PRE LAB ACT 3 AND 4

Question 1

WHAT IS THE SIZE OF A GOOD SMEAR

Answer 1

2/3 or 3/4 of the slide

Question 2

WHAT IS THE SIZE OF A GOOD SMEAR

Answer 2

2/3 or 3/4 of the slide

Question 3

shape of a good smear

Answer 3

finger shaped with a slightly rounded at the feather edge

Question 4

is a smooth witout irregulatities, holes and streak a good smear

Answer 4

yes

Question 5

what is the appearance of the feather edge of the film

Answer 5

rainbow

Question 6

fixations in order

Answer 6

methanol-eosin-methylene-water

Question 7

what is the fizative in fixation

Answer 7

methanol

Question 8

what is the negatively charge chemical in fixation

Answer 8

eosin

Question 9

positively charged stain

Answer 9

Methylene

Question 10

other name for spreader slide method

Answer 10

2 glass method

Question 11

size of a slide

Answer 11

75 mm by 25 mm

Question 12

angle of the spreader to the slide

Answer 12

30-45*

Question 13

what is the diameter of the drop of blood

Answer 13

2-3mm

Question 14

what does PASS stands for

Answer 14

Pressure, Angle, Speed, Size of blood

Question 15

high hematocrit is indicative of

Answer 15

polycythemia

Question 16

high hct increase or decrease

Answer 16

increase

Question 17

what is seen on LPO

Answer 17

fibrin strand

Question 18

what is fibrin strand

Answer 18

presence of coagulation

Question 19

magnifiction of lpo,hpo,oio

Answer 19

10x,40x,100x

Question 20

anticoagulant in lpo

Answer 20

EDTA

Question 21

what is being viewed on hpo

Answer 21

wbc estimate

Question 22

what magnification is roleaux formation observed

Answer 22

HPO

Question 23

WHERE will you count for the platelet

Answer 23

in an area where RBCs has few overlapping

Question 24

how many immersion fields are counted

Answer 24

10

Question 25

what is the standard factor in plt estimation

Answer 25

20,000

Question 26

result if there is 8-20 OIF

Answer 26

adequate plt ct.

Question 27

what is the volume correction factor

Answer 27

XI.I

Question 28

0<5/oif

Answer 28

expect lower plt count

Question 29

result if >20/oif

Answer 29

expect higher plt ct.

Question 30

this is the clumping of plt around wbc

Answer 30

plt satellitism

Question 31

needle length in bleeding time

Answer 31

2mm

Question 32

standard pressure in bleeding time

Answer 32

40 mmHg

Question 33

bleeding time is the screening test for

Answer 33

1. vascular disorder 2. plt fxn defect 3. detects problem in primary hemostasis

Question 34

Plt adhesion is affected by

Answer 34

Calcium, ADP , fibrinogen

Question 35

What activates plt

Answer 35

Thromboxane A2

Question 36

What does cyclooxygenase activate

Answer 36

Thromboxane A2

Question 37

Aspirin activates

Answer 37

Cyclooxygenase

Question 38

Puncture is done on the earlobe

Answer 38

Duke method

Question 39

Reference value for duke method

Answer 39

1-3 mins

Question 40

Duke method is ideally for

Answer 40

Infants

Question 41

What method is done on the forearm

Answer 41

Ivy method

Question 42

Reference value for ivy mtd

Answer 42

1-7 mins

Question 43

Uses template containing standardized slit

Answer 43

Template BT

Question 44

Size of template BT

Answer 44

11 mm long, 1 mm deep

Question 45

What are the blood thinners that affects IVy

Answer 45

Heparin, caumadin

Question 46

Average of platelet

Answer 46

8-20 platelets