Chapter 20 Lymphatic system

alexamartin's version from 2017-10-17 07:18

Section 1

Question Answer
Lymphatic vessels _______. A) collect excess fluid from interstitial spaces B)drain blood from lymph nodes C) are part of the venous system D)are built like arteriesA) collect excess fluid from interstitial spaces
Lymphatic capillaries owe their permeability to the presence of _______. A) an open end that siphons fluid from the interstitial fluid B) minivalves in their walls C) tight junctions between adjacent cells D) proteins in the lymph fluidB) minivalves in their walls
______ can enter lymphatic capillaries. A) Bacteria B) Large proteins C) Intersitial fluid D) AllD) All
Fluid enters the lyphatic system directly from the ______. A) blood capillaries B) interstitial space C) lymph-collecting ducts D) Lymphatic trunks B) interstitial space
Once fluid enters the lymphatic system is called ______.lymph
True or false: the lymphatic system transports lipids from GI tract to the blood?True
Which of the following represents a logical sequence of structures that contribute to the return of fluid into the blood via the lymphatic system? A) Blood capillaries, arteries, lymphatic vessels, subclavian vein B) Arteries, lymphatic vessels, blood capillaries, subclavian vein C) Arteries, blood capillaries, lymphatic vessels, subclavian vein D) Subclavian vein, arteries, blood capillaries, lymphatic vesselsC) Arteries, blood capillaries, lymphatic vessels, subclavian vien
Which of the following contribute(s) to the flow of lymph through lymphatic vessels? A) The pumping of the heart B) The milking action of skeletal muscle contraction C) Pressure changes in the thorax that result from breathing D) Both b and cD) both b and c
These cells produce the fiber stroma of the lymphoid organs. A) Macrophages B) Dendritic cells C) Reticular cells D) Plasma cellsC) Recticular cells
These cells are able to produce antibodies. A) T lymphocytes B) Plasma cells C) Macrophages D) Dendritic cellsB) Plasma cells
The function of the macrophages most closely resembles that of: A) Dendritic cells B) Reticular cells C)T cells D) Plasma cellsA) Dendritic cells

Section 2

Question Answer
These cells populate the germinal centers of lymphoid follicles. A) T lymphocytes B) B lymphocytes C) Reticular cells D) MacrophagesB) B lymphocytes
Lymph tends to stall inside lymph nodes. This is due to the_______. A) small-diameter spaces within the medulla B) the large volume of lymph entering the node C) fewer efferent lymphatic vessels than afferent lymphatic vessels D) fewer afferent lymphatic vessels than efferent lymphatic vesselsC) fewer efferent lymphatic vessels than afferent lymphatic vessels
Which of the following lymphoid tissues removes defective red blood cells from the blood? A) Lymph node B) Thymus C) Spleen D) Peyer's patchesC) spleen
Red pulp of the spleen is most concerned with _______, while white pulp is most concerned with _________. A) immunity; new red blood cell formation B) filtering lymph; T lymphocyte formation C) blood filtering; immunity D) urine formation; blood filteringC) blood filtering; immunity
The thymus is important for _______. A) T lymphocyte maturation B) removal of foreign antigens C) B lymphocyte maturation D) secretion of hormones that promote B lymphocyte immunocompetenceA) T lymphocyte maturation
Tonsils promote memory of pathogens by ________. A) secreting antibodies into the blood B) trapping food particles to support bacterial growth C) trapping pathogens so lymphocytes can encounter them and develop immune cells with memory D)producing B lymphocytesC) trapping pathogens so lymphocytes can encounter them and develop immune cells with memory
Which of the following tissues is not considered part of MALT? A) Peyer's patches B) Appendix C) Tonsils D) SpleenD) Spleen
B cells are found in all of the following except the _______. A) Spleen B) Thymus C) Tonsils D) AppendixB) Thymus

Recent badges