Tube Colors
This tube contains heparin.
a. lavender
b. green
c. light blue
d. red/gray
b. green
What color are blood collection tubes that are generally called CBC tubes. They contain ethylenediaminetetraacetic acid additive (EDTA).
a. orange
b. green
c. lavender
d. gray
c. lavender
As a safety consideration, patients who say they feel faint:
a. should put their head down between their knees.
b. should be asked to stand up.
c. should place on ice pack on the puncture site.
d. all of the responses are correct.
a. should put their head down between their knees.
You should ask if a patient has an allergy to this before applying a bandage to a puncture site.
a. spirits of ammonia
b. tourniquets
c. adhesive
d. needles
c. adhesive
When performing a venipuncture, you should ask the patient to clench the fist:
a. always.
b. never.
c. only if the vein stands out.
d. only if the vein does not stand out.
d. only if the vein does not stand out.
This tube contains sodium citrate.
a. gray
b. red
c. light blue
d. gold (SST)
c. light blue
Tests drawn in the light-blue-stoppered tubes should be performed within:
a. 15 minutes.
b. 30 minutes.
c. 1 hour.
d. 2 hours.
d. 2 hours.
You should not obtain a venous blood sample from which of the following:
a. a patient that has had a mastectomy with lymph node dissection on that side.
b. An arm that has never had an intravenous line inserted.
c. An area that has obvious veins protruding.
d. all of the responses are correct
a. a patient that has had a mastectomy with lymph node dissection on that side.
What is a hematoma?
a. surgical puncture of a vein
b. the breakdown of blood cells
c. collection of blood just under the skin
d. an area that has obvious veins protruding
c. collection of blood just under the skin
When it is very difficult to draw blood from a patient, it is recommended that you try using a(n) ____ as a tourniquet.
a. ACE bandage
b. stethoscope cord
c. oversized rubber band
d. blood pressure cuff
d. blood pressure cuff
This tube contains potassium oxalate and sodium fluoride.
a. gray
b. red
c. green
d. lavender
a. gray
The tubes that contain SST gel tubes must stand for _____ minutes.
a. 45
b. 30
c. 60
d. 8 to 10
b. 30
The law regarding who performs venipuncture:
a. is a national standard.
b. varies by region.
c. varies from state to state.
d. is regulated by CLIA.
c. varies from state to state.
If blood leaks out of the vein into the body during a venipuncture, it may cause:
a. itchy, dry skin.
b. discoloration and swelling.
c. drowsiness and vertigo.
d. loss of sensation and nausea
b. discoloration and swelling.
When obtaining venous blood with a vacuum tube, the tip of the needle should be inserted into the vein at a ____- degree angle.
a. 90 to 95
b. 75 to 80
c. 45 to 50
d. 15 to 30
d. 15 to 30
Invert this color 3 to 4 times.
a. clear
b. gold (SST)
c. light blue
d. gray
c. light blue
Light-blue-stoppered tubes are most often the 5-mL size and are used for:
a. coagulation testing.
b. testing blood glucose levels.
c. testing several chemical constituents.
d. serum levels testing.
a. coagulation testing.
If an accidental arterial puncture occurs during the venipuncture procedure:
a. discontinue the venipuncture immediately.
b. remove the needle.
c. apply direct forceful pressure to the puncture site.
d. all of the responses are correct.
d. all of the responses are correct.
When the needle is inserted into the vein, it punctures the wall of the vein and blood can then leak out into the surrounding tissues. This bleeding can cause discoloration and swelling. This is also known as which of the following?
a. Hematoma
b. Hematocrit
c. Hemoglobin
d. Haemophilus
a. Hematoma
Which of the following may not be kept in the specimen logbook unless the test is being performed in-house?
a. test results
b. test requested
c. date collected
d. patient’s full name
a. test results
Which statement is true regarding clear (discarded tubes)?
a. They have no additive
b. They need to be inverted 5 times
c. They contain silicon coating
d. Must draw first, using sterile technique
a. They have no additive
Blood in specimen tubes that contain an anticoagulant must be inverted immediately ______ times. Gentle inversion prevents hemolysis.
a. 4 to 5
b. 5 to 6
c. at least 6 to 7
d. 8 to 10
d. 8 to 10
If a patient sitting in a chair faints during the venipuncture procedure, you should first:
a. remove the tourniquet.
b. hold a bandage over the puncture site.
c. withdraw the needle.
d. help the patient carefully to the floor
a. remove the tourniquet.
It is generally appropriate to collect a capillary blood sample from a site that is:
a. bruised.
b. calloused.
c. pale.
d. injured.
c. pale.
Another method to encourage blood flow in patients whose blood is difficult to draw is __________ on the antecubital area for a few minutes before you begin the procedure to help make the veins stand out to the touch if not to the sight.
a. to use a pre-saturated cotton ball
b. to place a warm compress
c. to place a cold pack for at least three minutes
d. all of the responses are correct
b. to place a warm compress