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Flashcards in Chapter 1 (Monthly) Deck (114)
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1

Study of formed elements of blood and blood forming tissues

Hematology

2

worms in blood

Athanasius Kircher

3

describes blood as composite of 4 humours

Hippocrates

4

platelet as “petites plaque”

Giulio Bizzozero

5

account of RBCs

Anton van Leeuwenhoek

6

published the 1st quantitative results of blood cell analysis

Karl Vierordt

7

develop Wrights stain
Improvements in the methods of blood examination

James Homer

8

Blood is _____ of total body weight

6-8%

9

Blood is approximately __ liters

5

10

CBC will include 5 parameters:

RBC count
WBC count
differential WBC count
hemoglobin determination
hematocrit determination

11

if manual CBC what should be done

all 5 parameters should be done

12

if automated, machine wil give you the results for _____

CBC will include five parameters
platelet count
blood cell indices

13

blood cell indices

- MCV (mean cell/corpuscular volume),
- MCHC (mean cell hemoglobin concentration),
- MCH (mean cell Hb)
- RDW

14

when diagnosis cannot be done by means of lab test, ________ will be done

bone marrow aspiration

15

Fragments of megakaryocytes

platelets

16

normal platelet count

150-400k per mm3 blood

17

time for blood components to separate w centrifuge

3-5 mins

18

thick Buffy coat means there is a ________

problem

19

_____ is from clotted blood, has no clotting factors (used up in the clotting process)

Serum

20

______ is from anticoagulated blood, has clotting factors

Plasma

21

Makes up about 55% of blood’s volume

Plasma

22

91% of plasma

water

23

7% of plasma

blood proteins

24

2% of plasma

nutrients and electrolytes

25

Makes up about 45% of blood’s volume

cellular components of blood

26

normal WBC count

7000-9000 mm3 blood

27

normal RBC count

5M mm3 blood

28

Unclotted portion of blood

plasma

29

Appearance of plasma

Pale Yellow fluid

30

Components of plasma

Water
Proteins
Other substances