Immunology Quiz Flashcards
A lymphoblast can produce which of the following blood cells?
a) Platelets
b) Immature T cells
c) Red blood cells
d) Monocytes
e) Immature B cells
b) Immature T cells
e) Immature B cells
Which of the following are correct with respect to the bone marrow?
a) It contains pluripotent haematopoietic stem cells
b) It releases mature B and T cells
c) It contains mature B cells
d) It is the major site of blood cell production in adults
e) It contains myeloid and lymphoid progenitor cells
a) It contains pluripotent haematopoietic stem cells
c) It contains mature B cells
d) It is the major site of blood cell production in adults
e) It contains myeloid and lymphoid progenitor cells
Which of the following are correct with respect to B cells?
a) They mature as soon as they reach secondary lymphoid tissue
b) They are responsible for immune surveillance
c) They are known as transitional B cells until they mature
d) They must encounter their antigen marker in order to mature
e) They undergo apoptosis if they do not encounter their specific antigen
b) They are responsible for immune surveillance
c) They are known as transitional B cells until they mature
d) They must encounter their antigen marker in order to mature
e) They undergo apoptosis if they do not encounter their specific antigen
Lymphocytes…
a) can be either T cells or B cells
b) mature in the thymus gland
c) are found in the tissues
d) are found in the circulation
a) can be either T cells or B cells
T cells…
a) can be either T cells or B cells
b) mature in the thymus gland
c) are found in the tissues
d) are found in the circulation
b) mature in the thymus gland
Monocytes…
a) can be either T cells or B cells
b) mature in the thymus gland
c) are found in the tissues
d) are found in the circulation
d) are found in the circulation
Macrophages…
a) can be either T cells or B cells
b) mature in the thymus gland
c) are found in the tissues
d) are found in the circulation
c) are found in the tissues
Which of the following statements are correct?
a) During red cell recycling peptides from the red cell membrane are presented by macrophages
b) Phosphatidylserine is normally present on the extracellular surface of the red cell membrane
c) Red cells are most likely targeted for recycling because of sustained membrane damage during their life-span
d) Macrophages have a receptor for phosphatidylserine
e) Presentation of -non-self’ peptides can trigger T cell activation
a) During red cell recycling peptides from the red cell membrane are presented by macrophages
c) Red cells are most likely targeted for recycling because of sustained membrane damage during their life-span
d) Macrophages have a receptor for phosphatidylserine
e) Presentation of -non-self’ peptides can trigger T cell activation
Select the correct statement; in order to become activated, B cells…?
a) must have bound their target antigen
b) must migrate to the secondary lymphoid tissues
c) do not require the help of an activated T cell
d) require the help of an activated T cell
e) do not require their target antigen to be bound
a) must have bound their target antigen
b) must migrate to the secondary lymphoid tissues
d) require the help of an activated T cell
Which of the following statements are correct with respect to plasma cells?
a) They differentiate from B cells
b) They differentiate from T cells
c) They secrete antibody
d) They differentiate from macrophages
e) They can persist in the body for many years
a) They differentiate from B cells
c) They secrete antibody
Which of the following statements are correct with respect to memory cells?
a) They can persist in the body for many years
b) They differentiate from B cells
c) They need to encounter their target antigen to replicate
d) They secrete antibody
e) They differentiate from T cells
a) They can persist in the body for many years
b) They differentiate from B cells
c) They need to encounter their target antigen to replicate
d) They secrete antibody
Which of the following statements are correct with respect to red cell membrane proteins?
a) Spectrin, Ankyrin and 4.2 are all examples of peripheral proteins
b) Spectrin, Ankyrin and 4.2 are all examples of integral proteins
c) Integral proteins are transmembrane and extracellular
d) Peripheral proteins are found in the internal cytoplasm domain of the red cell
e) Spectrin, GPA and 4.2 are all examples of peripheral proteins
a) Spectrin, Ankyrin and 4.2 are all examples of peripheral proteins
c) Integral proteins are transmembrane and extracellular
d) Peripheral proteins are found in the internal cytoplasm domain of the red cell
Which of the following statements are correct with respect to immunogenicity of a substance entering a host?
a) Only protein or carbohydrate substances would potentially lead to an immune response
b) The larger the amount present the greater chance of an immune response
c) It needs to be relatively large in size
d) It needs to be recognised as foreign to that host
e) It may be protein, carbohydrate or lipid in nature
b) The larger the amount present the greater chance of an immune response
c) It needs to be relatively large in size
d) It needs to be recognised as foreign to that host
e) It may be protein, carbohydrate or lipid in nature
Select the correct statements.
Production of blood group antibodies can occur following:
a) Pregnancy
b) Transfusion of PLT components
c) Transfusion of RBC components
d) Transfusion of FFP
e) Allogeneic transplantation
a) Pregnancy
b) Transfusion of PLT components
c) Transfusion of RBC components
e) Allogeneic transplantation
Select the correct statements.
The immunoglobulin class of blood group antibodies can be?
a) IgA
b) IgE
c) IgG
d) IgD
e) IgM
a) IgA
c) IgG
e) IgM
