Midterm Flashcards
according to standard first aid procedures which action control severe external bleeding.
apply direct pressure
Which process should be followed for the hep B vaccine?
one dose another one a month later and a final dose six months
which phrase describes the purpose of protective isolation?
protective isolation is when you’re protecting the PATIENT from outside contamination.
which is another term for the OSHA hazard communication, standard disclosure law MSDS act right to know law or un placard system.
right to know law
What is the proper order for putting on PPE
Gown, mask , gloves
When should the hep B vaccine be made available to employees assigned to duties with occupational exposure risk
Within 10 days of employment
What is the first thing the phlebotomist should do in the event of an accidental needle stick?
Decontaminate it
which is an example of a nosocomial infection.
Catheter site of a patient in the ICU becomes infected
which is an example of a means of transmission that differs from parental transmission.
drinking water from a contaminated glass.
in what instance might a patient be placed in protective isolation?
The patient has severe burns
which is an example of a work practice control that reduces risk of exposure to blood borne pathogens
hand decontamination
Which type of contact infection transmission involves the transfer of an infective microbe to the mucous membranes of a susceptible individual by means of a cough or sneeze
Droplet
when can occupational exposure to blood borne pathogens occur while the health care worker is performing work
When blood comes in contact with a cut
True or False? applying lip balm in the lab is acceptable when an employee has chapped lips
False
The function of the left ventricle is to deliver
oxygenated blood to the aorta
The receiving chambers of the heart are called
Atria
The relaxing phase of the cardiac cycle is called
Diastole
Which of the following represents the proper direction of blood flow
from arterioles to capillaries and venules
A blood clot circulating in the bloodstream is called
Embolus
Which blood cell has the ability to pass through the blood vessel walls.
Leukocyte
How can you visually tell serum from plasma
You can not visually tell them apart
hemostasis refers to
the stoppage of bleeding.
Which of the following veins is not an antecubital vein
Femoral
which tests must be performed on whole blood
CBC test
a major difference between arteries and veins is that
veins have one way valves
Which is the best tool for collecting an ethanol specimen?
Sodium fluoride (grey top)
which needle gauge has the largest lumen?
18
The test performed in the following department are typically collected in a tube with a light blue stopper.
Coagulation
A tube with a green stopper normally contains
Heparin
the purpose of an anti glycolytic agent is to
Preserve glucose
the solution normally used to clean the site before a routine venipuncture
70% isopropanol
When latex or vinyl strap tourniquets become soiled with blood, it is best to
Throw them away
What is the most important factor in choosing which gauge needle to use
See the size and condition of the vein
Which additive is usually present in a tube with a lavender stopper.
EDTA
glass particles present in serum separator tubes
enhance clotting
The Slanted tip of the needle that enters the vein is called
Bevel
according to CLSI standard which tube is filled last when using a syringe
EDTA
True or false. The 21 gauge MultiSample needle is considered the standard needle for routine venni puncture.
True
True or false in a routine venni puncture the red tube should be drawn before the green tube
True
There is a request to draw a specimen from an inpatient by the name of John Doe. Which of the following is an acceptable way to confirm the patient’s identity
Match the ID band and requisition with the patient’s verbal statement of ID.
The following tests have all been ordered at the same time on different inpatients. There’s only one phlebotomist on duty which test should the phlebotomist collect first
STAT ➡️ ASAP ➡️ time ➡️ routine
Doing this during the vein selection process is bad for the specimen
Allowing them to pump their fist
Communicating in this way before obtaining a blood
C
The patient is just finishing breakfast. And should be doing fasting blood work what should you do
Talk to the nurse for approval
Never leave a  tourniquet on for more than
1 minute
How can you tell that you’re in a vein when using a needle in a syringe?
You can’t tell until you pull back the plunger
What is the most critical error of phlebotomist can make
Misidentification of the patient
what is the best way for a newly trained phlebotomist to handle a venipuncture on a patient with needle phobia?
ask the more experienced phlebotomist to do the draw
What would be the system of choice to identify a lab specimen from an unconscious unidentified woman in the ER
Three part ID band and labels
A phlebotomist arrives to draw from an inpatient patients doors closed what should
Knock softly open it slowly and ask permission to enter.
if a patient asks if a specimen to be drawn is for diabetes test, how should the patient how should the question be answered?
always defer to the doctor
Which of the following is the job of a student phlebotomist ?
always informed them Hi, my name is … I am a student phlebotomist
What is the purpose of waiting 30 seconds for the alcohol to dry before needle insertion actually
all of the above - prevent hemolysis /it avoids a stinging sensation/ the evaporation does help destroy the microbes on the skin.
true or false? You must draw blood from a four year old child you should restrain him immediately tell him to be quiet and safe.
