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Exam 4 - Blood
Dr. Le Blanc
111
Physiology
Professional
11/16/2011

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Term
Blood is 92% _____.
Definition
water
Term
Blood is 7% _____.
Definition
protein
Term
The most abundant plasma protien is _____.
Definition
albumin
Term
_____ are produced by B-lymphocytes and plasma cells.
Definition
immunoglobulins
Term
Albumin functions in _____.
Definition
colloidal osmotic pressure
Term
The acute-phase proteins are _____.
Definition
alpha & beta globulins
Term
_____ is a beta globulin that is a pro-inflammatory protein & a coagulation factor.
Definition
fibrinogen
Term
The difference between plasma & serum is _____.
Definition
whether or not they contain coagulation factors
Term
(plasma or serum) DOES contain coagulation factors.
Definition
plasma
Term
The major protein absent from serum is _____.
Definition
fibrinogen
Term
_____ is the principal force opposing the exit of fluids from the vascular system.
Definition
colloidal osmotic pressure
Term
_____ is the protein most responsible for colloidal osmotic pressure.
Definition
albumin
Term
A decrease in albumin in the blood vessel will cause water to move _____.
Definition
out of the cell
Term
Changes in _____ cause shifts between ECF & ICF.
Definition
extracellular (serum) osmolality
Term
Hypoosmolality results from a _____ in extracellular sodium.
Definition
decrease
Term
Hypoosmolality will cause water to move _____.
Definition
into the cell
Term
The smallest of blood cells are _____.
Definition
platelets
Term
The primary role of platelets is _____.
Definition
primary hemostasis
Term
Platelets circulate in the blood for _____.
Definition
7-10 days
Term
RBCs circulate in the blood _____.
Definition
70-150 days
Term
Blood volume _____ proportionately with lean body mass.
Definition
increases
Term
Hematocrit is calculated by cell _____.
Definition
size & number
Term
There are _____ nonlymphoid cell types.
Definition
7
Term
There are _____ major lymphoid cell types.
Definition
3
Term
Erythropoietin is produced by the fetal liver & adult _____.
Definition
kidney
Term
Renal cells produce Epo in response to _____.
Definition
hypoxia
Term
The role of erythropoietin is _____.
Definition
stimulate replication & differentiation of BFU-E to CFU-E
Term
Anemia from chronic renal failure is caused by _____.
Definition
decreased Epo production, thus decreased RBC production
Term
CFU-E differentiates into a _____.
Definition
rubriblast
Term
After rubriblast formation, two things happen:
Definition
(1) mitosis
(2) mRNA production
Term
Rubriblasts become _____.
Definition
metarubricytes
Term
The nucleus is extruded from the metarubricyte, resulting in an anucleated _____.
Definition
reticulocyte
Term
The loss of nucleus & mRNA results in the loss of _____.
Definition
the ability to produce hemoglobin & enzymes
Term
RBC lifespan of dogs
Definition
100 days
Term
RBC lifespan of cats
Definition
70-80
Term
RBC lifespan of cattle & horses
Definition
150
Term
10% of RBCs undergo lysis as they travel through capillary vessels, called _____.
Definition
intravascular hemolysis
Term
Hemoglobin freed during intravascular hemolysis binds to _____ and is engulfed by mononuclear phagocytic system.
Definition
plasma haptoglobin
Term
90% of RBCs are directly phagocytized by the mononuclear phagocytic system, called _____.
Definition
extravascular hemolysis
Term
Globin from RBC hemolysis is _____.
Definition
broken down into A.A. for future protein synthesis
Term
Iron from RBC hemolysis is _____.
Definition
stored as ferritin or hemosiderin OR transferred to bone marrow for hemoglobin synthesis
Term
Heme from RBC hemolysis is _____.
Definition
transformed to biliverdin then bilirubin and excreted
Term
Hemoglobin can bind a maximum of _____ oxygen molecules.
Definition
4
Term
Blood is bright red when _____.
Definition
hemoglobin is saturated, as in arterial blood
Term
Blood is dark bluish-red when _____
Definition
little or no oxygen is bound, as in venous blood
Term
There are _____ types of hemoglobin.
Definition
3
Term
Fetal hemoglobin is better than adult hemoglobin at _____.
Definition
binding oxygen
Term
Those species (dogs, pigs, horses) that do not have fetal hemoglobin contain _____.
Definition
2,3-DPG
Term
2,3-DPG functions to _____.
Definition
reduce oxygen affinity for hemoglobin
Term
The oxygen-hemoglobin dissociation curve shows a right shift after _____.
Definition
increased Temp, [H], CO2, and 2,3-DPG
Term
Incomplete hemoglobin synthesis causes additional mitosis and thus _____.
Definition
smaller RBCs
Term
Iron deficiency causes decreased hemoglobin, which leads to _____.
Definition
microcytosis
Term
Two antioxidant pathways:
Definition
(1) pentose shunt
(2) methemoglobin reductase pathway
Term
There are _____ major neutrophil pools.
