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173 Phlebotomy High Yield Practice Test (QUESTIONS 121-140)
121. When
performing skin puncture on an infant or child, why are hematology specimens
collected first?
A.
to
maintain the proper blood pH
B.
to
increase white and red blood cells in the Unopette for blood cell counts
C.
to
minimize increased red blood cells in the microcollection containers
D.
to
minimize platelet clumping
122. Venipuncture
in children is indicated for the following laboratory tests:
A.
Blood
cultures
B.
Glucose
C.
WBC
D.
Blood
gases
123. To pre-warm
the infant's heel for blood collection, it is best to pre warm the site for:
A.
30
seconds
B.
3
to 5 minutes
C.
1
to 2 minutes
D.
5
to 8 minutes
124. How should
an infant be positioned during the
performance of a heel stick?
A.
prone
position
B.
lateral
position
C.
supine
position
D.
recovery
position
125. Which of
the following is true concerning the skin puncture on an infant compared with
the dorsal hand venipuncture procedure on an infant?
A.
Hemolysis
occurs more often
B.
It
is less stressful for the patient
C.
Fewer
punctures are required
D.
There
is less tissue fluid leakage and thus, less dilution of the specimen
126. This age
group is embarrassed to show fear when venipuncture is performed on them?
A.
1
to 3 years old
B.
13
to 17 years old
C.
6
to 12 years old
D.
3
to 5 years old
127. Blood gas
testing includes testing for:
A.
pH2O, pH, and pO2
B.
pH,
pH2O,
and CO2
C.
pH,
O2, and
CO2
D.
pH2O, pH and O2
128. The best
location for performing a phlebotomy on a hospitalized child is:
A.
at
the bedside in a chair
B.
in
his/her bed
C.
in
a playroom
D.
in
a treatment room
129. A major
medical error that can occur from a neonatal heel stick is:
A.
Osteomyelitis
B.
Congenital
adrenal hyperplasia
C.
Toxoplasmosis
D.
PKU
130. Which of
the following steps does the dorsal hand vein technique for infants include?
A.
the
infant is stuck with a safety lancet
B.
the
health care provider collecting the specimen uses a small non latex tourniquet
C.
the
blood is collected through a safety butterfly needle
D.
the
patient's wrist veins are used
131. Which age
group would perceive pain from a needle stick as a punishment for bad behavior?
A.
1
year old
B.
6
to 10 years old
C.
3
to 5 years old
D.
11
to 15 years old
132. Where is blood
collected from during a blood spot
testing for neonatal screening to detect metabolic and genetic abnormalities?
A.
the
median cubital vein
B.
the
central area of the heel
C.
the
lateral plantar surface of the heel
D.
the
dorsal vein
133. Which of
the following is NOT a normal acceptable intervention to alleviate pain when
performing venipuncture on an infant?
A.
Pacifier
B.
EMLA
cream
C.
oral
sucrose
D.
lidocaine
injection
134. Which of
the following is needed for blood collection by skin puncture on an infant?
A.
Purple-topped
evacuated tube
B.
BD
Eclipse safety needle
C.
Puncture-resistant
sharps container
D.
Non latex
tourniquet
135. Which of
the following steps does the dorsal hand vein technique for infants include?
A.
the
infant is stuck with a safety lancet
B.
the
blood is collected through a safety butterfly needle
C.
the
health care provider collecting the specimen uses a small nonlatex tourniquet
D.
the
patient's wrist veins are used
136. The optimal
depth of a fingerstick in a child is:
A.
greater
than 3.0 mm
B.
less
than 3.0 mm
C.
less
than 2.0 mm
D.
less
than 0.5 mm
137. For the
performance of a heelstick on an infant, the infant should be positioned in
the:
A.
lateral
position
B.
recovery
position
C.
supine
position
D.
prone
position
138. What is another term for fluid found in the
tissues.
A.
Hemostatic
B.
Synovial
C.
interstitial
D.
hemoglobin
139. When
performing skin puncture on an infant or child, why are hematology specimens
collected first?
A.
to
minimize platelet clumping
B.
to
increase white and red blood cells in the Unopette for blood cell counts
C.
to
maintain the proper blood Ph
D.
to
minimize increased red blood cells in the microcollection containers
140. When using
butterfly needle technique during the collection of a blood culture specimen,
which blood culture vial is collected first?
A.
Anerobic
vial
B.
Aerobic
vial
C.
Does
not matter
D.
Both
aerobic and anerobic
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