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HEMATOLOGY 1 > BLOOD COLLECTION > Flashcards

BLOOD COLLECTION Flashcards

marari trans (71 cards)

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1
Q

correct order of draw (color)

A

yellow
light blue
red
green
lavender
gray

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2
Q

blood collection is under what phase?

A

pre-analytical phase

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2
Q

most commonly used in hematology

A

anticoagulated blood

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3
Q

physiologic factors affecting test results

A

posture
excercise
diurnal rhythms
diet
stress
smoking

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4
Q

equipments necessary to perform a venipuncture

A

gloves
needles
hub
evacuated collection tubes
alcohol wipes
syringes
bandages/tape
gauze sponges
tourniquet
sharps container
povidone/iodine swabs/wipes
requisition form

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4
Q

puncturing the vein

A

venipuncture

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5
Q

what is the complete name of edta

A

ethylenediaminetertaacetic acid

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6
Q

order of draw (inversions)

A

8-10
3-4
5 (if plastic is used)
8-10
8-10
8-10

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6
Q

what is the liquid portion in the anticoagulated tube

A

plasma (has fibrinogen)

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6
Q

types of gloves

A

latex
vinyl
nitrile

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7
Q

order of draw (anticoagulants)

A

blood culture
sodium citrate
no additive
sodium heparim
edta
sodium flouride

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8
Q

tourniquet should be left for how long on the arms?

A

less than 1 minute

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9
Q

components of the evacuated tube system

A

evacuated tube
needle
adapter

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9
Q

glass tubes with ____ decreases hemolysis

A

silicone

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10
Q

the tourniquet should be placed in the arm for how many inches from the venipuncture site

A

3-4 inches above

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11
Q

what is the liquid portion in the coagulated tube

A

no fibrinogen

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12
Q

in serum testing how long does it take for the sample to clot

A

30-60 mins

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12
Q

purpose of clot activators

A

Accelerate clotting process
Decrease specimen preparation time

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13
Q

clot activators could activate what factor

A

factor XII

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13
Q

needed for clotting by forming insoluble calcium salts

A

Calcium

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13
Q

color of anticoagulant tops

A

lavender - edta
citrate - light blue
oxalate - gray

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14
Q

what color top is used in serum chemistry

A

gold top

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14
Q

→ inert material that undergoes a temporary change in viscosity during centrifugation process
→ enables it to serve as a separation barrier between serum or plasma and cells

A

gel separatora

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14
Q

Inhibits glucose metabolism by blood cells

A

Sodium fluoride

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15
binds to thrombin in the plasma
heparin
16
most common needle size for adults
21G (1 inch)
17
what are the average sizes of the two way needle when drawing blood
19-23G
18
parts of the syringe
plunger barrel needle hub needle
18
butterfly needle is used to collect blood sample for patients who are
Children Difficult to draw blood Geriatrics Tiny, fragile, rolling veins
18
Short needle with plastic wings connected to thin tubing
Butterfly Needle
19
parts of the syringe (starting from hub to needle)
hub shaft bevel lumen
20
3 possible sources in collecting blood
venous blood capillary blood arterial blood
21
what methods are performed when collecting venous blood
Syringe method Vacuum Method (ETS) Winged or Butterfly Method
22
arterial blood is usually done by
respiratory therapists
23
order of veins
median cubital vein cephalic vein basilic vein
24
why do we need to avoid basilic vein
It is near the brachial artery
25
if the veins in the arm are unavailable which site should we perform venipuncture?
hand or wrist veins
26
basic information needed in labeling a sample
Patient's Full name Patient’s unique identification number Date of collection Time of collection (military time) Collector's Initials or code number
27
sites you should avoid when performing venipuncture
burns scars tattoos edematous patient hematoma
28
Site of breast removal
post-masectomy
29
lymphatic system is stagnant thus prone to infection
lymphostasis
30
(+) DOUBLE MASTECTOMY Capillary puncture
lymphocytosis
31
remedy for locating the vein in obese patients
use of a blood pressure cuff (not higher than 40mmHg), not be left on the arm for >1min)
32
what antiseptic is used in cleaning the site
70% isopropyl alcohol
33
motion in cleaning the site
circular outward motion
34
using correct guage will
decrease hemolysis
35
using wrong guage and the needle bore is large it will
increase the chance of hemolysis
36
how many degrees when inverting the tube
180 degrees
37
Most common injury in lab
Needle stick injury
38
complications of venipuncture
Hematoma Dizziness and vomiting Can cause nerve or arterial damage Hemolyzed blood samples
39
equipment used in capillary puncture
Safety lancets Automatic lancets Feather lancets Microtainer with capillary tube
39
sites in children where we can perform capillary puncture
lateral or medial sides of the heel fingers
40
how deep should we puncture the skin of an premature infant
< 2mm
41
best site for doing capillary puncture
3rd and 4th finger (NON DOMINANT)
41
in cap punc, warm the site with soft cloth with warm water and it should reach what temp, then how many minutes you should massage it
41 degrees celsius; 3-5mins
42
2 possible sources of specimens in capillary puncture
finger heel
42
most accessible arterial puncture site
Radial artery
43
estimation of blood gases (ABG):PH,CO2 andO2
Arterial Puncture
44
2 types of blood and their color
arterial blood - bright red venous blood - dark red
45
blood that has lower amount of oxygen
Venous blood
45
blood that contains high amount of oxygen
Arterial blood
46
What top is used for hematology
Lavender/purple top
47
What top is used for hematology
Lavender/purple top
48
Determines approves, and publishes the order of draw
clinical laboratory standards institute
49
Additive in blood culture
Broth mixture
50
Additive in pale yellow top
Acid-citrate-dextrose
51
These sites other than the forearm requires more caution and expertise in the blood collection
Femoral vein Jugular vein Scalp vein
52
Why you should not collect blood on the side with mastectomy
To reduce the risk of complications
53
Differentiate sodium heparin to lithium heparin
Sodium heparin - inactivates thrombin Lithium heparin - separates plasma in the PST tube
54
What tests are performed in sodium heparin
Ammonia level Lithium level
55
What tests are performed in lithium heparin
Chemistries

HEMATOLOGY 1 (6 decks)

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