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Hematology 3rdYR 1stSem Prelims > (LEC) Blood Collection > Flashcards

(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

A

21G

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
Q

Vein to avoid during blood collection

A

Basilic Vein

26
Q

Why avoid the Basilic Vein during Blood Collection?

A

It is anatomically near the Brachial Artery

27
Q

Other Blood Collection sources aside from the Antecubital Fossa

A
  • Jugular Vein
  • Scalp Vein
  • Femoral Vein
28
Q

Common disinfectant used

A

70% Isopropyl Alcohol

29
Q

Needle angle during Venipuncture insertion

A

30 degrees

30
Q

Remedy for locating a vein in Obese Patients

A

Use a Blood Pressure Cuff

31
Q

How to spot a Hemolyzed Blood Sample?

A

The sample would have red colored Plasma due to the released Hemoglobin from the RBCs

32
Q

Number of inversion for Yellow Tube Top

A

8-10x

33
Q

Number of inversion for Green Tube Top

A

8-10x

34
Q

Number of inversion for Lavender Tube Top

A

8-10x

35
Q

Number of inversion for Gray Tube Top

A

8-10x

36
Q

Number of inversion for White Tube Top

A

8-10x

37
Q

Number of inversion for Light Blue Tube Top

A

3-4x

38
Q

Number of inversion for Gold Tube Top

A

5x

39
Q

Number of inversion for Plastic Red Tube Top

A

5x

40
Q

After venipuncture, how long should pressure be applied on the site of collection

A

2-5mins

41
Q

Most common injury in the laboratory

A

Needle Stick Injury

42
Q

When and where to Label Sample Tubes

A

After extraction and In front of the patient

Hematology 3rdYR 1stSem Prelims (4 decks)

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