (are) the lymphoid structure(s) that are generally removed during a mastectomy?

Axillary lymph nodes

The inguinal lymph nodes

are located in the groin

What structures are located near the opening of the nasal cavity in the upper throat and are also called the adenoids?

pharyngeal tonsils

Where does lymph originally come from?

right lymphatic duct

An overly active spleen may prematurely remove platelets from the circulation, thereby predisposing the person to

thrombocytopenia and bleeding


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