Final Flashcards
A device for spinning a specimen at high speed until it separates into its component parts
centrifuge
A foreign object that is visible through a microscope but is unrelated to the specimen
artifact
T or F:
A lab outside the office owned by another company is a reference lab
True
instrument used to measure the air taken in by and expelled from the lungs
spirometer
Why do we calibrate machines?
for accuracy
What test require pt to sign a chain of custody form?
drug and alcohol screening
what is the term for blood in the urine
hematuria
How long should urine sit in room temp before testing?
60 min
Infectious mononucleosis is caused by which of the following
Epstein-Barr virus
Labs that run moderate-complexity tests must be run by an…
MD
T or F:
If a supposed fasting patient says they’ve only drank coffee you should let the provider know to see if you can continue
True
What kind of tests monitors chronic obstructive pulmonary disease (COPD)
Pulmonary Function tests
Routine tests that are most often performed at the physician’s office laboratory (POL) are?
chemistry and hematology
T or F:
Fully explaining the procedure and all expectations is a good way to calm a nervous patient
True
What do we use to get a specimen of an infected wound?
swab stick
chemically coated strip to measure urine quality
reagent
The low power objective magnifies a specimen by
10x
views that are recorded on an electrocardiogram that are produced by the electrical activity of the heart
leads
T or F:
A positive hCG test indicates an infection
False
What does QNS mean?
Quantity Not Sufficient
life-threatening dysrhythmia that results in no cardiac output
ventricular fibrillation
What does a pulse oximeter measure?
oxygen intake levels
Main advantage for using a physician’s office lab (POL)
Get results faster
Most common form of urine sample
random
T or F:
The main purpose of the immune system is to allow pathogens to enter the body
False
T or F:
The purpose of a control sample is to verify accuracy
True
What does oxygen administration do?
increases the amount of oxygen your lungs get
measures the concentration of substances dissolved in urine
specific gravity
method of collecting urine when performing a urine culture to identify the number and the types of pathogens present
clean catch mid-stream
What must accompany every specimen that leaves the office?
lab requisition
What term means failure of the kidneys to produce urine?
anuria
What term refers to an insufficient production of urine
oliguria
used to assess the electrical activity of a patient’s heart over a 24-hour period of normal activity
holter monitor
What was created in response to public concern over the accuracy of laboratory testing?
Clinical Laboratory Improvement Amendments of 1988
how many samples are needed for a fecal occult blood specimen
3
What kind of lab test uses samples of whole blood
hematologic
pen-like instrument that records impulse movement on the ECG paper
stylus
Which of the following is one of the first signs of liver disease?
protein in the urine
primary pacemaker of the heart
SA node
measures electrical impulses produced by the heart
electrocardiography
Which of the following would be included in the patient’s instructions regarding holter monitoring?
record all activities, emotions, symptoms, and medications taken
Which part of an optical microscope contains a magnifying lens?
objective
Which electrode is placed at the fourth intercostal space to the left of the sternum
V2
Which types of tests may be done in a physician’s office laboratory (POL) if a Certificate of Waiver has been granted?
erythrocyte sedimentation rate and urinalysis
