Chapter 20
What structures are located near the opening of the nasal cavity in the upper throat and are also called the adenoids?
Pharyngeal tonsils
What happens if the lymphatic vessels and nodes are removed from the right axillary region?
The right arm will become endematous
Which of the following best describes the lymphatic capillaries?
They have large pores and follow venous pathways
What structure is concerned with the processing and maturation of T lymphocytes?
Thymus gland
Lymph is
formed from tissue fluid
What is the term that refers to the removal of the palatine tonsils?
tonsillectomy
If proteins are allowed to accumulate in the interstitial space, they will
"hold water" and cause edema
Which of the following is caused by a viral infection involving the lymph nodes and is called the kissing disease?
Infectious mononucleosis
The spleen, thymus gland, tonsils, and lymph nodes are
Lymphoid Organs
Which of the following is described as partially encapsulated lymph nodes located in the throat area?
Tonsils
Which of the following is least characteristic of the pharyngeal tonsils?
Tonsils that are most commonly removed by tonsillectomy
Which of the following conditions is most likely to cause a platelet deficiency?
a hyperactive spleen
Where does lymph originally come from?
interstitial spaces
A lacteal is located within the
intestinal villus
A person has a severe streptococcal pharyngitis. He is most likely to develop
painful cervical lymph nodes
Why does lymph contain protein?
protein leaks out of the capillaries into the tissue spaces and is absorbed into the lymphatic capillaries
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
Which lymphoid organ is located in the ventral cavity, thoracic cavity and the mediastinum?
the thymus
An overly active spleen may prematurely remove platelets from the circulation thereby predisposing a person to
thrombocytopenia and bleeding