Final Flashcards
what percent of blood volume in plasma?
50-55%
what function is carried out by blood?
regulating body temp
what percentage of your body weight is blood?
2%
what does the coverglass on hemacytometers do?
regulates the depth of fluid
what is true of RBC and WBC counts?
they are usually performed manually
what is the reference range for a WBC count?
for an adult it is 4-11x10^9/L
what is true of blood collected for blood smears?
anticoagulant must always be used in blood for blood smears
how many platelets in a field is normal?
7-20
do viral infections usually cause increased lymphocytes and an increased total WBC count?
nope
are lymphocytes produced in the bone marrow and other lymphoid tissue?
yup
name of an immature blood cell normally found in only the bone marrow
blast cell
how does iron deficiency anemia affect the RBC?
they’re hypochromic
what type of stain is eosin?
acidic
what is the ingestion of a foreign particle or cell by another cell called?
phagocytosis
form of hemoglobin that binds and transports oxygen
oxyhemoglobin
what’s initiated by damage to a blood vessel?
fibrinolysis, vasoconstriction and coagulation
are coagulation factors produced in the liver and circulate in activated form?
nope
do PT tests measure intrinsic pathways?
nope
does factor VIII deficiency effect the prothrombin time?
nope
whats responsible for humoral immunity?
antibodies
what’s the process of blood cell formation called?
hemopoiesis
what kind of stem cell makes blood cells?
hemopoietic stem cell
which antibody is predominant in secretions?
IgA
which antibody is first produced after an exposure to an antigen?
IgM
does the inflammatory response produce antibodies?
hell nah
what is the largest immunoglobulin?
IgM
who performed the first successful blood transfusion of human blood?
James Blundell
whats not easily obtained from a unit of donated blood?
leukocyte concentrate
does AB blood have anti-A or anti-B in the serum?
nope
are ABO antibodies part of the IgG group?
no
Is Landstrainer a method to name the Rh antigens?
no
What do you give a mother to prevent HDN?
anti-D
what should be done during a Rh tube typing test?
agglutination should be graded
Can the RhD antigen be detected by slide, tube and gel methods?
yup
how many nephrons are on each kidney?
1,000,000
what is each nephron composed of?
a glomerulus and a Bowman’s capsule
what is a major function of the kidney?
regulation of acid-base balance
when urine is to be cultured for bacteria, the specimen must be…
clean-catch
if a urine specimen is to be cultured for bacteria when should the culture be set up?
before the routine urinalysis is done
what is the reference range for urines specific gravity?
1.005-1.030
what do the RBC indices show?
the size and shape of cells
Rule of 3
hematocrit should be 3x the value of hemoglobin
3 main WBC features
cytoplasm, nucleus and size
what WBC do kids have more of than adults?
lymphocytes
normal neutrophil percentage?
50-65%
normal lymphocyte percentage?
25-40%
poikilocytosis
abnormal shape of rbc
anisocytosis
different rbc sizes
what makes up peripheral blood?
rbc, WBC, platelets, plasa
thalassemia
too much iron in the blood
how can you use hemoglobin to get RBC?
divide it by 3
what mineral is involved in the hemostasis pathway?
calcium
where are the vitamin-k-factors manufactured?
liver
normal reference value for prothrombin time is…
11-13 sec
Three ways that prothrombin time can be reported
PT ratio, seconds and INR
is Coumadin an anticoagulant?
yup
what is Coumadin derived from
warfarin
antibody in highest concentration is…
IgG
immunoglobulin associated with allergic responses is..
IgE
healthy immune system is called…
immunocompetent
ELISA aka…
EIA
study of human blood groups
immunohemetology
is the A antigen or the B antigen dominant?
neither
what are two non dominant things called?
codominant
which RhD method for typing uses a heated light box?
slide or manual
condition where the fetus is affected by maternal antibodies are directed against the infants RBCs
HDN
HDN
hemolytic disease of newborn
functional unit of the kidneys
nephron
two major treatments for kidney failure
transplant or dialysis
type of dialysis with more freedom
peritoneal dialysis
how long can you refrigerate urine for??
4 hours at 4C
when is tissue thromboplastin produced
after an traumatic venipuncture
what are moving wire probes called?
FibroSystem
INR=?
ISI
Xa is an…
enzyme
what does POCT stand for?
point of care testing
who named the prothrombin time test?
Quick
what tests the extrinsic pathway?
protime
what does LE mean?
autoimune disease
blood from the patient goes through a dialyzer
hemodialysis
patients abdomen is filled with dialysate
peritoneal dialysis
structural and functional unit of the kidney
nephron
receives the glomerular filtrate
Bowmans capsule
output of an abnormally large volume of urine
diuresis
what is a white precipitate in the urine called?
positive protein sulfsalicyclic acid
what does a pH above 7.0 called?
alkaline urine
positive nitrate test
escherichia coli
does the AB blood type have any antibodies present?
nope
does an positive blood type have Rh antigens present?
yup
