The Lymphatic and Immune System
50 questions available
Questions
Which of the following best describes the primary components of the lymphatic system as outlined in the chapter?
View answer and explanationAccording to the chapter, what is a key characteristic of lymphatic capillaries?
View answer and explanationThe major lymphatic trunks collect lymph and lead into how many major ducts?
View answer and explanationWhich two ducts are the final collection vessels of the lymphatic system, into which the lymphatic trunks drain?
View answer and explanationWhich cell type is primarily responsible for producing antibodies upon detecting an antigen?
View answer and explanationWhat is the primary function of the red pulp in the spleen?
View answer and explanationWhat are the concentric, nest-like bodies found in the medulla of the thymus called?
View answer and explanationPeyer's patches are organized lymphoid nodules commonly found in which part of the body?
View answer and explanationWhich of the following is a key structural feature of tonsils?
View answer and explanationThe thymus is described as consisting of two lobes which are subdivided into smaller lobules by what structures?
View answer and explanationWhat type of lymphocyte is predominantly found in the germinal centers of Peyer's patches in adults?
View answer and explanationThe cortex of the thymus is mainly made up of which two components?
View answer and explanationWhat is the function of the M cells (microfold cells) found in the epithelium covering Peyer's patches?
View answer and explanationHow does the chapter describe the preparation of vaccines, using the COVID virus as an example?
View answer and explanationWhich of the following is NOT listed as a type of lymphatic trunk in the chapter?
View answer and explanationWhat is the function of the white pulp in the spleen?
View answer and explanationTonsils are covered by what type of epithelium?
View answer and explanationWhat are thymocytes?
View answer and explanationCompared to the surrounding intestinal villi, the follicle-associated epithelium covering Peyer's patches is characterized by having:
View answer and explanationWhich of these lymphoid organs is described as being large and non-encapsulated or only partially encapsulated?
View answer and explanationThe right lymphatic duct drains lymph from which areas of the body, as indicated by Figure 21.4?
View answer and explanationWhat is the primary cell type found in the cortex of the thymus that gives it a dense, cell-rich appearance?
View answer and explanationIn the spleen, lymphocytes are described as small cells with what characteristic appearance in H&E stained slides?
View answer and explanationPeyer's patches extend from the mucosa layer of the ileum into which other layer of the intestinal wall?
View answer and explanationWhich lymphatic organ contains two distinct tissues known as white pulp and red pulp?
View answer and explanationAccording to the chapter, what is lymph?
View answer and explanationWhich of the following organs is NOT listed in the text as a place where lymphocytes are found?
View answer and explanationWhat happens to the number of Hassall's corpuscles in the thymus throughout life?
View answer and explanationThe thoracic duct is one of the two main lymphatic ducts. What is the other one?
View answer and explanationWhat general role do antibodies, produced after vaccination, play in the body?
View answer and explanationThe text mentions that T lymphocytes are found in the zones between follicles in which lymphoid structure?
View answer and explanationWhich organ is divided into an outer cortex rich with cells and an inner, less dense medulla?
View answer and explanationWhat is the function of the crypts found in tonsils?
View answer and explanationWhich structure is NOT part of the list of five types of lymphatic trunks mentioned in the text?
View answer and explanationWhat is the primary substance filtered from the blood by the red pulp of the spleen?
View answer and explanationHistologically, how is the medulla of the thymus described in comparison to the cortex?
View answer and explanationAccording to the text, which immune cells react to an antigen and produce antibodies?
View answer and explanationWhere are germinal centers located within tonsils?
View answer and explanationThe chapter's background information lists several organs where lymphatic tissue is found. Which of the following is on that list?
View answer and explanationWhich of these is NOT a function of the spleen's red pulp?
View answer and explanationHow many lobes does the thymus consist of?
View answer and explanationIn addition to lymphocytes, what other key cell type makes up the cortex of the thymus?
View answer and explanationWhich lymphatic structures are described as oval or round follicles located in the wall of the ileum?
View answer and explanationThe spleen is covered by a capsule from which connective tissue structures extend inward. What are these extensions called?
View answer and explanationBesides the right and left jugular and subclavian trunks, which other major lymphatic trunk is paired (having a right and left)?
View answer and explanationBased on Figure 21.3, which group of lymph nodes is located in the groin area?
View answer and explanationWhat is the collective term for the five types of paired and unpaired lymphatic vessels that drain large areas of the body before lymph enters the ducts?
View answer and explanationThe maturation of T cells (thymocytes) primarily occurs in which region of the thymus?
View answer and explanationWhich organ filters blood, removing microorganisms and defective red blood cells?
View answer and explanationHow is the spleen's white pulp histologically described?
View answer and explanation