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45 Cards in this Set

  • Front
  • Back

Sodium Flouride prevents ______?

glycolysis
Red top tubes can be used to collect _______?

serum specimens

A tourniquet is used in venipuncture to ______?
find and enter veins more easily
When you are performing a routine venipuncture, you would use ___________ as an antiseptic.
70% isopropyl alcohol
The smaller the number of the gauge of the needle, the _________ the diameter.
larger
Premeasured tube vacuum causes evacuated tubes to __________________.
fill with blood automatically
Lavender top tubes are primarily used to perform _____________ tests.
hematology
A butterfly needle is used for drawing blood from _________________________________.
difficult and hand veins
RST stands for _________________.
Rapid Serum Tube
Blood in _________ tubes normally clot within 5 minutes.
RST
Hydrogen peroxide is a ________.
biocide
Turn your wrist back and forth at _____ degrees when mixing an additive.
180
royal-blue top tubes are __________________.
trace element free
a clot activator is _____________?
a substance that helps to enhance coagulation in tubes used to collect serum specimens
the most common antiglycolytic agent is

sodium flouride

an antiglycolytic agent

is a substance that prevents glycolysis

glycolysis is ________
the breakdown or metabolism of glucose (blood sugar)
oxalates
remove calcium and prevent clotting
potassium oxalate
is most commonly used in gray top tubes
Heparin is the additive in
Green and Light Green top tubes
Heparin
prevents clotting by inhibiting thrombin
The ratio for light blue top tubes is ________.
9:1 or 90%
EDTA is the additive in
lavender (purple) top tubes and pink top tubes
Citrates prevent _____________ by binding or chelating calcium
coagulation
Sodium citrate is __________________________.
the most common citrate
ECHO stands for

E (EDTA)


C (citrate)


H (heparin)


O (oxalate)




the most common anticoagulants

additive tubes must be inverted ___ to ___ times immediately after collection
3 to 10 times
anticoagulants are substances that ____________.

prevent the blood from clotting

Most _____ tubes contain some type of additive
ETS tubes (evacuated tube system)
tube selection is based on
vein condition, amount of blood required, and age of the patient
The standard size for venipuncture needles used in routine venipuncture is ________ guage
21 guage
a device used to compress the veins and restrict blood flow
tourniquet
NPO means _______.
non per os or "nothing by mouth"
Information needed for a requisition includes:
ordering physicians name, patients full name, and type of test being ordered
A member of the clergy is with the patient when you go to draw blood. What do you do?
Come back when the clergy member has left
you notice that an inpatient is not wearing an ID band when you go to collect blood, so you ___________.
Ask the patient's nurse to put an ID band on the patient to confirm the patients identity before blood draw
Should a patient refuse to have their blood collected, you should ______________.
Inform the patient's nurse or physician
You go to collect for a fasting glucose and notice the patient has eaten, you should ____________.
consult with the patient's nurse or physician to see if the you should follow through with the collection
You collect blood from a patient that did not fast when ordered, you should write ___________ on the tube.
"non-fasting"
label the collection tube _______________
immediately after blood collection
a tourniquet should be released within
one minute
when dealing with an elderly adult patient, you should ________________________.
apply adequate pressure to the site of the draw until bleeding stops
when collecting blood from a child you should never tell them, what?
that it will not hurt
When a patient admits to having a needle phobia, it is best to ________________.
Let someone more experienced collect the blood