Study Guide Flashcards
A test is ordered fasting to
Eliminate the effects of diet on test results
Going without food or drink except for water for 8-12 hours is defined as
Fasting
A basic step that can be taken to minimize any trauma associated with venipuncture is to
Choose the most skilled Phlebotomist to perform the venipuncture
To examine by touch or feel is to
Palpate
In most cases, needle insertion should be performed
Using a smooth steady motion forward
The reason a teat is ordered times is to
Draw it at the best time for accurate results.
Bending the arm up after venipuncture
Enables the site to quickly stop bleeding
The unique # assigned to a request is the
Accession #
Information represented by the bar code (patient ID) includes the patient’s
Medical records # & name
If a test is ordered STAT it may mean that the patient is in
Critical condition
Which of the following tests is commonly ordered STAT
Lytes
A pre-op patient
Will soon be going to surgery
A patient who is NPO
Cannot have any food or drink
An example for a test commonly ordered timed is
Glucose
Which liquid is acceptable to drink when one is fasting
Water
A common post-op test is
H&H
DNR means
Do not resuscitate
A patient says it’s not okay to draw their blood, you should
Determine what the problem is before proceeding
Which one of the tests is used to identify protein disorders that leads to nerve damage?
SPEP
Your patient is asleep, you should
Call out the patient’s name softly and shake the bed gently
There is a sign above the patient’s bed that says no blood draw in right arm but has an IV in left forearm. Where should you draw for a CBC?
A finger stick in the left hand
Lab results can be negatively affected if the phlebotomist while preparing to collect
Startles the person in their sleep
In collecting a blood specimen from an unconscious patient it us unnecessary to
Move the patient to a special Phlembotomy collection area
What do you do if a physician is in the room with a patient that has a test ordered STAT?
Introduce yourself and ask if you can draw the test STAT
What us the best thing to do if the family or visitors are in the room?
Ask them to wait outside
How do you verify that the person in 32B is John Doe
Ask for his name & DOB and match the lab requisition
Your patient is cranky and rude to you, what do you do?
Be as professional as you can and collect the specimen in a normal way
What is the most critical mistake a phlebotomist can make?
Misidentify the patient’s specimen
Where is the best place yo apply the tourniquet?
3-4” above the venipuncture site
A national organization that sets standards for phlebotomy procedures
CLSI
Which of the following veins are in the proper order of vein selection for venipuncture?
Median cubicle, cephalic, basilic
The difference between serum and plasma is
Plasma contains fibrinogen
Which needle gauge has the smallest diameter
23
Which tube contains EDTA
Lavender stopper
If you centrifuge a specimen collected in a __ tube, the clear liquid portion is called serum
red stopper
Which of the following tubes are in the proper order of draw for the evacuated tube method?
Light blue, red, green
Which needle gauge is the standard needle for the evacuated tub method?
21 guage
what special handling does a bilirubin specimen require?
Protect from light
The BEST way to avoid reflux
Ensure the tube fills from the bottom up
For which of the following tubes is the blood-to-anticoagulant ratio most critical?
Lavender stopper
The recommended angle of needle insertion for routine venipuncture is
30 degrees or less
The tourniquet must not be longer than
1 minute
Which test may be elevated if collected from a screaming baby?
White blood count
Capillary puncture blood more closely resembles
Arterial blood than venous blood
The maximum allowable depth a lancer should penetrate during heel puncture is
2.0 mm
When performing a GTT, the fasting specimen is collected at 0610. The patient is given the glucose beverage at 0613 and finishes at 0618. When is the 1-hour specimen collected?
0718
Which of the following is an unsafe site for heel puncture?
Posterior curvature of the heel
Damage to the red blood cells and release of hemoglobin into the serum or plasma is called
Hemolysys
The silica in an SST
Activates and enhances clotting
Which test is most affected by tissue fluid contamination
Protime
What is the advantage of collecting STAT chemistries in green stopper tubes?
The test can be performed sooner
Which anticoagulant inhibits formation
Heparin
Which of the following tests is commonly ordered on patients with FUO?
Blood cultures
The substance typically used to clean a site prior to routine venipuncture is
70% isopropyl alcohol