specimen collection Flashcards

(50 cards)

1
Q

What are the whole blood

A

Formed elements and plasma

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2
Q

What are the formed elements

A

red blood cell
white blood cell
platelets

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3
Q

what is plasma

A
  • Liquid portion of unclotted
    blood
  • With anticoagulant
  • Contains albumin, globulin and
    fibrinogen
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4
Q

What is serum

A
  • Liquid portion of clotted blood
  • Without anticoagulant
  • Contains albumin and globulin
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5
Q

What are the advantage of ETS

A
  • eliminating the need for
    transfer of specimens a
  • minimizing the
    risk of biohazard exposure
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6
Q

Evacuated system tube inclusion

A
  • Double-pointed needle
  • Needle holder
  • Color-coded evacuated tubes
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7
Q

refers to the diameter
of the needle bore

A

needle gauge

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8
Q

Needle parts of ETS

A
  • point
  • bevel
  • shaft
  • hub
  • stopper-puncturing end
  • sleeve / rubber sleeve
  • point
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9
Q

Needle parts of syringe

A
  • point
  • bevel
  • shaft
  • hub
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10
Q

made of rigid plastic and may be designed to act as a safety shield for the used needle.

A

needle holder

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11
Q

Who directed that holders must be discarded with the used needle.

A

OSHA - Occupational Safety and Health Administration

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12
Q

To protect phlebotomists from
accidental needlesticks by
contaminated needle

A

NEEDLE DISPOSAL SYSTEMS

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13
Q

characteristics of needle disposal

A

Rigid
puncture-resistant
leak-proof disposable “sharps”
containers labeled BIOHAZARD

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14
Q

also known as Vacutainers

A

evacuated tubes

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15
Q

also known as Vacutainers made of

A

glass or plastics

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16
Q

Contain a premeasured amount of vacuum
for blood collection

A

evacuated tube

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17
Q

Amount of blood in evacuated tube ranges from

A

1.8-15 mL

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18
Q

Routinely used for venipuncture

A

syringe

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19
Q

volume of syringe ranges from

A

2-20 mL

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20
Q

For drawing blood from patients with
small or fragile veins.

A

venipuncture

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21
Q

Parts of syringe

A

plunger
barrel
plain tip
needle hub
needle
bevel
shaft
point

22
Q

for performing venipuncture from
very small or very fragile veins
often seen in children and in the
geriatric population

A

winged blood collection set or butterfly needle

23
Q

Venipuncture Equipments:

A
  • Tourniquets
  • Vein locating devices
  • 70% isopropyl alcohol, iodine
    swabs
  • 2x2 inch gauze pads
  • Bandage or adhesive tape
  • Phlebotomy collection tray
  • Slides
  • Antimicrobial hand gel
  • Marking pen
24
Q

This can be
worn under latex gloves for
persons that develop an
allergic dermatitis to gloves

A

Cotton gloves liner

25
Types of gloves
- powdered - powdered free - latex - non-latex (vinyl, nitrile, neoprene, polyethylene)
26
locate veins that are not easily visible
vein location device
27
example of vein locating device
- Venescope II - Neonatal Transilluminator
28
Requisition is via
- thru phone - doctor's requisition
29
Greeting the patient
- sleeping patient - unconscious patient - psychiatric unit - unavailable patient - physician, clergy, visitor
30
information to identify the patient in requisition form
- Patient’s name, age and gender - Patient’s date of birth - Patient’s location - Ordering health-care provider’s name - Tests requested - Requested date and time of sample collection
31
The most important procedure in phlebotomy
Patient Identification
32
Ideal time
basal state
33
Positioning the Patient
supine or sitting upright position
34
Position of the Phlebotomist
remains in the standing position
35
Tourniquet application
1 minute to avoid hemoconcentration
36
- The preferred site for venipuncture and is located anterior and below the bend of the elbow.
Antecubital fossa
37
vein of choice because it is large and does not tend to move when the needle is inserted
Median cubital vein-
38
the least firmly anchored
Basilic vein
39
usually more difficult to locate, except possibly in larger patients, and has more tendencies to move.
Cephalic vein
40
has a tendency to “roll” and hematoma formation is more likely to occur.
Basilic vein
41
Arrangement of veins in the antecubital fossa
H-shaped pattern M-shaped patternm
42
H shaped pattern includes
- includes the cephalic, median cubital, and basilic veins in a pattern that looks like a slanted H
43
M shaped pattern includes
Includes the cephalic, median cephalic, median basilic, and basilic veins
44
Areas to Be Avoided
* Damaged Vein * Hematoma * Edema * Burns, Scars and Tattoos * Mastectomy * Obesity * IV Therapy * Heparin and Saline Locks * Cannulas and Fistulas
45
Cleansing the site
Cleansing is performed with a circular motion, starting at the inside of the venipuncture site and working outward in widening concentric circles about 2 to 3 inches.
46
Anchoring the Vein
-Place the thumb 1 or 2 inches below and slightly to the left of the insertion site and the four fingers on the back of the arm and pull the skin taut.
47
Labeling the tubes
- Patient’s name and identification number - Age and Gender of the Patient - Date and time of collection - Phlebotomist’s initials
48
After Care of Patient
* Bandaging the patient’s arm * Compartment Syndrome * Accidental Arterial Puncture * Allergy to Adhesives * Infection
49
Reasons for sample rejection:
* Unlabeled or mislabeled samples * Inadequate volume * Collection in the wrong tube * Hemolysis * Lipemia * Clotted blood in an anticoagulant tube * Improper handling during transport, such as not chilling the sample * Samples without a requisition form * Contaminated sample containers * Delays in processing the sample * Use of outdated blood collection tubes
50
Never draw out the needle without removing first the tourniquet to avoid
hematoma