[RECALLS] 1st Evals - IMMUNOLOGY AND BLOOD (45 items) DR. DERECHO and Dr.Nobleza Flashcards
Which of the following produce large amounts of antibodies?
Plasma cell
Which glycoprotein is expressed on the surface of T-helper?
CD4
Which of the ff is not a major feature of the adaptive immune system?
a. contractility
b. irritability
a. contractility
Which of the ff is a transmembrane glycoprotein that serves as a coreceptor for cytotoxic t-cell?
CD8
Bitten by a dog and somebody gets the antibodies
Passive artificial
Parts of the innate immune system
AOTA
Protein secreted by virus
Interferon
Major innate mechanism that mediates destruction of foreign substances
MAC
Stimulate the proliferation of other lymphocytes.
Cytokines
Protects mucosal barrier
IgA
Involved in allergies
IgE
Mechanism of cytotoxic T-cell
Release perforins
What is opsonin?
For engulfing/phagocytosis
Soluble protein secreted by plasma cells
Antibodies
Atopy
Type 1 (house dust mites)
Which of the ff is a characteristic of anitbodies:
composed of heavy and light subunits
Which of the ff is associated with passive immunity:
Passive of IgG from mother to baby
B-lymphocyte develops immunocompetence in the:
Bone marrow
Which of the following is not true of the IgM?
Can cross the placenta.
*Only IgG can cross
Which of the following represents the main function of the IgD?
proliferation of B cell
What type of immunity develops during convalescence:
Natural active immunity
What type of immunity develops during convalescence
Natural active immunity
Which of the following is considered a primary lymphoid organ?
Thymus
True statement for classical pathway except:
Can occur in the absence of an antibody
Which of the following can be attributed to the antigen stimulated T-cell?
Cytokines
If cells of an indiv is not agglutinated with anti-A or anti-B
Type O
Exact binding site of an antigen is called:
Epitope
Phagocytosis coating of a foreign substance
Opsonization
Which statement is correct?
Only the humoral immunity primarily involves b-cells
Increases during 2nd response:
IgG
Which of the ff is a primary factor responsible for EPO secretion:
hypoxia
In the presence of active bleeding erythropoiesis may be activated and results in which of the following?
increased reticulocytes
Which of the ff is true of EPO?
necessary for differentiation of BFU to proerythroblast
Which of the ff factors determine erythrocyte sedimentation rate:
fibrinogen level
40 yo male complained of pain in the lower leg after a long flight; thrombus on popliteal vein; which is true?
has more fibrin
Vein: Fibrin
ARTERY: More platelets
Which of the ff factors affect erythropoiesis results in failure of erythrocyte maturation:
cyanocobalamin
When blood comes in contact w/ negative surface (Glass factor):
intrinsic pathway
Fahraeus-lindqvist phenomenon:
relationship between radius and viscosity
Common pathway in the coagulation cascade beings with:
Stuart factor
refers to total fraction of column occupied by RBC:
hematocrit
plasma can form a clot
true (naa pa siyay clotting factors)
in which stage of erythropoiesis is hemoglobin completely synthesized?
orthochromic
maturation of megakaryocytes and platelets depends on which of the ff
IL3 & TPO
which of the ff activates the extrinsic pathway
tissue factor
which of the ff is the most important component of RBC
hemoglobin
increased ESR is due to
increase in density
central protease of the coagulation cascade
thrombin
trimolecular complex in the extrinsic pathway is formed by which of the ff except
factor 5
plasmin can break down which of the following:
fibrinogen and fibrin
a male has hematocrit level of 47; interpret:
elevated