False
Which instance most closely resembles the basal state
Someone who just awoke after fasting all night
You must draw a pro time specimen from a patient with IVs in both arms. Which of the following is the best to do?
Draw below the IV
It is not a good idea to collect the CBC specimen from a screaming infant because
white blood cell count may be falsely elevated
You have no choice but to draw a specimen from the site with a hematoma where should you obtain the specimen
a distal to the hematoma
Prolonged tourniquet application may cause a change in blood composition primarily because of
Hemoconcentration .
a phlebotomist has attempted twice to draw a PT T specimen from a patient with difficult veins. Both times the phlebotomist has been able to draw only a partial tube what should the phlebotomist do
Have another phlebotomist attempt to draw the specimine
Levels of this analyte can differ by 50% or more between morning and late afternoon.
Cortisol
which instance may lead you to suspect that you have accidentally punctured an artery
the blood pulses into the tube
If blood is drawn too quickly from a small vein the vein will have a tendency to
Collapse
a fistula is a an
a permanent fusion of an artery and a vein.
When a test requires a fasting specimen, but the serum is ___, it is a clue that the patient was not fasting
Lypemic
test influenced by diurnal variation are often ordered as ___ tests, and it is important to collect them as close as possible to
Timed
true or false peak levels of cortisol occur late in the afternoon.
False they peak in the morning
if the blood is filling the to very slowly and a hematoma is beginning to form the needle may not be deep enough True or False?
True
If a patient is complaining of a sharp radiating pain from a needle insertion site, the phlebotomist should hurry and finish the draw True or False.
False
Why are capillary blood gases less desirable than arterial blood gases
the skin pumps your blood contains tissue fluid, the skin pumps your blood is only partially arterial, the blood is exposed to air during collection or ALL OF THE ABOVE
What is the CLSI recommended maximum depth of a heel puncture?
2 mm
Why are EDTA specimens obtained before other specimens when collected by skin puncture
to minimize the effects of platelet clumping
Why should a laboratory report form indicate the fact that a specimen has been collected by capillary puncture?
because test results can vary depending on the method of collection.
Which of the following is the safest area for an infant heal puncture
Lateral plantar surface
a capillary puncture should be done rather than a very puncture in all of the following situations except
A light blue tube (9:1 ratio)
The purpose of wiping away the first drop of blood during skin puncture is to
eliminate tissue fluid contamination
capillary puncture blood most closely resembles
arterial blood
What is the term calcaneus mean?
Heel bone
Which micro collection container would be used to collect a specimen for a CBC?
Purple tube
It is necessary to control depth of Lancet insertion during capillary puncture to avoid
injuring to the heel bone.
What is the purpose of warming the site before the skin puncture?
increase blood flow up to seven times
True or false a phlebotomist should puncture a finger perpendicular to the finger whirls
True
True or false A magnet is used to mix a CB G specimen capillary blood gas specimen.
True
True or false. If a baby has a huge fleshy big toe it is acceptable to collect a billy ribbon specimen from it.
False
Of the following tests which is most likely to result in fatal consequences if the patient is Miss identified
Type and cross match
Which tests require strict skin antiseptic procedures before specimen collection.
Blood cultures
What type of additive is recommended for collecting an ethanol test?
sodium fluoride (grey tube)
When performing a glucose tolerance test the timing should begin
as soon as the patient finishes the drink
When collecting a blood culture specimen directly from a butterfly into blood culture bottles which should be filled first.
Aerobic
What requires a chain of custody.
Drug screens
Identify the condition in which a unit of blood is withdrawn from a patient as treatment
hemochromatosis
Which of the following tubes can be used to collect blood for a type and cross
Pink top EDTA tube
An autologous blood transfusion is a transfusion
donated by the patient for the patient.
The most critical aspect of blood culture collection
Skin antiseptics
This test requires a specimen with a nine to one ratio of blood to anticoagulant.
Phythrombine time (PT)
So hormone detected and it’s positive urine pregnancy test
hCG
Two hour postprandial specimen should be drawn
Two hours after a meal
true or false paternity testing is performed to determine the probability that a specific individual fathered a child.
True
