unit 4 Flashcards
specimen requires chilling during transfer to the lab
ammonia
what POCT can be used to monitor heparin therapy
ACT or APTT
If there is a question concerning the principle behind a particular specimen collection, consult the
procedure manual
The most common procedure for collecting urine is known as
midstream clean catch
Complete clotting of tubes may take minutes at room temperature
30-40
A semen analysis must be
delivered to the lab within 30 mins of collection
administrative law
is created by administrative agencies such as the IRS and OSHA
What is the most common Point of Care chemistry test?
glucose
Before performing the dipstick test for a routine urinalysis, what two pretesting conditions must be met
specimen must be at room temperature and well mixed
The following specimens are always treated as STAT specimens, EXCEPt
urine
CSF,SYNOVIAL AND PERTIONEAL are
Saliva specimens can be used to measure hormones such as estrogen, testosterone, and cortisol
true
Case law
determined by court decisions, usually as an interpretation of existing statutory law
Private law
the offense (torts) leads to civil action
Statutory law
created by a legislative body at the federal level (Congress)
Public law
the offense (either felony or misdemeanor) leads to a criminal action
can be centrifuged immediately after collection
sodium citrate tubes
Unintentional torts
are the basis for most medical malpractice suits
instructing the patient about how to collect a sputum specimen
You should provide the specimen in the morning before eating and drinking.
may be detected using a reagent strip on a urine specimen
glucose,blood,ph,leukocyte esterase
A phlebotomist is collecting a peripheral blood smear from a patient. They should identify that this collection technique is used for
WBC differential test
type of hematology Point of Care test
hemoglobin (Hgb)
Therapeutic phlebotomies are commonly performed on patients with
polycythemia and hemochromatosis
Within what time period should a patient drink the glucose solution required for an OGTT
5 minutes
bilirubin needs protection from light
true
Breath specimens are used to diagnose
Helicobactor pylori
A 72-hour stool specimen is collected to determine
fat quantities
Quality phlebotomy
refers to a set of policies and procedures designed to ensure the delivery of consistent, high quality patient care and specimen analysis
cerebrospinal fluid
used to most commonly diagnose meningitis or other central nervous system infections.
Cold agglutinins and cryofibrinogen samples should be
warmed before collection and transported warm
The detection of_____is tested in urine for a diagnosis of pregnancy
HCG
the phlebotomist is most responsible for controlling
preanalytic variables
peak
highest serum level and occurs sometime after the dose is given
diurnal variation
normal daily fluctuations in body chemistry related to hormonal cycles, sleep-wake cycles and other patterns of change
therapeutic drug monitoring
testing that measures the amount of certain drugs in your blood at timed intervals
Therapeutic phlebotomy
removal of blood from a patient’s system as part of treatment for a diagnosis such as polycythemia
Correct match:
Trough
the lowest serum level and occurs immediately before administration of the next dose of medication
Who sets the standards of care for blood collection?
The Joint Commission
When should a phlebotomist instruct a patient to collect a sputum sample
first thing in the morning, before drinking or eating
Failure to act or perform duties according to the standard of care for phlebotomy: example is the phlebotomist misidentifies a patient which leads to confusion of the patient’s test samples and possible wrong diagnosis and death. This is considered
negligence
The 4 elements of negligence are
duty, dereliction, injury, direct cause
To test for group A Streptococcus bacteria a nasopharyngeal swab is used
false
The advantages of POCT are considerable and include
faster diagnosis and treatment
bringing the lab to the patient
turnaround time is shortened
continuous quality improvement
major goal of total quality management
What test can be used to screen for colon cancer
occult blood
Timed specimens are most frequently collected to monitor which of the following?
medication levels
The phlebotomist does not have complete control over
patient preparation