WorksheetsDM Ch 8
Total questions: 21
Worksheet time: 11mins
What equipment would be best to use when performing venipuncture on an elderly patient currently undergoing chemotherapy.
A winged collection set and syringe with a 23 gauge needle
A winged collection set and evacuated tubes with a 21 gauge straight needle
A straight 23 gauge multi-sample needle and evacuated tubes
A straight 21-gauge multi-sample needle and evacuated tubes
Collection tubes for capillary puncture usually have a volume of
1.0-3.0 ml
0.125-0.6 ml
1.8-2.2 ml
0.25-1.0 ml
The substances studied in blood tests are called
analytes
materials
factors
activators
Which of the following may be present in a collection tube but in most cases does not change the qualities of the blood itself.
calcium binding anticoagulants
thrombin inhibiting anticoagulants
clot accelerators
separator gel
Glycolysis is prevented by the additive
sodium floride
potassium oxalate
sodium oxalate
EDTA
A red topped tube is often used for _____tests.
coagulation
hematology
serology
glucose
A patient has orders for a blood culture and coagulation studies. Which of these indicates the proper order for drawing these specimens?
Yellow topped SPS tube/blood culture bottle, light blue top tube
Light blue top tube, yellow topped SPS tube, blood culture bottles
Yellow topped ACD tube/ blood culture bottles, light green topped tube
Yellow topped SPS tube/blood culture bottles, lavender topped tubes
Blood is tested for the presence of bacteria by performing a
blood culture
complete blood count
complete blood count with differential
coagulation study
Preanalytical errors take place
before the patient enters the laboratory for a blood draw
before testing is performed on a specimen
during the testing process
In the process of creating a treatment plan based on test results
A phlebotomy technician can cause preanalytical errors by
filling collection tubes in the wrong order
mixing specimens with tube additives immediately after blood draw
labeling a specimen tube after collection
delivering a specimen for testing immediately after drawing it
Needles used for venipuncture are
hollow with an angles opening
solid with a pointed tip
hollow with a blunt round opening
available in hollow or solid models
Where in the order of draw for capillary puncture specimens do EDTA tubes fall (including blood gas collection in the order)?
first
second
third
fourth
A patient has just received a medication intravenously. Her doctor has ordered that her peak medication level be checked. When is the doctor most likely to indicate blood should be drawn to check the level?
1 hour
30 minutes
Right before she receives the next infusion
Immediately
A large group of patients checks in first thing in the morning for routine blood tests. When the last patient in this group is seen by the phlebotomist at 8:30 am, she reports she last ate at 5pm. the previous day. Which of the following is true?
There is no concern that the length of the patients fast will affect any analytes.
There is a chance that the length of the patients fast will affect some analytes.
The patient should be sent home and asked to return the next day.
The phlebotomist should tell the patient that she should have eaten dinner later.
Which of the following might be used to confirm the identity of a patient who is unable to speak?
A name tag on the patients door
a family member at the patients bedside who states and spells his name.
A roommate who nods when asked if the patients name is the name on the requisition form
A chart on the patient's bedside table
One of these patients is more likely than the others to be misidentified. Which one?
A patient named Tim Brown who has Alzheimer's disease
A patient named Andres Calderon who is fluent in Spanish and English.
A patient named Beatrice Seddon who has diabetes.
A pediatric patient named Natasha Disher whose father is accompanying her
The best attitude that a phlebotomist can adopt for a safe blood draw is
I've already done this a hundred times. This patient won't be any different.
I know each patient is different so I will be ready for anything.
I am going to expect trouble from every patient
The sooner I can finish this draw the sooner I won't have to worry about things going wrong.
Jostling or rough handling of collection tubes
does not create any problem with specimens
ensures that specimens are mixed thoroughly with additives
can damage cells in a specimen
is sometimes allowable, depending on the tests that will be performed.
Patients who indicate that they have fainted during previous blood draws
should not have blood drawn again
should be placed in a reclined flat surface for a blood draw
require that a physician be present during all blood draws
should dit on the edge of an exam table for a blood draw
A foam wedge may be used
as a means of restraining a pediatric patient in a chair
as an aid to positioning the patients arm
to cushion specimen tubes
to stick needles into after use before they are discarded
Patients who are over weight
can not be accommodated at most laboratories
May require the use of a bariatric phlebotomy chair
do not require special treatment or equipment for phlebotomy
do not generally have blood tests ordered
