Chpt. 20

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Questions and Answers

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

Appendectomy
Adenoidectomy
Tonsillectomy (correct)
Lymph node resection

The lymphatic circulation:

accompanies the aorta and its branches.
is most closely associated with the venous side of the circulation. (correct)
plays a vital role in hemostasis.
is concerned with the transport of oxygen.

The spleen:

removes worn-out blood cells from circulation. (correct)
secretes splenic hormones that control the entire lymphoid system.
is avascular.
is located in the RUQ.

Lymph is:

formed from tissue fluid. (A) Signup and view all the answers

Thymosin:

is a hormone. (D) Signup and view all the answers

What is the similarity between the thoracic duct and the right lymphatic duct? Both:

are large lymphatic ducts that collect lymph from smaller lymphatic vessels. (B) Signup and view all the answers

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

Axillary lymph nodes (D) Signup and view all the answers

The right lymphatic duct and the thoracic duct empty into the:

subclavian veins. (C) Signup and view all the answers

Which of the following best describes the lymphatic capillaries?

They have large pores and follow venous pathways. (B) Signup and view all the answers

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

A hyperactive spleen (C) Signup and view all the answers

Which of the following is (are) described as partially encapsulated lymph nodes located in the throat area?

Tonsils (A) Signup and view all the answers

Which of the following is least associated with tonsils?

Thrombopoiesis (B) Signup and view all the answers

Where does lymph originally come from?

Interstitium (C) Signup and view all the answers

With which of the following are lymph nodes populated?

Lymphocytes and macrophages (B) Signup and view all the answers

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

Thymus gland (B) Signup and view all the answers

Lymphatic capillaries:

absorb tissue fluid and transport it toward the heart. (C) Signup and view all the answers

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

lymphoid organs. (A) Signup and view all the answers

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

thrombocytopenia and bleeding. (D) Signup and view all the answers

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

Producing a lifelong supply of red blood cells (B) Signup and view all the answers

Why does lymph contain protein?

Protein leaks out of the capillaries into the tissue spaces and is absorbed into the lymphatic capillaries. (C) Signup and view all the answers

The thoracic duct:

receives lymph from large lymphatic vessels that drain the left side of the body. (A) Signup and view all the answers

Lymph from the right arm and the right side of the head and thorax drains into the:

right lymphatic duct. (A) Signup and view all the answers

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

Pharyngeal tonsils (D) Signup and view all the answers

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

painful cervical lymph nodes. (A) Signup and view all the answers

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

Thymus gland (D) Signup and view all the answers

Flashcards

Systema lymphaticum

Cumulatio vasorum et lymphonum in corpore humano.

Lymphon

Fluidum clearum continens cellulas lymphocyticas.