(LEC) Blood Collection Flashcards

1
Q

Pre-Analytical Physiological Factors Affecting Test Results

A

(PEDDSS)
- Posture
- Exercise
- Diurnal Rhythm
- Diet
- Stress
- Smoking

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2
Q

Example of a Blood Test that requires Fasting

A

Fasting Blood Sugar

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3
Q

Example of a Blood Test that requires multiple collection

A

Oral Glucose Tolerance Test

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4
Q

Most Common Specimen used in Hematology

A

Anticoagulated Blood

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5
Q

Order of Draw of Tube Top Color

A
  1. Yellow
  2. Light Blue
  3. Red
  4. Gold
  5. Light Green
  6. Green
  7. Lavender
  8. Gray
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6
Q

Order of Draw of Tube additives

A
  1. Sodium Polyanethol Sulfonate (BC) / Acid Citrate Dextrose (PT)
  2. Sodium Citrate
  3. No Additive
  4. Gel Separator
  5. Heparin
  6. Ethylenediaminetetraacetic Acid
  7. Sodium Fluoride/Potassium Oxalate
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7
Q

Example of Blood Test that required Yellow Tube Top

A

Blood Culture

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8
Q

Example of Blood Test that required Light Blue Tube Top

A

Coagulation Tests

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9
Q

Example of Blood Test that required Gold Tube Top

A

Lipid Profile

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10
Q

Example of Blood Test that required Green Tube Top

A

Blood Chemistry

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11
Q

Example of Blood Test that required Lavender Tube Top

A

HbA1C / CBC

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12
Q

Example of Blood Test that required Gray Tube Top

A

Blood Alcohol Levels

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13
Q

Result of when tourniquet is applied for more than 1 minute

A

Hemoconcentration (increase RBC count)

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14
Q

Anticoagulants that Chelate Calcium

A
  • EDTA
  • Citrate
  • Oxalate
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15
Q

In the Plasma, Heparin binds to?

A

Antithrombin

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16
Q

This Additive is not suitable for Hematology due to it interfering with Wright’s Stain

A

Heparin

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17
Q

Antiglycolytic agent used when glucose determination is needed

A

Sodium Fluoride

18
Q

Most common needle gauge used on adults for two way needles

19
Q

Determines, approves, and publishes the “order of draw”

A

Clinical Laboratory Standards Institute

20
Q

The Clinical Laboratory Standards Institute was previously known as?

A

National Commission of Clinical Laboratory Standards

21
Q

Basic parts of a Syringe

A
  • Plunger
  • Barrel
  • Needle Hub
  • Needle
22
Q

3 Possible sources of Blood Collection

A
  1. Venous Blood
  2. Capillary Blood
  3. Arterial Blood
23
Q

Vein of Choice for blood collection

A

Medical Cubital Vein

24
Q

2nd vein of choice for blood collection

A

Cephalic Vein

25
Vein to avoid during blood collection
Basilic Vein
26
Why avoid the Basilic Vein during Blood Collection?
It is anatomically near the Brachial Artery
27
Other Blood Collection sources aside from the Antecubital Fossa
- Jugular Vein - Scalp Vein - Femoral Vein
28
Common disinfectant used
70% Isopropyl Alcohol
29
Needle angle during Venipuncture insertion
30 degrees
30
Remedy for locating a vein in Obese Patients
Use a Blood Pressure Cuff
31
How to spot a Hemolyzed Blood Sample?
The sample would have red colored Plasma due to the released Hemoglobin from the RBCs
32
Number of inversion for Yellow Tube Top
8-10x
33
Number of inversion for Green Tube Top
8-10x
34
Number of inversion for Lavender Tube Top
8-10x
35
Number of inversion for Gray Tube Top
8-10x
36
Number of inversion for White Tube Top
8-10x
37
Number of inversion for Light Blue Tube Top
3-4x
38
Number of inversion for Gold Tube Top
5x
39
Number of inversion for Plastic Red Tube Top
5x
40
After venipuncture, how long should pressure be applied on the site of collection
2-5mins
41
Most common injury in the laboratory
Needle Stick Injury
42
When and where to Label Sample Tubes
After extraction and In front of the patient