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41 Cards in this Set
- Front
- Back
3 key elements of lab (3)
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1- workplace
2- staff and 3- tasks |
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A _____ lab is the area where rapid high volume testing
can be performed most effectively by merging hematology and chemistry functions together. |
core
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_________ is consolidation of lab functions on a much
larger scale than core labs. In this model, 2 or more hospitals merge resources and create a central core lab as well as separate services for esoteric tests. |
Regionalization
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Automated systems with a computerized specimen
delivery track and processing system has been shown to improve productivity by 66%, allow for greater volume capacity, decrease TAT by HOW MUCH?, and reduce the number of FTEs |
2/3
|
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_______(AGVs) and conveyor
ms have been used to transportwork stations which reduces cost. |
Automated guided vehicles
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(AGVs):
It costs about $_____/min to operate a Robocart compared to courier at about $0.28/min. |
0.03
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Those reports that provide actual diagnosis are retained for at least ___ y.
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20
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Cytogenetic reports are kept for __ years.
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25
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The CAP recommends that blood smears be retained
or only seven days, yet it is the practice of some laboratories to retain all blood smears for __ y(s). |
1
|
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Bone marrow, cytology slides, and other pathology
slides must be retained for ___ years. |
20
|
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Paraffin tissue blocks are to be kept at least _____ (time)
|
5 y;20 y
|
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Sera and plasma for chemistry and immunology
eterminations should be retained with proper storage for _____ and whole blood for hematology for ______ |
1 week
1 day. |
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Diurnal variation may be encountered when testing for
ol, serum iron, or _____ counts. |
neutrophil
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Exercise: transient effects on labs
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may an initial decrease followed by an increase in free fattyacids by as much as 180% in alanine and 300% in lactate.
elevated creatine phosphokinase (CK), aspartate ransferase (AST), and lactate dehydrogenase (LD), and activate coagulation, fibrinolysis, and platelets. |
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Exercise: Long-term effects on labs
|
increase CK, aldolase, AST, and LD values.
Plasma testosterone, androstenedione, and luteinizing hormone. |
|
48 hours of fasting:
serum bilirubin concentrations may increase or decrease?. |
increase
|
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72 h of fasting decreased plasma glucose levels in healthy
women to 45 mg/dL (2.5 mmol/L), while a study in men showed an increase in plasma triglycerides, glycerol, and free fatty acids, with no significant change in plasma ________. |
cholesterol
|
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When determining blood constituents such as glucose,
triglycerides, cholesterol, and electrolytes, collection should be in the _____ state. |
basal
|
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Eating a meal,
depending on fat content, may elevate plasma potassium,triglycerides, and _________ (AP). |
alkaline phosphatase
|
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Blood type O or B positive, Lewis-positive secretors may yield
especially high levels of ___ after eating a meal. |
AP
|
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A high-meat or other protein-rich diet may increase
serum urea, ammonia, and ____ levels. |
urate
|
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Food with high unsaturated to saturated fatty acids ratio
show decreased serum cholesterol, while a diet rich in purines will show an increased _____ value. |
urate
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Foods such as _________are rich in serotonin.
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bananas, pineapples, tomatoes, and avocadoes
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comment on
Urine excretion when eating bananas, pineapples, tomatoes, and avocadoes |
elevated urine excretion of 5-hydroxyindoleacetic acid may be observed.
|
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Beverages rich in _______ will elevate plasma free fatty
nd cause release of catecholamines from the adrenal medulla and from brain tissue. |
caffeine
|
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_____ will increase plasma lactate, urate, and
triglyceride concentrations. |
Ethanol
|
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Elevated high-density lipoprotein (HDL) cholesterol, _________ (GGT), urate, and mean corpuscular
volume (MCV) have been associated with chronic alcohol abuse. |
y-glutamyl transferase
|
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______(who) have high blood carboxyhemoglobin levels,
plasma catecholamines, and serum cortisol. |
Tobacco smokers
|
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Smokers have decreased numbers
______, while neutrophils, monocytes, and plasma fatty free acids increase. |
eosinophils
|
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Chronic effects of smoking lead to increased hemoglobinconcentration, RBCs, MCV, and increased ___ count.
|
WBC
|
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serum albumin has been used as a predictor of
surgical outcomes. Decreased serum albumin = incr or decr mortality/morbidity |
increased
|
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Drug interferences are of two types:
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physiologic in vivo
in vitro |
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Albumin and calcium levels ________ as one changes
position from supine to upright. |
increase
|
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Elements that are affected by postural changes are
|
albumin,
total protein, enzymes, calcium, bilirubin, cholesterol triglycerides, and drugs bound to proteins. Hb, hct, and WBC levels may also rise. |
|
Using a tourniquet to collect blood to determine lactate
concentration may result in falsely _______ values. |
increased
|
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Prolonged tourniquet application may also increase
enzymes, proteins and protein-bound substances including cholesterol, calcium and ______. |
triglycerides
|
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Stress, anxiety, and hyperventilation may affect
hormone secretions and acid-base balance, and elevate leukocyte counts, serum lactate, or ____ |
free fatty acids.
|
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Ideally, the patient should go to bed at the usual time and
rise no later than __ hour before anticipated specimen collection. |
one
|
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Lavender tube additive
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EDTA
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Green green tube additive
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Heparin
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Blue tube additive
|
buffered citrate
|