PSL 310- Exam 3 Study guide
Questions Fully Solved 2026 Updated.
Thymus Gland - Answer T lymphocytes mature (are processed) in the _____ _____.
plasma cells - Answer Which cells secrete antibodies?
complement proteins - Answer Due to the activation of _____ _____, opsonization and
phagocytosis enhancement and formation of membrane attack complex and death of the
invading microbe can occur.
antigens - Answer T cell receptors bind to _____ that are bound to cell membrane proteins.
cytokines - Answer Helper T cells secrete _____ which are protein messengers that are
needed for B cells and cytotoxic T cells to function.
bone marrow - Answer B cells mature in the ____ _____.
B - Answer _____ cells become plasma cells which secrete antibodies.
Immunoglobins - Answer Antibodies are also called _____.
B cell receptor, antibody - Answer An immunoglobin on the membrane is a(n) _____ while
and immunoglobin in the blood is a(n) _____.
prongs - Answer Antibodies (specific for antigens) have antigen binding fragments, they are
located on the _____ of the 'Y'.
IgA - Answer Antibody _____ is found in human milk and saliva.
IgG - Answer Antibody _____ is the most abundant antibody.
IgE - Answer Antibody _____ is involved in allergies as we have seen.
clone - Answer A group of identical cells is called a _____.
, mark - Answer The antibodies _____ the invader or toxin.
opsonin - Answer A(n) _____ holds a microbe in place for a phagocyte to eat.
antibodies - Answer _____ act as opsonins, activate complement molecules, bind toxins and
viruses in the ECF, and bind to antigens and NK (natural killer) cells.
opsonin - Answer An activated complement molecule (C3b) acts as an _____, and promotes
phagocytosis.
memory - Answer The B cells that do not become plasma cells become _____ cells.
larger - Answer If the same antigen appears, the memory cells can quickly respond. The
antibody response is _____ than the first one.
are not - Answer Receptors on T cells _____ (are/are not) Y shaped like antibodies.
Antigen presenting cells - Answer APC's stand for _____ _____ _____, and these cells
introduce the T cell to the antigen.
dendritic - Answer For helper T cells, the APC's are macrophages, macrophage-like cells and
_____ cells.
MHC - Answer The antigen is bound to a special class of _____ proteins.
MHC - Answer _____ proteins function in cell matching. Everyone besides twins has different
kinds of this protein.
II - Answer Class _____ MHC proteins are found on macrophages, macrophage-like cells
dendritic cells, and B cells.
II - Answer The helper T cells bind to Class _____ MHC protein with antigen.
I - Answer Class _____ MHC proteins is a protein found in all cells with a nucleus.
I - Answer Cytotoxic T cells- antigen is presented by a class _____ MHC protein.
Questions Fully Solved 2026 Updated.
Thymus Gland - Answer T lymphocytes mature (are processed) in the _____ _____.
plasma cells - Answer Which cells secrete antibodies?
complement proteins - Answer Due to the activation of _____ _____, opsonization and
phagocytosis enhancement and formation of membrane attack complex and death of the
invading microbe can occur.
antigens - Answer T cell receptors bind to _____ that are bound to cell membrane proteins.
cytokines - Answer Helper T cells secrete _____ which are protein messengers that are
needed for B cells and cytotoxic T cells to function.
bone marrow - Answer B cells mature in the ____ _____.
B - Answer _____ cells become plasma cells which secrete antibodies.
Immunoglobins - Answer Antibodies are also called _____.
B cell receptor, antibody - Answer An immunoglobin on the membrane is a(n) _____ while
and immunoglobin in the blood is a(n) _____.
prongs - Answer Antibodies (specific for antigens) have antigen binding fragments, they are
located on the _____ of the 'Y'.
IgA - Answer Antibody _____ is found in human milk and saliva.
IgG - Answer Antibody _____ is the most abundant antibody.
IgE - Answer Antibody _____ is involved in allergies as we have seen.
clone - Answer A group of identical cells is called a _____.
, mark - Answer The antibodies _____ the invader or toxin.
opsonin - Answer A(n) _____ holds a microbe in place for a phagocyte to eat.
antibodies - Answer _____ act as opsonins, activate complement molecules, bind toxins and
viruses in the ECF, and bind to antigens and NK (natural killer) cells.
opsonin - Answer An activated complement molecule (C3b) acts as an _____, and promotes
phagocytosis.
memory - Answer The B cells that do not become plasma cells become _____ cells.
larger - Answer If the same antigen appears, the memory cells can quickly respond. The
antibody response is _____ than the first one.
are not - Answer Receptors on T cells _____ (are/are not) Y shaped like antibodies.
Antigen presenting cells - Answer APC's stand for _____ _____ _____, and these cells
introduce the T cell to the antigen.
dendritic - Answer For helper T cells, the APC's are macrophages, macrophage-like cells and
_____ cells.
MHC - Answer The antigen is bound to a special class of _____ proteins.
MHC - Answer _____ proteins function in cell matching. Everyone besides twins has different
kinds of this protein.
II - Answer Class _____ MHC proteins are found on macrophages, macrophage-like cells
dendritic cells, and B cells.
II - Answer The helper T cells bind to Class _____ MHC protein with antigen.
I - Answer Class _____ MHC proteins is a protein found in all cells with a nucleus.
I - Answer Cytotoxic T cells- antigen is presented by a class _____ MHC protein.
