BHS 316 Midterm 1 Exam
Questions and Answers 100%
PASS
What is all the fluid between cells? - CORRECT ANSWER-lymph/ interstitial
fluid
Is the lymphatic system open or closed? - CORRECT ANSWER-open- clls can
enter the lymphatic vessel endpoints and go through valves in one direction
Where do lymphatic vessels fuse? - CORRECT ANSWER-at lymph nodes
What moves lymph fluid throughout the body? - CORRECT ANSWER--
muscular movement
- breathing
- simple gravity
Where do lymphatic vessels all converge to? - CORRECT ANSWER-the thoracic
duct
Where do lymphatic vessels drain their contents to? - CORRECT ANSWER-to
the right and left subclavian veins in the thorax
,How fast do you move in blood relative to lymph? - CORRECT ANSWER-much
faster in blood
What explains bed sores? - CORRECT ANSWER-no movement of lymphatic
system = increased risk of infection
If the lymphatic system is in one direction, how do cells leave it/ come back to
where they started? - CORRECT ANSWER-they go through the thoracic duct
into the circulatory system
What do you call the lymph node that gets swollen? - CORRECT ANSWER-the
local lymph node
What is the difference between central and peripheral lymphoid tissues? -
CORRECT ANSWER-- central = involved in development of immune cells
- peripheral = sites for immune responses to antigens
All immune cells are derived from __________________ - CORRECT
ANSWER-bone marrow stem cells (part of central lymphoid tissue)
Where is the site of development of T cells? - CORRECT ANSWER-thymus (part
of central lymphoid tissue)
Where do the lymph nodes collect antigens from? - CORRECT ANSWER-tissues
+ lymph fluid
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, Where does the spleen collect antigens from? - CORRECT ANSWER-blood
Where does the mucosal associated lymphoid tissue collect antigens from? -
CORRECT ANSWER-mucosa
What facilitates the entry of lymphocytes into lymphoid tissue? - CORRECT
ANSWER-HEVs- high endothelial valves
How do HEVs allow immune cells into the lymphatic system? - CORRECT
ANSWER-They provide adhesion molecules to allow immune cells to roll on the
wall of the HEV
Major functions of lymph nodes - CORRECT ANSWER-1. trap antigens
2. provide organized area for antigen presentation
3. provide signals to maintain lymphocyte survival
4. site of initiation of adaptive response
5. lymphocytes cross into lymphatics from blood by interacting with HEVs at the
lymph node
Major functions of the spleen - CORRECT ANSWER-- filter blood for antigens
- remove damaged cells
- basically like the lymph node but for blood
What is the red pulp? - CORRECT ANSWER-- region of spleen
Questions and Answers 100%
PASS
What is all the fluid between cells? - CORRECT ANSWER-lymph/ interstitial
fluid
Is the lymphatic system open or closed? - CORRECT ANSWER-open- clls can
enter the lymphatic vessel endpoints and go through valves in one direction
Where do lymphatic vessels fuse? - CORRECT ANSWER-at lymph nodes
What moves lymph fluid throughout the body? - CORRECT ANSWER--
muscular movement
- breathing
- simple gravity
Where do lymphatic vessels all converge to? - CORRECT ANSWER-the thoracic
duct
Where do lymphatic vessels drain their contents to? - CORRECT ANSWER-to
the right and left subclavian veins in the thorax
,How fast do you move in blood relative to lymph? - CORRECT ANSWER-much
faster in blood
What explains bed sores? - CORRECT ANSWER-no movement of lymphatic
system = increased risk of infection
If the lymphatic system is in one direction, how do cells leave it/ come back to
where they started? - CORRECT ANSWER-they go through the thoracic duct
into the circulatory system
What do you call the lymph node that gets swollen? - CORRECT ANSWER-the
local lymph node
What is the difference between central and peripheral lymphoid tissues? -
CORRECT ANSWER-- central = involved in development of immune cells
- peripheral = sites for immune responses to antigens
All immune cells are derived from __________________ - CORRECT
ANSWER-bone marrow stem cells (part of central lymphoid tissue)
Where is the site of development of T cells? - CORRECT ANSWER-thymus (part
of central lymphoid tissue)
Where do the lymph nodes collect antigens from? - CORRECT ANSWER-tissues
+ lymph fluid
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED
, Where does the spleen collect antigens from? - CORRECT ANSWER-blood
Where does the mucosal associated lymphoid tissue collect antigens from? -
CORRECT ANSWER-mucosa
What facilitates the entry of lymphocytes into lymphoid tissue? - CORRECT
ANSWER-HEVs- high endothelial valves
How do HEVs allow immune cells into the lymphatic system? - CORRECT
ANSWER-They provide adhesion molecules to allow immune cells to roll on the
wall of the HEV
Major functions of lymph nodes - CORRECT ANSWER-1. trap antigens
2. provide organized area for antigen presentation
3. provide signals to maintain lymphocyte survival
4. site of initiation of adaptive response
5. lymphocytes cross into lymphatics from blood by interacting with HEVs at the
lymph node
Major functions of the spleen - CORRECT ANSWER-- filter blood for antigens
- remove damaged cells
- basically like the lymph node but for blood
What is the red pulp? - CORRECT ANSWER-- region of spleen
