other blood experiments - phyana lab Flashcards Preview

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Flashcards in other blood experiments - phyana lab Deck (26):
1

normal clotting time

3-6 min

2

method used in bleeding time

duke's method

3

volume of packed red cells after blood centrifugation

hematocrit

4

hematocrit also known as

PCV packed cell volume

5

measure of proportion of red cells to plasma in peripheral blood but not entire circulation

hematocrit

6

pigment in rnc that has affinity with oxygen

hemoglobin

7

the darker the color of the sample

the higher hemoglobin count

8

used in counting cellular elements of blood

hemacytometer

9

one type of counting chamber used in hemacytometry

neubauer improved counting chamber

10

how many primary square are in neubauer

1

11

how many secondary squares in neubauer

9

12

TOTAL number of smaller squares in central secondary sqaure

400

13

gives the relative proportion of leukocyte types

differential WBC count

14

increased in chronic infection

basophil and monocytes

15

acute infection

neutrophil

16

antibody reaction

lymphocytes

17

allergic reaction

eosinophil/

18

why discard drops

to push downwards the mixed solution

19

time it takes for a puncture wound to stop bleeding

bleeding time

20

bleeding time normal value

1-3 min

21

bleeding time depends upon the

depth of wound
degree of hyperemia

22

how does one develop Rh antiboides

when an Rh - is exposed to an Rh+ positive

23

importance of determining clotting time

assessing risk of excessive bleeding

24

liquid portion of blood that has no fibrinogen

serum

25

what indicates clotting time

Appearance of fibrin that goes with lancet

26

what must be done before putting blood sample on the slide (not for clotting time)

disinfect ring finger
wipe off first drop of blood

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