typical labeling requirements for a blood bank specimen include

patients fir/last name,no middle initial needed

which of the following procedures is required for a BC using a Chloroprep kit?

cleansing bottle tops with isopropyl alcohol

you insert needle/properly engage tube/no blood flows/make subtle needle adjustments/what next?

try a new tube in case it is a vacuum problem

when does the lookback program occur?

when blood service is made aware of a transfusion infection

during a GTT which of the following is acceptable>?

allowing patient to drink water at any time during test

specimens transported by a courier must

protected from direct sun exposure

middle of drawing a blood specimen/patient starts to faint/first thing you should do is

quickly release tourniquet and remove the needle

which of the following represents proper capillary specimen collection technique?

touch scoop to the blood drop, not skin surface

when thawing a frozen sample, the procedure is to

warm it to 25 degree C/invert 10 to 20 times after thawing

a specimen is delivered to a laboratory that has an LIS, the very next step is to

scan the bar code for verification

the fasting specimen for a GTT is drawn

before the test has actually begun

monitoring quality of waived testing being done at bedside is a challenge for lab because

more tests are classified as waived each yr

which activity is least likely to lead to failure to draw blood?

choosing a vein that has patency

latent fibrin formation in serum can result from

incomplete clotting when centrifuged

which of the following is a recommended site for finger puncture in adults

distal segment of the middle finger

To "balance" a centrifuge means to :

put tubes of equal size, amount of specimen opp each other

Most POC analyzers are interface capable, but the decision to do so is based on the

impact the test result has on the patient

in performing radial artery puncture, the needle should enter the skin

at the point where the pulse is felt

which of the following can result in a blood smear that is too long?

blood drop is too large or too thin

an infant bilirubin specimen is collected in an amber microtube to

protect the specimen from light

the medial plantar surface of the heel is located

on the big toe side of the bottom of the heel

when accepting a specimen for transport to lab from nursing unit it is important to verify

