Shared Flashcard Set

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Anatomical site selection, patient prep, risk factors, compl
Homework 7
50
Health Care
Undergraduate 1
02/25/2011

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Cards

Term
Which of the following tests may require special "chain of custody" documentation when collected?
Definition
Drug screen
Term
When performing hte Allen test, which artery is released first?
Definition
Ulnar
Term
Postprandial refers to
Definition
after eating
Term
Common hematology tests performed by POCT instruments include:
Definition
Hgb and Hct
Term
the most important part of blood culture collection is
Definition
preparing the collection site
Term
The purpose of lidocaine in ABG collection is to
Definition
numb the site
Term
Which of the following affect glucose levels?
Definition

Chewing sugarless gum

drinking tea w/o sugar

smoking low tar cigs

ALL OF THE ABOVE

Term
The phlebotomist arrives to collect a 2 hour postprandial glucose test and discovers that 2 hours have not elapsed since the patient's meal. What should the phlebotomist do?
Definition
Ask the patient's nurse to verify the correct time to draw the specimen.
Term
Which type of tube is needed to collect blood for T & C
Definition
Plain red or pink
Term
A 2 hour PP is often used as a screen test for what condition?
Definition
Carbohydrate metabolism problems
Term
The minimum pre-coagulation time for specimens drawn in serum separator tubes is
Definition
30 minutes
Term
If more than 30 minutes will elapse until specimen is tested, to maintain the integrity of the arterial blood sample, the sample should be
Definition
Cooled in crushed ice immediately after drawing
Term
Which of the following is the best specimen for routine studies ?
Definition
Regular voided
Term
Which of the following tests is handles and analyzed STAT?
Definition
CSF
Term
The purpose of the Allen test is to:
Definition
Check for collateral circulation
Term
Clean catch urine collection requires
Definition

A sterile container

cleansing the genital area

midstream collection

all of the above

Term
The bleeding time test is used to
Definition
check for vascular abmnormalities
Term
Which artery is a site sometimes used on patients with low cardiac output?
Definition
Femoral
Term
For the urinary pregnancy test, the preferred urine specimen is a
Definition
First morning urine specimen
Term
Which of the following is the proper procedure if the patient does not have collateral circulation?
Definition
Check the circulation in the other arm
Term
According to the College of American Pathologists, phlebotomists are involved primparily in which phase in the laboratory testing?
Definition
Pre analytical
Term
Which statement is not true of urine creatine clearance specimen collection?
Definition
Requires a double voided specimen
Term
A "peak" TDM level has been ordered for 0900. You draw the specimen 10 minutes late because of unavoidable circumstances. What additional action does this necessitate?
Definition

Establish last dosage time

Nofify the patients nurse

Record time change when verify collection

ALL OF THE ABOVE

Term
What is sputum?
Definition
Phlem
Term
To obtain the blood trough level for a medication, the patient's blood should be collected
Definition
immediately before administration of the medication
Term
When preparing for a glucose tolerance test, the patient should not eat, smoke, drink coffee, or alcohol ___ hours before or during the test.
Definition
12-16
Term
Which of the following evacuated tubes is preferred for the collection of arterial blood gas analysis?
Definition
No evacuated tube
Term
A patient who has collateral circulation
Definition
has more than one artery supplying blood to the area
Term
Monitoring blood coagulation through point of care testing is performed for all the following EXCEPT
Definition
Lithium therapy
Term
What type of urine specimen is needed to detect an infection?
Definition
clean catch
Term
What consideration would be made in performing phlebotomy on a patient with severe arm burns?
Definition
Look for a venipuncture site in undamaged, unscarred skin
Term
The common needle size for radial ABG is
Definition
22 gauge
Term
Which of the following is used to help in the diagnosis of diabetes mellitus?
Definition
GTT
Term
When the blood is collected from the radial artery for an ABG collection, the needle should be inserted at an angle of
Definition
45 degrees
Term
Which of the following blood assays can assist in the diagnosis and evaluation of anemia?
Definition
Glucose and insulin
Term
An ABG sample must be delivered to the lab for analysis within the following time limit:
Definition
30 min
Term
Why should one use an airtight container with icy water to transport an arterial specimen for blood gas analysis?
Definition
It decreases the loss of gasses from the specimen
Term
What is the recommended procedure for collecting a 24-hour urine sample?
Definition
Void the morning specimen, start the timing, collect all following specimens, including the next morning's specimen
Term
If samples collected for routine urinalysis and serum electrolytes are accidentally lost in a storage closet for two weeks, can they be used for laboratory testing?
Definition
No
Term
this fluid is obtained by lumbar puncture
Definition
Spinal
Term
The purpose of the GTT is to test the patient's
Definition
insulin releasing mechanism
Term
Which of the following tests may require special "chain of custody" documentation when collected?
Definition
Drug screen
Term
TDM peak concentration may be defined as the
Definition
highest concentration of the drug during a dosing interval
Term
When performing a glucose tolerance test, the fasting specimen is drawn at 8:15 am and the patient finishes the glucose beverage at 8:20AM. When should the 1-hr specimen be collected?
Definition
9:20
Term
which of the following is considered the best practice for the collection of blood cultures to optimize the chance of isolating microorganisms?
Definition
Draw two sets per day, 30 minutes apart from different sites.
Term
Which of the following statements is FALSE regarding arterial blood?
Definition
Arterial blood and venous blood have the same amounts of oxygen and carbon dioxide
Term
Which of the following is a true statement ?
Definition
It is outside the scope of practice of a medical assistant or phlebotomist to draw blood from a fistula.
Term
Which of the following is important when filling filter paper circles with blood for newborn screening tests?
Definition
Add as many drops of blood as necessary to fill the circle
Term
Which of the following laboratory tests is seriously affected by the presence of hemolysis?
Definition
Potassium
Term
If a test requires serum rather than plasma, a tube with what color top should be drawn?
Definition
Red
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