Definition
4:
(1) CFU-G
(2) proliferating/mitotic pool
(3) maturation/postmitotic pool
(4) storage pool
Term
neutrophil blood circulation time
Definition
10 hours
Term
lymphocyte blood circulation time
Definition
recirculate
Term
monocyte blood circulating time
Definition
18-24 hours
Term
eosinophil blood circulating time
Definition
30-60 min
Term
mechanisms for increased neutrophil production:
Definition
(1) increased stem cell recruitment
(2) increased effective granulopoiesis
(3) shortened maturation time
Term
_____ (chemical) play a role in neutrophil rolling.
Definition
selectins
Term
_____ (chemical) play a role in neutrophil activation.
Definition
chemokines/cytokines
Term
_____ (chemical) play a role in neutrophil firm adhesion.
Definition
integrins
Term
_____ (chemical) plays a role in neutrophil transmigration/diapedesis.
Definition
ICAM/PECAM
Term
Neutrophils function in _____.
Definition
phagocytosis & killing of bacteria
Term
Neutrophils function in _____.
Definition
production & release of inflammatory mediators
Term
Neutrophils function in _____.
Definition
tissue damage in sterile inflammation
Term
Neutrophil granule contents:
Definition
myeloperoxidase
lysozyme
collagenase
gelatinase
lactoferrin
Term
Eosinophil production is stimulated mainly by _____; also, by _____.
Definition
IL-5
IL-3 & GM-CSF
Term
Eosinophils function in _____.
Definition
the elimination of parasites
promotion of inflammation
suppression of hypersensitivity/allergies
Term
The granules of eosinophils are _____.
Definition
(1) major basic protein
(2) eosinophil cationic protein
(3) arylsulfatase B
(4) histaminase
Term
_____ are rare circulating granulocytes.
Definition
basophils
Term
_____ are sparse in mammals.
Definition
basophils
Term
Basophil production is stimulated by _____, also by _____.
Definition
IL-3
IL-5 & GM-CSF
Term
_____ migrate into tissues and THEN differentiate.
Definition
mast cells
Term
Basophils & mast cells function in _____.
Definition
elimination of parasites
allergic & hypersensitivity reactions
Term
Basophils & mast cells produce _____.
Definition
heparin, histamine, bradykinin, seratonin, lysosomal enzymes, inflammatory cytokines
Term
Granules are released from basophils & mast cells after binding of _____.
Definition
IgE
Term
Immediate granular response consists of _____.
Definition
release of histamine from damaged cells = vasodilation & increased vascular permeability
Term
Late phase response of mast cell degranulation consists of _____.
Definition
the release of cytokine & chemokine
Term
Pre-B lymphocyte processing occurs in _____.
Definition
the bone marrow of mammals & bursa of birds
Term
Differentiation of pre-B cells to mature lymphocytes occurs _____.
Definition
in secondary lymphoid tissue
Term
Lymphocytes live _____.
Definition
2 weeks to many years
Term
_____ have the unique ability to recirculate.
Definition
lymphocytes
Term
Recirculation of lymphocytes _____.
Definition
promotes antigen sensitization of naive lymphocytes and detection of transformed cells
Term
B lymphocytes function in _____.
Definition
antibody production
Term
T-lymphocytes & B-lymphocytes function in _____.
Definition
immunoregulation
Term
Cytotoxic T-lymphocytes & NK cells _____.
Definition
kill virus-infected & neoplastic cells by inducing apoptosis
Term
_____ distribute between marginated & circulating pools.
Definition
monocytes
Term
Blood transit time for monocytes is _____.
Definition
12-24 hours
Term
Tissue life span of monocytes ranges from _____.
Definition
weeks to years
Term
The function of monocytes & macrophages is to _____.
Definition
phagocytize & digest foreign particulate material and dead cells
Term
_____ are a major source of CSFs & cytokines.
Definition
monocytes & macrophages
Term
CSFs & cytokines _____.
Definition
stimulate hematopoiesis
promote inflammation
Term
Non-specific (innate) immunity includes _____.
Definition
mast cells, macrophages, neutrophils, eosinophils, and NK cells
Term
Specific (acquired) immunity includes _____.
Definition
T & B lymphocytes
Term
first step in primary hemostasis
Definition
adhesion of platelets
Term
second step in primary hemostasis
Definition
shape change of platelets
Term
third step in hemostasis
Definition
granule release from platelets
Term
fourth step of hemostasis
Definition
recruitment of other platelets
Term
fifth step in hemostasis
Definition
aggregation of platelets
Term
The granular contents of platelets are _____.
Definition
calcium, ADP, fibrinogen, vWF, seratonin, and coagulation factors 5 & 8
Term
The two main types of receptors on platelets are _____.
Definition
fibrinogen & vWF
Term
ADP induces conformational change on the _____ receptor.
Definition
fibrinogen
Term
The intrinsic pathway is activated by _____.
Definition
negatively-charged substances
Term
The extrinsic pathway is activated by _____.
Definition
the release of tissue factor from damaged tissue
Term
The coagulation factors involved in the intrinsic pathway are _____.
Definition
12, 11, 9, & 8
Term
The coagulation factors involved in the extrinsic pathway are _____.
Definition
7
Term
The common pathway includes the coagulation factors _____.
Definition
10, 5 & 2 (thrombin)
Term
Fibrinogen (factor 1) is converted to _____.
Definition
soluble fibrin
Term
Soluble fibrin is converted to _____ by factor 13.
Definition
an insoluble fibrin clot
Term
_____ is the major inhibitor of coagulation enzymes.
Definition
antithrombin
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