MDA 170 Vocab Flashcards
artifact
irrelevant mark
centrifuge
device that spins and separates specimen
objectives
magnifying lenses in microscope
oil-immersion objective
microscope objective lowered into a drop of immersion oil
physician’s office laboratory (POL)
a laboratory in a physicians office
qualitative test response
a test result that indicates either present or absent
reference laboratory
a laboratory outside the physicians practice
anuria
absence of urine
clean-catch midream urine specimen
specimen requires special cleansing to identify the number and types of pathogens
fecal occult blood test (FOBT)
a test to find hidden blood in the stool
first morning urine-specimen
a urine specimen after night sleep contains greater concentration of substance
glycosuria
glucose in the urine
hematuria
blood in the urine
oliguria
insufficient production of urine
proteinuria
excess of protein in the urine
refractometer
optical instrument that measures refraction
supernatant
liquid portion of a substance
24 hour urine specimen
urine specimen collected over a 24 hour period
urinalysis
evaluation of urine to obtain information of health and disease
cardiac cycle
the sequence that makes up a complete heart beat
urine culture
urine bacteria are allowed to grow for 24 to 48 hours; bacteria are then identified
urine specific gravity
concentration of urine
depolarization
contraction of the heart
urobilinogen
colorless compound formed by the breakdown of hemoglobin; may indicate liver disease
dysrhythmia
irregularity in heart rhythm
echocardiography
procedure that test the structure and function of the heart though waves
electrocardiography
the process to reflect the electrical impulses by the heart
electrode
sensor that detects electrical activities
holter monitor
a device to record the heart’s electrical activity overtime
lead
a view of the heart on an EKG
polarity
two separate poles; positive and negative
pulmonary function test
evaluates lung volume and capacity to detect and diagnose pulmonary problem or to monitor
repolarization
resting state
rhythm strip
EKG tracing
spirometry
test used to measure breathing capacity
stress test
EKG while the patient is exercising
quantitative test response
the concentration of a test substance in a specimen
catheterization
catheter is inserted into body cavity
electrocardiography
the tracing made by an electrocardiogram