patient identification information

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Phlebotomy final exam 9-14

125 termsStudBud Administration50 plays

final exam for Dec 15th

Flashcards125 cardsFPractice quizPHost liveL

Questions 125

Answers

1
The HemoCue Plasma/Low Hemoglobin instrument is used to indicate
respiratory distress
iantrogenic anemia
hemolyzed red cells
kidney malfunction
2
typical labeling requirements for a blood bank specimen include
full name of dr who ordered the crossmatch
hospital ID # only, no other identifyer is accepted
patients DOB and date and time of collection
patients fir/last name,no middle initial needed
3
which of the following procedures is required for a BC using a Chloroprep kit?
scrubbing for a full 2 minutes
cleansing bottle tops with isopropyl alcohol
using concentric circles with PVP
isopropyl swab before using chloroprep
4
you insert needle/properly engage tube/no blood flows/make subtle needle adjustments/what next?
lift up on the needle to create a steeper angle
try a new tube in case it is a vacuum problem
keep redirecting needle until you hit a vein
discontinue draw/try somwhere else
5
which 2 federal agencies work together to regulate transporting of biological specimens offsite
DOT/IATA
CLIA/IATA
CAP/CLSI
FDA/OSHA
6
Postprandial refers to
after eating a meal
after medication
after fasting for 2 hours
just before eating
7
which of following should be removed from list of tests that the i-STAT instrument can measure?
Hgb and Hct
Gluc and BUN
CBC & PT
Na+ and K+
8
Inadequate mixing of an anticoagulant tube can lead to
microclot formation
immediate glycolysis
cell decomposition
extreme hemolysis
9
results of this test have a direct correlation with the patients age
glucose
hemoglobin
creatinine clearance
blood culture
10
when does the lookback program occur?
at time the unit is collected at the blood donor center
b4 the blood unit is matched to a recipients blood sample
if there is a transfusion of incompatible blood to patient
when blood service is made aware of a transfusion infection
11
during a GTT which of the following is acceptable>?
permitting patient to chew sugarless gum and smoke
allowing patient to drink water at any time during test
giving coffee to patent after drawing fasting specimen
timing all specimen collection after fasting spec was collec
12
which of the following specimens would most likely be rejected for testing?
a nonfasting glucose specimen
an underfilled serum tube
an icteric bilirubin specimen
a hemolyzed potassium specimen
13
specimens transported by a courier must
transported horizontally for safety
be kept close to body temperature
centrifuged prior to transportation
protected from direct sun exposure
14
middle of drawing a blood specimen/patient starts to faint/first thing you should do is
quickly release tourniquet and remove the needle
tell patient to lower the head and breathe deeply
apply cold compress to patients head
grab ammonia inhalant and wave it near patients nose
15
which of the following represents proper capillary specimen collection technique?
clean site with alcohol and wipe it dry so it will not sting
puncture skin parallel to whorls of fingerprint
squeeze finger hard to get very best blood flow
touch scoop to the blood drop, not skin surface
16
when thawing a frozen sample, the procedure is to
warm it at 37 degree C/mixing it when ready for testing
heat it in a warm water bath/invert it occasionally
thaw it in refrigerator/mix only when thawed
warm it to 25 degree C/invert 10 to 20 times after thawing
17
which of the following is an acceptable range of needle gauges for arterial puncture?
18 to 23
16 to 21
23 to 28
20 to 25
18
a specimen is delivered to a laboratory that has an LIS, the very next step is to
send the charge for it to billing
assign it an accession number
scan the bar code for verification
order and print a collection label
19
which of the following would most likely lead to recollection of a drug screen specimen
SG is too low
All of the above
pH is too high
pH is too low
20
the fasting specimen for a GTT is drawn
right after teh glucose drink is finished
when the timing for the test begins
before the test has actually begun
as close to 6:00 am as possible
21
monitoring quality of waived testing being done at bedside is a challenge for lab because
quality control is not required for waived testing
technology cant keep up with big deman
personnel doing waived testing are not trained
more tests are classified as waived each yr
22
which activity is least likely to lead to failure to draw blood?
using a tube that was dropped
leaving the tourniquet on too long
loosely anchoring the vein
choosing a vein that has patency
23
Peak and trough specimens are collected for
blood cultures times two
blood units to be cross-matched
cardiac enzyme evaluation
therapeutic drug monitoring
24
The concentration of this analyte is normally lower in capillary specimens that in venous specS
calcium
hemoglobin
all of the above (correct this later)
glucose
25
latent fibrin formation in serum can result from
gross hemolysis of the specimen
a centrifuge speed that is set too high
incomplete clotting when centrifuged
a long delay before centrifuguation
26
which of the following is a recommended site for finger puncture in adults
distal segment of the middle finger
