Reasons for specimen recollection include all of the following except....

prolonged bleeding after needle withdraw

When an artery is inadvertently stuck during collection, which of the following is not true?

the sample should be labeled as usual

The location for heel sticks is the...

medial or lateral borders of the plantar surface

To avoid reflux of an anticoagulant, you should do all of the following except...

keep the patient's arm elevated above the heart

Which medication does not interfere with the BT test?

all of these interfere with this test

Which of the following is incorrect?

newborns have more plasma than adults

To enhance vein prominence, you can..

apply a moist cloth to the area

Hemoconcentration is...

alteration in the ratio of elements in the blood

In performing a dermal puncture, the puncture should be...

perpendicular to the whorls of the fingerprint

Which samples are collected first in a capillary collection?

both platelet counts and complete blood counts

Capillary collection may be appropriate in geriatric patients because...

their veins tend to be small and fragile

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Phlebotomy Chapters 10, 11, and 12 Review

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Questions 41

Answers

1
Which finger is most widely used for capillary collection?
thumb
index
ring
pinky
2
Which laboratory department may require special patient ID?
microbiology
hematology
chemistry
blood bank
3
An infant heel warming device should be applied for...
8 to 10 minutes
1 to 2 minutes
30 seconds
3 to 5 minutes
4
Which is not a type of CVC?
Triple lumen
Groshong
Fistula
Broviac
5
Reasons for specimen recollection include all of the following except....
contamination by powder from gloves
using the wrong antiseptic
prolonged bleeding after needle withdraw
incomplete drying of the antiseptic
6
Povidone-iodine is not recommended for...
blood cultures
demal punctures
blood gas draws
blood alcohol draws
7
When an artery is inadvertently stuck during collection, which of the following is not true?
pressure should be applied for 10 minutes
blood may spurt into the tube
the blood may be bright red
the sample should be labeled as usual
8
The location for heel sticks is the...
center of the plantar surface
posterior surface
arch
medial or lateral borders of the plantar surface
9
To avoid reflux of an anticoagulant, you should do all of the following except...
remove the last tube from the needle before removing the needle
allow the tube to fill from the bottom up
keep the patient's arm elevated above the heart
remove the last tube from the needle before removing the tourniquet
10
Good candidates for dermal collection include patients who...
all of the above
are older than 30
are obese
are severely dehydrated
11
Which medication does not interfere with the BT test?
ibuprofen
aspirin
all of these interfere with this test
salicylates
12
Dermal punctures in pediatric patients are preferred for which test?
PKU
blood culture
cross-match
serum
13
An arm containing this is never used for phlebotomy procedures.
an arterial line
an implanted port
a heparin lock
a fistula
14
Which test is not affected by a patient position?
blood alcohol
enzymes
cholesterol
albumin
15
Which of the following has a higher value in a capillary sample as opposed to a venous serum sample?
hemoglobin
calcium
Total protein
potassium
16
Which of these is not a VAD?
PICC
EMLA
IV
CVC
17
Which laboratory test assays jaundice?
bilirubin
electrolytes
glucose
complete blood count
18
Samples for PKU testing are typically collected...
in a microcollection container
in a micropipet
in a collection tube
on special filter paper
19
Which of the following is incorrect?
newborns are more susceptible to infection than adults
newborns have more red blood cells than adults
more blood may be needed from newborns for testing than adults
newborns have more plasma than adults
20
Conditions that may alter the quality of a specimen or cause harm during a blood draw include the following...
mastectomies
hematomas
all of these
edematous tissue
21
Capillary collections are performed on...
veins
arteries
capillaries
arterioles
22
To enhance vein prominence, you can..
squeeze the patient's wrist
tap the antecubital area with your index and middle finger
apply a moist cloth to the area
elevate the arm in an upward position
23
Jaundice means...
yellowing of the skin
inflammation of the skin
bruising of the skin
swelling of the skin
24
Lymphostasis is...
the flow of blood from the collection tube back into the needle
destruction of blood cells
alteration in the ratio of elements in the blood
lack of lymph fluid movement
25
At what level does the blood pressure cuff remain during a BT test?
20 mm Hg
10 mm Hg
40 mm Hg
50 mm Hg
26
Blood should never be collected from the arm of a patient containing...
an IV
an arterial line
a CVC
an AV shunt
27
Hemoconcentration is...
alteration in the ratio of elements in the blood
the flow of blood from the collection tube back into the needle
lack of lymph fluid movement
destruction of blood cells
28
Hemolysis is...
lack of lymph fluid movement
destruction of blood cells
the flow of blood from the collection tube back into the needle
alteration to the ratio of elements in the blood
29
Which of the following occurs as we get older?
the layers of the skin become more elastic
arteries move farther from the surface of the skin
blood vessels widen because of atherosclerosis
Hematomas are more likely
30
In performing a dermal puncture, the puncture should be...
perpendicular to the whorls of the fingerprint
on the tip of the finger
on the edge of the finger
aligned with the whorls of the fingerprint
31
How frequently is the blood wicked during a BT test?
every 5 seconds
every 30 seconds
every 45 seconds
every 10 seconds
32
Only specially trained personnel acting on a physician's order are allowed to collect specimens from...
geriatric patients
mentally impaired patients
VADs
newborns
33
Which of the following could be a cause of hemolysis?
allowing blood to run down the side of a tube when filling with a syringe
drawing blood too slowly into a syringe
using a needle larger than 23 gauge
vigorously mixing the tubes
34
Which samples are collected first in a capillary collection?
both platelet counts and complete blood counts
chemistry tests
complete blood counts
platelet counts
35
Neonatal screening tests for which disorders are mandated by the United States?
PKU and sickle cell anemia
PKU and hypothyroidism
PKU and hyperthyroidism
PKU and vitamin D deficiency
36
The depth of a heel puncture should not be more than...
1.5 cm
2.0 cm
3.0 mm
2.0 mm
37
Crying causes an increase in...
white blood cell count
creatinine
platelet count
bilirubin
38
If a stat test is ordered and the patient is not in their room, you should...
locate the patient
wait in the patient's room until they return
leave the request at the nurse's station for the nurse to perform the draw
postpone the collection
39
Which gauge needle is best to use for a draw on a child younger than 2 years?
23
21
18
28
40
Capillary collection may be appropriate in geriatric patients because...
their veins tend to be small and fragile
tourniquets are hard to place in this patient group
most geriatric patients only require one blood test
they are likely to be obese
41
Collapsed veins can be caused by...
all of these
too large a needle for the vein
the plunger being pulled too quickly
too much vacuum asserted on the vessel

Phlebotomy Chapters 10, 11, and 12 Review Flashcards | StudBud