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WorksheetsPre-Test: Immunology
Total questions: 74
Worksheet time: 1hrs 7mins
Which of the follow BEST describes the function of the lymphatic system?
Drains excess blood from tissues into the subclavian arteries
Drains excess fluid from tissues into the subclavian arteries
Drains excess blood from tissues into the subclavian veins
Drains excess fluid from tissues into the subclavian veins
The right lymphatic duct drains fluid from the...
Right side of head and chest, right arm, abdomen, and legs
Left side of head and chest, left arm, abdomen, and legs
Right side of head, chest, and right arm
Left side of head, chest, and right arm
The Thoracic Duct drains fluid from the...
Left side of head and head, left arm
Right side of head and head, right arm
Right side of head and chest, right arm, abdomen, and legs
Left side of head and chest, left arm, abdomen, and legs
Which of the following describes the physiological relationship between blood capillaries and lymph capillaries?
Lymph capillaries meander around blood capillaries
Lymph capillaries absorb excess interstitial fluid leaking from blood capillaries and return it to the venous system
Lymph capillaries absorb excess interstitial fluid leaking from blood capillaries and return it to the arterial system
Blood capillaries absorb excess interstitial fluid leaking from Lymph capillaries and return it to the arterial system
Blood capillaries absorb excess interstitial fluid leaking from Lymph capillaries and return it to the venous system
The fluid inside of a lymph vessel is referred to as...
Blood
Lymph
Interstitial Fluid
WBCs
Plasma
Lymph always travels __ .
Superiorly
Proximally
Inferiorly
Distally
The flow of lymph is unidirectional because ___ prevents backflow.
Minivalves
Sphincters
Ducts
Glands
Smooth Muscle
Lymph vessels have to be "milked" because the lymphatic system is a...
low-pressure, pumpless system.
high-pressure, pumpless system.
low-pressure, pump system.
high-pressure, pump system.
The process of "milking" is performed by which of the following? Select all that apply.
Skeletal Muscles
Smooth Muscles in Lymph Vessel Walls
Respiratory Muscles
Cardiac Muscle
Smooth Muscles in Blood Vessel Walls
Lymph enters the lymph nodes via the _____ and leaves via the ____.
Afferent Vessels, Efferent Vessels
Efferent Vessels, Afferent Vessels
Medulla, Cortex
Cortex, Medulla
Medullary Sinuses, Subcapsular Sinuses
In what order does lymph flow through the lymph node?
Afferent Vessels > Subcapsular Sinuses > Medullary Sinuses > Efferent Vessels
Afferent Vessels > Medullary Sinuses > Subcapsular Sinuses > Efferent Vessels
Efferent Vessels > Medullary Sinuses > Subcapsular Sinuses > Afferent Vessels
Efferent Vessels > Subcapsular Sinuses > Medullary Sinuses > Afferent Vessels
Why is it important for lymph to filter through the lymph node slowly?
To maximize filtration of foreign bodies and debris
To minimize filtration of foreign bodies and debris
To minimize blockage of foreign bodies and debris
To maximize blockage of foreign bodies and debris
To minimize lymph overflow into the venous system
Why anatomically causes lymph to flow slowly through the lymph node?
More afferent vessels than efferent vessels
More efferent vessels than afferent vessels
More cortical sinuses than medullary sinuses
More medullary sinuses than cortical sinuses
What important function do the follicles of the cortex perform for lymph node filtration?
Collection of lymphocytes that initially respond to foreign bodies in lymph
Enlarge when antibodies are released by plasma cells
Contain phagocytic macrophages that engulf and destroy bacteria, viruses, and other foreign substances in lymph
Contain phagocytic erythrocytes that engulf and destroy bacteria, viruses, and other foreign substances in lymph
What important function do the germinal centers of the cortex perform for lymph node filtration?
Collection of lymphocytes that initially respond to foreign bodies in lymph
Enlarge when antibodies are released by plasma cells
Contain phagocytic macrophages that engulf and destroy bacteria, viruses, and other foreign substances in lymph
Contain phagocytic erythrocytes that engulf and destroy bacteria, viruses, and other foreign substances in lymph
Before leaving the medulla, what role do macrophages play in lymph filtration?
Prevent the backflow of lymph into the cortex
Enlarge when antibodies are released by plasma cells
Engulf and destroy bacteria, viruses, and debris in lymph
Remove excess fluid from venous system
The purpose of the immune system is to:
Help germs invade your body
Fight off sickness
Make your nose run
Give you diarrhea
Which Immunity is involved with remembering specific pathogens?
Innate Immunity
Adaptive Immunity
What do chemical barriers include?
Tears, breast milk, sweat, saliva, stomach acid
Tears, breast milk, sweat, stomach acid, and feces
Tears and urine
Hair, breast milk, sweat, saliva, stomach acid
Which cells are NOT part of Adaptive (specific) Immunity?
Phagocytes
B cells
T cells
None of the above
The macrophages of the aggregated lymphatic follicles found in the walls of the small intestine destroy bacteria and prevent the bacteria from infecting and penetrating the walls of the intestine. These aggregated follicles are also known as ____.
Peyer's patches
chyme
chyle
interstitial fluid
The tiny oval shaped lymph structure located throughout the body are known as?
lymph nodes
lymph fluid
spleen
What is the Lymphatic System?
a vital part of the immune system
a vital part of the digestive system
a vital part of the nervous system
it is also called the immune system
What organs does the Lymphatic system include?
Bone marrow,Spleen,Lymph nodes,Tonsils,Thymus,Lymphatic vessels,Peyer patches in the small intestine,Appendix
Bone marrow,Tonsils, Appendix,Thymus,Lymph nodes
Bone marrow,Tonsils, Appendix,Thymus,Lymph nodes
Lymph nodes, Lymphatic vessels
What are the two main organs of the lymph system?
Thymus & Pancreas
Spleen & Thymus
Pancreas & Thyroid
Tonsils & Tyroid
Which immune system organ is found in the back of the throat?
thymus
spleen
tonsil
liver
The fluid found in between cells :
extracellular fluid
plasma
lymphatic fluid
extramarital fluid
What is the 2 main functions of the lymphatic system?
inflamation and wound healing
defence and inflamation
drainage and defence
blood circulation and defence
Choose the best answer below for the route/story of cellular waste
extracellular fluid -> lymph -> plasma
extracellular fluid -> plasma -> lymph
plasma -> lymph -> extracellular fluid
lymph -> extracellular fluid -> plasma
What part of the lymphatic system has a high concentration of WBCs?
extracellular fluid
valves
lymph nodes
lymphatic vessels
The heart helps partially pump lymph throughout the lymphatic vessels.
True
False
The action of WBCs engulfing(eating) invaders.
phagocytosis
diapedesis
systole
diastole
The action of WBCs squeezing through thin/small openings
phagocytosis
antigen
antibody
diapedesis
An invader has a particular __________ that can be recognized by a WBC.
chromosome
pathogen
antigen
antibody
Where does lymph get dumped into at the end?
into the bladder
into the right atrium
into the kidneys
into the blood
When fluid around cells enter the lymphatic vessels, we call it _________.
platelets
lymph
lymph nodes
plasma
A WBC's _______ will be released in the presence of a known invader to neutralized it.
lymph
antibody
antigen
pathogen
What are the 2 ways WBCs help defend us:
urether + urethra
phagocytosis + antibodies
phagocytosis + diapedesis
diapedesis + diastole
