KUBY IMMUNOLOGY COVID 19 DIGITAL
UPDATE ACTUAL PAPER 2026 FULL SOLUTION
QUESTIONS AND ANSWERS VERIFIED
◉ Secondary Response. Answer: Subsequent encounters with the
same antigen or pathogen.
◉ Pathological Inflammation. Answer: An influx of immune cells and
molecules that results in detrimental symptoms, including chronic
inflammation and rampant tissue destruction.
◉ Immune Deficiency. Answer: Caused by a failure to properly
deploy the immune response, usually result in weakened or
dysregulated immune responses that can allow pathogens to get the
upper hand.
◉ Immune Imbalance. Answer: Result from changes in the
environment that disrupt immune homeostasis, typically present as
either allergic or autoimmune conditions.
◉ Hypersensitivity Reactions. Answer: Overly zealous attacks on
common benign but foreign antigens.
,◉ Anaphylaxis. Answer: An extreme, rapid, and often lethal
overreaction of the immune response to something it has
encountered before.
◉ Immunoglobulin E (IgE). Answer: An antibody that binds to its
specific antigen induces the release of substances that causes
irritation and inflammation, or the accumulation of cells and fluid at
the site.
◉ Autoimmune Disease. Answer: Erroneous targeting of self-
proteins or tissues by immune cells.
◉ Severe Combined Immunodeficiency (SCID). Answer: Immune
deficiency that affects both B and T cells and basically wipes out
adaptive immunity and bone marrow transplant is the most effective
treatment.
◉ Primary Lymphoid Organs. Answer: Bone marrow and thymus are
the sites where immune cells develop from immature precursors.
◉ Secondary Lymphoid Organs. Answer: Spleen, lymph nodes, and
specialized sites in the gut and other mucosal tissues are sites where
the mature antigen-specific lymphocytes first encounter antigen and
begin their differentiation into effector and memory cells.
, ◉ Hematopoiesis. Answer: The process by which HSCs differentiate
into mature blood cells that occurs primarily in the bone marrow.
◉ Stem Cells. Answer: Have the ability to regenerate or "self-renew"
and the ability to differentiate into diverse cell types.
◉ Progenitor Cells. Answer: Limited self-renewal capacity and
become progressively more committed to a particular blood cell
lineage.
◉ Multipotent Progenitors (MPPs). Answer: These cells have a much
more limited ability to self-renew, but proliferate rapidly and can
give rise to both lymphoid and myeloid cell lineages.
◉ Hemopoietic Stem Cell (HSC). Answer: Rare cell type that is self-
renewing and multipotent. Also has the capacity to differentiate and
replace blood cells rapidly.
◉ Myeloid Progenitor Cell. Answer: Gives rise to red blood cells,
platelets, and myeloid cells (granulocytes, monocytes, macrophages,
and some dendritic cell populations).
◉ Myeloid Cells. Answer: Members of the innnate immune system
and are the first cells to respond to infection or other insults.
UPDATE ACTUAL PAPER 2026 FULL SOLUTION
QUESTIONS AND ANSWERS VERIFIED
◉ Secondary Response. Answer: Subsequent encounters with the
same antigen or pathogen.
◉ Pathological Inflammation. Answer: An influx of immune cells and
molecules that results in detrimental symptoms, including chronic
inflammation and rampant tissue destruction.
◉ Immune Deficiency. Answer: Caused by a failure to properly
deploy the immune response, usually result in weakened or
dysregulated immune responses that can allow pathogens to get the
upper hand.
◉ Immune Imbalance. Answer: Result from changes in the
environment that disrupt immune homeostasis, typically present as
either allergic or autoimmune conditions.
◉ Hypersensitivity Reactions. Answer: Overly zealous attacks on
common benign but foreign antigens.
,◉ Anaphylaxis. Answer: An extreme, rapid, and often lethal
overreaction of the immune response to something it has
encountered before.
◉ Immunoglobulin E (IgE). Answer: An antibody that binds to its
specific antigen induces the release of substances that causes
irritation and inflammation, or the accumulation of cells and fluid at
the site.
◉ Autoimmune Disease. Answer: Erroneous targeting of self-
proteins or tissues by immune cells.
◉ Severe Combined Immunodeficiency (SCID). Answer: Immune
deficiency that affects both B and T cells and basically wipes out
adaptive immunity and bone marrow transplant is the most effective
treatment.
◉ Primary Lymphoid Organs. Answer: Bone marrow and thymus are
the sites where immune cells develop from immature precursors.
◉ Secondary Lymphoid Organs. Answer: Spleen, lymph nodes, and
specialized sites in the gut and other mucosal tissues are sites where
the mature antigen-specific lymphocytes first encounter antigen and
begin their differentiation into effector and memory cells.
, ◉ Hematopoiesis. Answer: The process by which HSCs differentiate
into mature blood cells that occurs primarily in the bone marrow.
◉ Stem Cells. Answer: Have the ability to regenerate or "self-renew"
and the ability to differentiate into diverse cell types.
◉ Progenitor Cells. Answer: Limited self-renewal capacity and
become progressively more committed to a particular blood cell
lineage.
◉ Multipotent Progenitors (MPPs). Answer: These cells have a much
more limited ability to self-renew, but proliferate rapidly and can
give rise to both lymphoid and myeloid cell lineages.
◉ Hemopoietic Stem Cell (HSC). Answer: Rare cell type that is self-
renewing and multipotent. Also has the capacity to differentiate and
replace blood cells rapidly.
◉ Myeloid Progenitor Cell. Answer: Gives rise to red blood cells,
platelets, and myeloid cells (granulocytes, monocytes, macrophages,
and some dendritic cell populations).
◉ Myeloid Cells. Answer: Members of the innnate immune system
and are the first cells to respond to infection or other insults.