end segment of the little finger
proximal segment of ring finger
plantar surface of index finger
27
capillary blood composition more closely resembles
arterial blood
venous bloos
tissue fluid
lymph fluid
28
most important criterion selecting an artery for ABG collec provided no other reason avoid site
collateral circulation
depth of the artery
dominance of the arm
strength of the pulse
29
To "balance" a centrifuge means to :
place on a sturdy counter w/ a level & motionless surface
fill it completely with tubes that are all same specimen
all of the above
put tubes of equal size, amount of specimen opp each other
30
average normal body temperature is
37 degrees C
20 degrees F
98.6 C
37 degrees F
31
the specimen for this test requires stat handling & is typically coll by dr.in 3/4 sterile tube
nasopharyngeal culture
gastric analysis
CSF analysis
suprapubic urine specimen
32
adult capillary puncture may be performed when
there are no accessible veins
the patient has thrombotic tendencies
veins must be saved for chemotherapy
all of the above
33
prior to performing a test on a POCT instrument, phlebotomist should
be familiar with the instruments maintenance procedures
understand the quality assurance aspects of the instrument
all of the above
be able to operate the instrument correctly
34
Most POC analyzers are interface capable, but the decision to do so is based on the
number of analyzers that are available
type of POCT instrument being used
impact the test result has on the patient
cost of the test that is being performed
35
withdrawing a unit of blood from a patient for therapeutic purposes is used as a treatment for
all of the above
major surger
polycythemia
bacteremia
36
wipe away the first drop of blood during capillary puncture to
all of the above
reduce the chance of hemolysis
remove any alcohol residue
minimize tissue fluid contamination
37
Synovial fluid is aspirated from the
heart
stomach
lungs
joints
38
this device automatically resets itself correct point for data input after enter key is pressed
icon
ROM
cursor
CPU
39
patients arm in anatomical position/loop under skin between wrist/elbow/buzzing sensation
an AV graft
a sclerosed vein
an implanted port
a PICC
40
the best way to keep a vein from rolling is to:
use a large-diameter needle
insert needle at a 45 degree angle
tie the tourniquet very tight
make certain to anchor it well
41
in performing radial artery puncture, the needle should enter the skin
at the point where the pulse is felt
distal to where the pulse is felt
proximal to where the pulse is felt
lateral to where the pulse is felt
42
bone marrow samples are typically evaluated in
serology and immunology
coagulation and blood bank
hematololgy and histology
chemistry and microbiology
43
which of the following is a clue that you have accidentally punctured an artery instead of vein
the blood is dark bluish red
the patient feels great pain
the blood spurts into the tube
all of the above are clues
44
which of the following can result in a blood smear that is too long?
patient has a high hemoglobin level
blood drop is too large or too thin
spreader slide is pushed too quickly
angle of spreader slide is too steep
45
an infant bilirubin specimen is collected in an amber microtube to
protect the specimen from light
identify it as a bilirubin specimen
reduce the chance of hemolysis
flag it as a capillary speimen
46
the medial plantar surface of the heel is located
in the middle of the bottom of the heel
on the little toe side of the bottom of the heel
at the very back portion of the heel
on the big toe side of the bottom of the heel
47
the primary purpose of warming a capillary puncture site is to
delay clotting
reduce hemoconcentration
increase blood flow
minimize contamination
48
when accepting a specimen for transport to lab from nursing unit it is important to verify
name of nurse requesting transport
patient identification information
billing code information
physician requesting the test
49
which specimen should not be centrifuged?
CBC
vit B12
glucose
protime
50
skin pain fibers increase in abundance
within the vascular bed
beyond 4.9 mm in depth
below 2.4 mm in depth
in the upper epidermis
51
patient has mastectomy left side/IV midway down right arm/what is best place to do venipuncture
below IV on right arm
above IV on the right arm
in the left hand or wrist
in the left antecubital area
52
an ABG specimen is most likely to be rejected if it
is collected in a glass syringe
is determined to be QNS
arrives at the lab 20 minutes after collection
contains only around 2 mL of blood
53
performin GTT , fasting is drawn 6:15, pat. finishes beverage 6:30. when should 2 hr spec be do
8:30
8:15
9:15
9:30
54
when collecting plasma specimen/pat has iv left arm near wrist/hematoma right arm/best place to
from the IV after shutting it off for 2 minutes
all of the above are acceptable collection sites
above the IV
distal to the hematoma
55
the serum or plasma of a hemolyzed specimen would most likely look
pale yellow
pinkish to red
cloudy or turbid
yellowish brown
56
the medical term for fainting is
syncope
edematous
exsanguination
reflux
57
a stool specimen is needed for the ______ test
A1 c
Guaiac
strep
Lipid
58
which of the following can be detected by chemical analysis of a urine specimen?
glucose
all of the above
clarity
crystals
59
