MUST KNOW

Question 1

Blood smear from EDTA should be prepared within how many hours?

Answer 1

Two hours

Question 2

Platelet satellitism in EDTA sample occurs when platelets adheres to what WBC?

Answer 2

Neutrophils

Question 3

INCREASED EDTA will cause SHRINKAGE of cells.

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Answer 3

Therefore, will cause a decrease in HCT and ESR

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Question 4

Modified Westergren for ESR uses what color of tube?

Answer 4

Black top tupe

Question 5

Constituent used in Modified Westergren Method

(Anticoagulant and Diluent?)

Answer 5

2ml EDTA and 0.5 mL NSS/Citrate

Anticoagulant: EDTA
Diluent: Citrate

Question 6

Ratio of Anticoagulant to blood used in Black top tube for Modified Westergren method

Answer 6

1:4
Anticoagualant: Blood

Question 7

Double balanced oxalate uses what anticoagulants?

With what ratio?

Answer 7

Potassium oxalate (Paul-Heller’s): shrink cells
Ammonium oxalate (Wintrobe’s): swell cells

Ratio of 2:3

Question 8

Heparin is an anticoagulant that inactivates?

Answer 8

Thrombin

Question 9

Anticoagulant that produces Bluish Background in Romanowsky stain when used for Blood Film Preparation

Answer 9

Heparin

Question 10

Order of draw using Syringe method

Answer 10

EDTA
Other anticoagulated tubes
Nonadditive tube

Question 11

Enumerate different tubes that contain EDTA

Answer 11

Lavender
Pink
White
Royal blue
Tan

Question 12

Routine gauge for needles used in VENIPUNCTURE

Answer 12

20g

Question 13

Common length of needle used for venipuncture

Answer 13

1-1.5 inches

Question 14

Color of hub with needles having 18g?

Answer 14

Pink

Question 15

Color of hub in needles with 21g?

Answer 15

Green

Question 16

Color of hub in needles with a gauge of 22?

Answer 16

Gray

Question 17

Color of hub in needles with a gauge of 23?

Answer 17

Blue/light blue/turquoise

Question 18

Angle of needle during Venipuncture?

Answer 18

15 degree angle

Question 19

Angle of needle during blood donation?

Answer 19

45 degree (10-20 degree once in the skin)

Question 20

Tourniquet should be how far from the venipuncture site in CENTIMETERS?

Answer 20

7.5-10 CM

Question 21

BP CUFF AS TOURNIQUET SHOULD BE IN _____ MMHG

Answer 21

40-60 MMHG

Question 22

Lying down position of the patient will cause hemodilution or hemoconcentration

Answer 22

Hemodilution

Question 23

Lying up position of the patient will cause hemodilution or hemoconcentration?

Answer 23

Hemoconcentration

Question 24

A patient with IV line can still have an accurate examination of their analytes except?

Answer 24

Glucose and phosphorus

Question 25

Gower 1, an embryonic Hgb contains?

Answer 25

Zeta2 + Epsilon2

Question 26

Portland, an embryonic Hgb contains?

Answer 26

Zeta2 + Gamma2

Question 27

Gower 2, an emryonic Hgb contains?

Answer 27

Alpha2 + Epsilon2

Question 28

HbF consists of?

Answer 28

Alpha + Gamma

Question 29

HbA1 consists of?

Answer 29

Alpha + Beta

Question 30

HbA2 consists of?

Answer 30

Alpha and Gamma

Question 31

Primary source of cell production (Hematopoiesis)?

Answer 31

Bone Marrow

Question 32

Principal source of hematopoiesis in adults

Answer 32

Sternum

Question 33

Predominant Hgb in adults?

Answer 33

HbA1 (>/= 95%)

Question 34

Neonates has how many percent of HbF?

Answer 34

60-80% HbA in neonates: 20-40%

Question 35

Safest site for BM aspirate/biopsy

Answer 35

Posterior Iliac Crest

Question 36

Normal value of M:E ratio?

Answer 36

2:1 to 4:1 (Ave: 3:1)

Question 37

Numeric expression comparing the relative number of GRANULOCYTIC precursors with the relative ERYHTROID precursors in the BONE MARROW

Answer 37

M:E RATIO

Question 38

WHAT IS THE M:E RATIO IN A PATIENT WITH INFECTION?

Answer 38

6:1

Question 39

WHAT IS THE M:E RATIO IN A PATIENT WITH LEUKEMIA?

Answer 39

25:1

Question 40

IS THE PERCENTAGE OF MARROW SPACE OCCUPIED BY THE HEMATOPOIETIC CELLS COMPARED WITH FAT

Answer 40

BM CELLULARITY