Textbook Question
Stem cells responsible for lymphocytopoiesis are located in:
(a) The thymus and spleen
(b) The lymph nodes
(c) The red bone marrow
(d) All of these structures
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20. The Lymphatic System
Overview of Lymphoid Organs
Back20. The Lymphatic System
Overview of Lymphoid Organs
- Textbook Question
Once almost a rite of childhood, tonsillectomy (surgical removal of the tonsils) is now rarely performed. Similarly, while ruptured spleens were once routinely removed, they are now conserved whenever possible. Why should these lymphoid organs be preserved when possible?
1views - Multiple ChoiceCollections of lymphoid tissue that guard mucosal surfaces (MALT) include all the following EXCEPT __________.2views
- Multiple ChoiceWhich of the following is NOT a role of the spleen?2views
- Multiple ChoiceWhich structure, attached to the cecum, is in an ideal location to destroy bacteria before they breach the intestinal wall?2views
- Textbook Question
More than one choice may apply.
Which of the following are part of MALT?
a. Tonsils
b. Thymus
c. Peyer’s patches
d. Any lymphoid tissue along the digestive tract
1views - Textbook Question
Compare the structure and functions of a lymph node to those of the spleen.
1views - Textbook Question
Carla presents to her physician with a complaint of swollen axillary lymph nodes. Her physician performs a breast exam and finds a tumor on the same side as the swollen nodes.
b. Carla undergoes surgery to have the tumor and affected lymph nodes and surrounding lymphatic vessels removed. Predict any complications Carla might have after the surgery that could arise from removal of the lymph nodes and vessels.
1views - Multiple ChoiceWhich of the following statements about the spleen is FALSE?2views
- Multiple ChoiceChoose the true statement about the thymus.3views
- Multiple Choice
Which of the following statements about the development of lymphocytes is correct?
- Textbook Question
The germinal centers in lymph nodes are largely sites of:
a. Macrophages
b. Proliferating B lymphocytes
c. T lymphocytes
d. All of these
- Multiple ChoiceWhat lymphatic structures trap bacteria in the posterior oral cavity?1views
- Multiple ChoiceAreas of lymphocytes suspended by reticular fibers in the spleen are known as __________.2views
- Multiple ChoiceThe lymphoid organ(s) located in the throat that defend(s) against invading bacteria coming in through the mouth and nose is/are __________.3views