which of the following urine specimens will normally have the highest specific gravity?>
first morning
random
24 hour
midstream
60
the abbreviation for computer memory that can be lost ifnot saved is
RIM
ROM
RAM
REM
61
a urine pregnancy test detects the presence of
HCG
UTI
AFP
DNA
62
glycosylated hemoglobin is performed to monitor effectiveness of therapy which condition?
renal disease
diabetes
acidosis
inflammation
63
Glycolysis can falsely lower glucose values at a rate of up to
3% to 5% per hour
6% to 10% per hour
5% to 7 % per hour
1% to 3% per hour
64
for what purpose is the oral glucose challenge test used?
to assess kidney and bladder function
to screen for gestational diabetes
to detect absorption function disorders
to check for lactose intolerance
65
which of the following would most likely be rejected for testing?
CBC specimen in a slightly underfilled tube?
bilirubin specimen in a half-filled microtube
hemolyzed specimen for potassium testing
UA specimen in a container that is not sterile
66
which activity can contaminate blood specimen and affect the testing performed on it?
all of the above can affect testing done on a specimen
cleaning site with alcohol before drawing and ETOH specimen
collecting blood cultures b4 the povidone-iodine is dry
using povidone-iodine to clean site prior to a finger punctu
67
Blood levels of this specific analyte begin to rise within 4 hrs of an MI
ALT
TnT
BNP
LDL
68
which specimen may take longer than normal to clot?
all of the above
specimen from a patient with a high WBC count
chilled specimen that is from an outpatient clinic
specimen from a patient on anticoagulant therapy
69
a hematoma may result from
using a needle that is too large for the size of vein
inadequate site pressure applied after venipuncture
all of the above can result in hematoma formation
needle penetration thru the back wall of vein
70
request to collect ABG specimen. Patient has a positive Allen test on R arm. What should u do?
collect the specimen from the right radial artery?
perform the Allen test on the left arm
collect the specimen from the right ulnar artery
collect the specimen by capillary puncture
71
Pediatric blood cultures creates challenges because
BC collection requires 2 sets of cultures from one venipunct
most ill children already rec'vd broad spectrum antibiotics
special media bottles are made to accomidate childrens veins
the antiseptic technique is diff if u you chloroprep swab
72
which of the following tests is affected the most if collected from a crying infant?
WBC count
bilirubin
cholesterol
lead level
73
underfilling this tube will most likely result in a hemolyzed specimen
light blue top
EDTA tube
SST
gray top
74
Hyperkalemia means
decreased calcium in the blood
increased calcium in the blood
increased sodium in the blood
increased potassium in the blood
75
which of the following specimen conditions would lead you to suspect patient was not fasting?
pink to reddish plasma
pale-yellow plasma
cloudy white serum
yellowish brown serum
76
a plasma specimen for this type of test cannot be collected by capillary puncture
all of the above
hematology
coagulation
chemistry
77
the difference between bar codes and radio frequency identification is
RFID cannot be used to label speimens
RFID can work up to 100 feet away
radio frequency ID is less expensive
radio frequency ID is not standardized
78
input devices include
icons
monitors
cursors
glidepads
79
blood smears made using EDTA specimens should be prepared within
1 hr of specimen collection
2 hours of specimen collection
6 hours of specimen collection
24 hours of specimen collection
80
results of a bilirubin test specimen exposed to light for an hr can be decreased up to
65%
10%
25%
50%
81
blood bank specimens require which of the following ID information?
patients full name
date and time of collection
all of the above
patients date of birth
82
must collect ABG when patient is breathing room air/jus toff vent, how long do you have to wait
20 to 30 minutes
immediately
in 5 to 10 minutes
after 1 hour
83
autologous donation is performed to
save time in surgery
correct polycythemia
prevent stress on the heart
avoid a transfusion reaction
84
according to GAP guidelines, drugs that interfere with blood tests should be stopped
1-4 hrs before the test
4-24 hrs before the test
48-72 hrs before the test
24-48 hrs before the test
85
Sputum specimens are used to detect
pregnancy
recent drug use
Tuberculosis
cystic fibrosis
86
which of the following is the most likely to affect test results
syncope
edema
petechiae
reflux
87
the abbrev. of the organization established to ensure that POC analyzers are able to talk LIS
LCIA
IATA
CIC
DOT
88
in addition to ID info which of following is typically documented b4 ABG specimen collection
room temperature
all the above
FiO2 or L/M
history of smoking
89
information in the form of alternately spaced black bars and white spaces is called a/an
ID code
mnemonic
bar code
accession number
90
In DOT's 10 step to coll sitte/secur/integ, drug screen testing is secured for collect urine sp
employees must empty pockets and leave bags behind
employee is closely observed by video camera
employee takes specimen to the testing site
collection site is inspected after completion
91
according to teh Red Cross, persons wishing to donate blood must be
a resident of the state for at least 3 yrs
