Phlebotomy 1
Blood clotting is also known as
A. Coagulation
B. Homeostasis
C. Hematostasis
D. Bradycardia
What is coagulation?
The smallest blood vessels are
A. Arterioles
B. Venules
C. Veins
D. Capillaries
What is capillaries?
If a patient is in the prone position, he or she is _____
A. Lying face up on the back
B. Lying face down on the stomach
C. Lying on the side
D. Sitting in a phlebotomy chair
What is lying face down on the stomach?
Why should you put gloves on in front of a patient?
A. Because they are kept in the exam room
B. To reassure safety
C. To avoid lawsuits
D. You don't have to do this
What is to reassure safety?
Alcohol should be allowed to dry _____ before puncture.
A. 5-10 seconds
B. 15-20 seconds
C. 30-60 seconds
D. 60-90 seconds
What is 30-60 seconds?
If a person has an insufficient amount of platelets, it may lead to ______
A. Excessive bleeding
B. Formation of blood clots that may block blood vessels
C. Increased chance of infection
D. Anemia
What is excessive bleeding?
For a normal blood specimen, it usually takes _____ for the blood to clot
A. 5-6 minutes
B. 10-15 minutes
C. 30-60 minutes
D. 90-120 minutes
What is 30-60 minutes?
Venous vessels carry blood _____ the heart.
A. From the brain to
B. Away from
C. Towards
D. All of the above
What is towards?
Venipuncture is the chosen method of collection when _____ amount of blood is needed.
A. A small
B. A medium
C. A large
D. Any
What is large?
When performing an arterial puncture, the artery should be punctured at a _____ degree angle.
A. 15
B. 45
C. 60
D. 90
What is 90 degrees?
Macrophages are formed from monocytes.
A. True
B. False
What is true?
The average lifespan of platelets is
A. 0-1 days
B. 1-2 days
C. 5-9 days
D. 20-30 days
What is 5-9 days?
When performing venipuncture, the needle should form an angle of
A. 5-10 degrees
B. 15-30 degrees
C. 45 degrees
D. 60 degrees
What is 15-30 seconds?
The monoject monoletter is a safety device for capillary blood collection
A. True
B. False
What is true?
When performing a capillary puncture, why is it important to wipe away the first drop of blood?
A. It is contaminated with oil from the fingertip
B. It is contaminated with the alcohol used for sterilization
C. It is contaminated with tissue fluids
D. All of the above
What is contaminated with tissue fluids?
White blood cells are grouped into B cells, T cells, and ____
A. XYZ cells
B. ABC cells
C. NK cells
D. DE cells
What is NK cells?
The human arterial system develops at _____ of human development
A. 3-4 days
B. 4 weeks
C. 25 weeks
D. 30 weeks
What is 4 weeks?
When performing a capillary puncture, where should the cut be oriented on the finger?
A. Parallel to fingerprint lines
B. Across fingerprint lines
C. At the base of the finger
D. It doesn't matter where the lancet is oriented
What is across fingerprint lines?
A. 15 degrees
B. 30 degrees
C. 45 degrees
D. 90 degrees
What is 30 degrees?
An arterial puncture is usually performed for further analysis of
A. Drug use
B. White blood cell differentials
C. Platelet function
D. Blood gas
What is Blood gas?
Neutrophils defend the body against
A. Cuts and scrapes
B. Fungal or bacterial infection
C. Brain damage
D. Losing balance
What is Fungal or bacterial infection
When performing a capillary puncture on newborns, the lancet depth should be less than
A. 2.0 mm
B. 3.0 mm
C. 4.0 mm
D. 5.0 mm
Which is the preferred anticoagulant in clinical chemistry?
A. Heparin
B. Potassium EDTA
C. Sodium fluoride
D. Sodium citrate
What is Heparin?
When are butterfly needles used for collection?
A. When drawing blood from an infant
B. When drawing blood from an elderly patient
C. When conventional methods are too difficult
D. None of the above
What is when conventional methods are too difficult?
The larger the gauge size, the large the needle opening
A. True
B. False
What is false?