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The cisterna chyli:


A) originates in the right lymphatic duct.
B) originates in the thoracic duct.
C) is the storage area for hormones made by the thymus gland.
D) filters the chyle coming from the small intestine.

E) B) and C)
F) None of the above

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The tonsils located near the posterior opening of the nasal cavity are called the _____ tonsils.


A) palatine
B) pharyngeal
C) lingual
D) laryngeal

E) A) and C)
F) A) and B)

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In advanced old age, the thymus may be largely replaced by:


A) fat.
B) protein.
C) scar tissue.
D) cartilage.

E) C) and D)
F) A) and B)

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Compare and contrast mechanisms for the movement of lymph through lymphatic vessels with the movement of blood through veins.

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The movement of lymph through lymphatic ...

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Even though some lymph nodes occur in clusters, most occur as single nodes.

A) True
B) False

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Name and give the location of the major clusters of lymph nodes in the body.

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Lymph nodes are small, bean-shaped struc...

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Adenitis is:


A) an infected adenoid.
B) an infected lymph node.
C) tissue swelling.
D) none of the above.

E) All of the above
F) None of the above

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The lymphatic system contributes to the circulatory system.

A) True
B) False

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Thymosin enables lymphocytes to develop into mature T cells, which attack foreign or abnormal cells.

A) True
B) False

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How would muscle contraction affect lymphokinetic action?


A) There is no association between muscle contraction and lymphokinetic action.
B) A decreased flow of lymph that occurs with increased physical activity helps return fluid to the cardiovascular system.
C) Contraction of the smooth muscle in the thoracic vessel walls prohibits lymphatic vessels from pulsing rhythmically and, thus, helps to keep lymph from moving from one valved segment to the next.
D) Increased external pressure from muscle contraction also increases lymphatic pressure, which results in keeping lymph moving in only one direction.

E) C) and D)
F) B) and D)

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The thymus is located in the:


A) right hypochondriac region.
B) left hypochondriac region.
C) mediastinum.
D) neck.

E) All of the above
F) A) and B)

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The high concentration of protein in the thoracic duct results from the protein-rich lymph that drains from the:


A) skeletal muscle groups.
B) bronchial tree of the lung.
C) liver.
D) Both A and C are correct.

E) A) and C)
F) C) and D)

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There are between 10 to 15 axillary lymph nodes.

A) True
B) False

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An infection in the thumb may result in enlargement of the _____ nodes.


A) submental
B) inguinal
C) superficial cervical
D) superficial cubital

E) A) and D)
F) A) and C)

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Lymph from the entire body drains eventually into the thoracic duct.

A) True
B) False

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Compare and contrast the compositions of the following: Lymph Interstitial fluid Plasma

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Lymph, interstitial fluid, and plasma ar...

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Lymph flows through the thoracic duct and reenters the general circulation at the rate of about _____ liter(s) per day.


A) 1
B) 0.5
C) 3
D) 5

E) A) and D)
F) B) and D)

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Protein substances that have left the bloodstream return by way of lymph fluid.

A) True
B) False

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Peyer patches are isolated nodules of lymphatic tissue in the intestinal wall.

A) True
B) False

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Which of the following is a true statement?


A) The wall of the lymphatic capillary consists of a multiple layer of flattened endothelial cells.
B) Lymphatic and blood capillary networks are dependent on each other.
C) Lymph from the entire body, except the upper right quadrant, drains eventually into the thoracic duct.
D) The thoracic duct is approximately the same size as the large veins.

E) All of the above
F) A) and B)

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