no less than 120 lbs and ambulatory
fasting for 8 - 12 hrs before arriving
at least 17 yrs old in most states
92
which of the following POC tests is used to monitor warfarin therapy?
ACT
INR
BN
PTT
93
in collecting blood cultures, one of the most frequent errors made is
not noting the venipuncture location
incorrect labeling of the media bottles
failure to inoculate two media bottles
improper cleansing of the collection site
94
which of following actions by a specimen processor violates OSHA regulations?
loading specimens into centrifuge w/o gloves
wearing unfastened lab coat while creating specimen aliquots
pouring specimens into aliquot tubes instead of using pipett
all of the above
95
TDM trough concentration may be defined as the
lowest concentration of the drug during dosing interval
maximum effectiveness of drug in the tissues
none of the above
highest concentration of the drug during dosing interval
96
a urine sensitivity test
identifies a microorganism
exposes antibiotic susceptibility
screens for illegal drug use
detects inflammatory disorders
97
this test requires a 24 hour urine specimen
creatinine clearance
Urine cytology
HCG detection
glucose tolerance
98
this test is used to detect Helicobacter pylori
AFB
Guaiac
C-UBT
NP culture
99
which of the following tests doesnt require spec chain-of-custody documentation when collected
Drug screen
BAC
TDM
paternity testing
100
An inherited metabolic disorder detected through newborn screening is
potassium
diabetes
glucose
phenylketonuria
101
According to CLSI this test is negatively affected by tube system transportation
creatinine
albumin
potassium
uric acid
102
The specimen for this test should not be chilled
potassium
homocysteine
ammonia
lactic acid
103
do NOT use povidone-iodine to clean skin puncture sites because it interferes with
phosphorus results
potassium results
all of the above
uric acid results
104
blood loss to a point that life cannot be sustained is called
vasovagal syncope
iatrogenic anemia
exsanguination
diurnal variation
105
O2 saturation measures the
amount of oxygen dissolved in the plasma
oxygen pressure in the lungs
percent of oxygen bound to hemoglobin
alkalinity of the blood plasma
106
Capillary collection is the preferred method of blood collection in infants because
removing larger quantities of blood can lead to anemia
venipuncture may damage veins and surrounding tissue
all of the above
an infant can be injured by the restraining method used
107
it is necessary to control the depth of lancet insertion during heel puncture to avoid
bacterial contamination
puncturing a vein
excessive bleeding
bone injury
108
which of the following equipment is needed for a malaria test?
clay sealant
microhematocrit tube
capillary tube
glass slide
109
urine cytology studies can be performed to detect
infertility
alpha-fetoprotein
meningitis
cytomegalovirus
110
In collecting a blood alcohol test for forensic purposes, the venipunc site can be cleaned with
isopropyl alcohol
methyl alcohol
benzalkonium chloride
tincture of iodine
111
which is the best way to tell that the specimen you are collecting is in fact arterial blood?
the color of the blood is bright cherry red
a flash of blood appeared in the syringe on needle entry
there is no way to tell for certain
blood pulsed into the syringe under its own power
112
which is the first choice artery for ABG collection?
radial
ulnar
femoral
brachial
113
Normal operation of a computer is controlled by:
storage memory
applications software
systems software
hardware
114
which of the following personnel may be required to perform arterial puncture?
MTs
EMTs
Phlebotomists
all of the above
115
this type of sample can show evidence of long-term drug use
hair
saliva
breath
feces
116
which of the following PKU collection techniques is incorrect?
completely fill every circle
air-dry the slips horizontally
fill circles from both sides
do not touch the filter paper
117
normally, when the needle enters the artery
the syringe plunger starts to vibrate
a flash of blood appears in the syringe
all of the above can happen
you may hear a soft swishing sound
118
using cap. puncture to collect following microtubes from patient, which is collected first
red top
green top
purple top
gray top
119
the anticoagulant used in ABG specimen collection is
heparin
EDTA
sodium citrate
potassium oxalate
120
a single routine arterial specimen for both ABG and electrolyte testing should be transported
STAT
on ice
at room temperature
green-top tube
121
the risk of hematoma associated with arterial puncture is greatest if
a large diameter needle is used
the patient is elderly
all of the above
the patient is on a blood thinner
122
Molecular genetic testing requires
RNA tubes to be incubated at 37 degree C
chain of custody protocol to be followed
freezing of the spun sample immediately
specimens to be collected in sterile EDTA
123
Pilocarpine is used in this test procedure
CSF collection
sweat chloride
bone marrow biopsy
gastric analysis
124
a blood specimen aliquot can remain at room temperature no longer than
2 hours
4 hours
8 hours
1 hour
125
which of the following tube additives is preferred for collection of blood culture specimen
sodium or potassium heparin
citrate phosphate dextrose
potassium oxalate and fluoride
sodium polyanethol sulfonate

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