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Laboratory Assistant Skills Vocab
Terms in this set (56)
a petri dish containing a nutrient medium solidified with agar
indirect Coomb's test; detects atypical antibodies in serum
A drug or chemical used to prevent blood from clotting
Absence of urine
evaluation of the appearance and number of blood cells and the different types of white blood cells
Specimen obtained when a doctor wants to identify the causative agent of a disease
Series of tests that include hemoglobin; hematocrit; RBC, WBC, and platelet counts; differential WBC count; RBC indices; and RBC and WBC morphology
A specimen place immediately onto a slide
erythrocyte sedimentation rate
the rate at which red blood cells settle out in a tube of blood under standardized conditions
fasting blood sugar
blood test to determine amount of glucose in the blood after 12 hours of fasting
A simple sugar that is an important source of energy.
glucose in the urine
special staining technique will stain bacteria either purple or pink
instrument used for red blood cell count
percentage of blood volume occupied by red blood cells
Blood in the urine
An iron-containing protein in red blood cells that reversibly binds oxygen.
Destruction of blood (breakdown of red blood cells with release of hemoglobin).
Condition of increased blood sugar.
checks the number of white blood cells
An instrument that makes small objects look larger
Decreased urine output
sticks with specific chemical to react with elements in urine to provide a result
an instrument measuring light refraction as it passes through a liquid-specific gravity
Having the ability to fight against.
Case in which a bacterium can be killed by a certain antimicrobial
The blood lancet is used for the collection of blood specimens by
A measure of the density of urine compared with the density of water
typing and crossmatch
Blood test performed to check for any possible incompatibilities between blood donors and receivers
Chemical analysis of urine.
solid material contained in the urine
Instrument for measuring the specific gravity of urine
Entering the skin with a needle, generally to draw a blood sample.
T/F: A slide with a culture specimen is fixed so the organisms will not wash off when staining solutions are applied.
T/F: If organisms are resistant to an antibiotic, the antibiotic will be effective in curing the disease.
T/F: If a finger is cyanotic, it has a good blood supply.
T/F: An incubator provides darkness, coldness, and moisture to help a culture grow on an agar plate.
A skin puncture should be ____ millimeters deep and at right angles to the fingerprint striations.
6 to 8
The first drop of blood obtained with a finger puncture is always _____ and not used for a blood test.
A microhematocrit _____ separates the blood into three layers: RBCs, WBCs, and thrombocytes.
Microhematocrit capillary tubes are lined with ___ to keep the blood from clotting.
Blood is ____ when it is clear or transparent.
A ___ ___ is used to examine the form, structure, and relative number of erythrocytes, leukocytes, and platelets in blood.
Abnormally shaped blood cells can indicate ___.
Because certain types of white blood cells increase after specific infections, a ___ ___ aids in making diagnoses.
A person's blood type is determined by the presence of ___ on the red blood cells.
An Rh incompatibility occurs when a pregnant woman is Rh ___ and the developing fetus is Rh ___.
T/F: Hemolytic disease of the newborn can be prevented if the infant is given RhoGAM injections immediately after birth.
False, during pregnancy to mother, after birth to infant
___ allows glucose to cross cell membranes so the glucose can be metabolized.
T/F: Children can be taught to monitor their own blood glucose levels.
For the most accurate results, a urine specimen should be examined within __ hour after it is collected.
An excessive fluid intake or diuretic drugs can cause a ____ specific gravity in urine.
Patients with severe bleeding with a a ___ hematocrit.
____ or ___ are frequently present in the urine of a person with diabetes mellitus.
A low white blood cell count indicates ___.
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