FINAL Flashcards

0
Q

liquid portion of blood after clotting fibrigen within clot

A

seum

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1
Q

liquid portion w/o cells after being spun down w anti coag

A

plasma

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2
Q

primary function of anticoag sodium fluoride

A

inhibit glycolysis

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3
Q

state anticoag
1 hematology
2 coag
3 chemistry

A

1 EDTA
2 sodium citrate
3 heparin

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4
Q

why not freeze blood

A

RBCs will hemolyze

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5
Q

2 reason patients placed in isolation

A

1 protect staff visitors other patients from patient

2 to patient from others

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6
Q

How EDTA prevent clotting

A

by binding or chelting calcium

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7
Q

how heparin prevent clotting

A

inhibits conversion of prothrombin to thrombin

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8
Q

1sites for capillary punture
2 NOT capillary punture this
3 preferred area of finger

A

1 middle or ring finger
2 earlobe
3 perpendicular to fingerprint

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9
Q

collection of blood under skin from poor venipuncture may cause

2 things this causes

A

hematoma

pushing through the vein
partially inserting needle in vein

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10
Q

purpose of removing tube from needle prior to vein

A

release vacuum on tube

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11
Q

consequences of pushing tube onto needle before vein

A

blow vacuum on tube

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12
Q

what do clot activators do

name 4 ex

A

enhance coaug

siliceous earth
glass
sillca
thrombin

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13
Q

why does order of draw exist

A

avoid cross contamination

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14
Q

sclerosed vein feels

do u use

A

hard cordlike

no

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15
Q

excess fluid in tissue swelling

A

edema

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16
Q

connection of artery and vein

why important to consider when deciding venipuncture

A

fistula

used for dialysis and can’t used on arm this was done

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17
Q

slanted needle tip

abnormalities in them 2

A

bevel

bent tip spurs

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18
Q

why are therapeutic drug monitoring tests often timed collect testing

A

monitor different times
max drug effectiveness to prevent toxicity
metabolize drugs at different rate

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19
Q

anatomical term for the heel bone

A

calcaneus

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20
Q

skin puncture blood most closely resemble

A

arterial blood

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21
Q

why routine or strict isolation used

PPE used

A

prevent spread communicable diseases

gowns mask gloves

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22
Q

purpose of protective or reverse isloation

patients of this type isolation recommended cause

PPE

A

protect patient from being infected

anyone immunosuppressed or compromised

gown mask gloves head and shoes booties

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23
Q

abnormal retraction of blood vessel wall causes

A

vein collapse

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24
Q

most important thing before perfoming any specimen collection

A

id patient

25
Q

what do of patient refuses collection

A

let nurse or doc know AND DOCUMENT

26
Q

alcohol should dry before inserting needle cause

A

discomfort

27
Q

specimens should be labeled where when

A

on tube immediately, drawn from w/ patient in sight ,before transporting anywhere

28
Q

3 places bevel NOT allow blood specimen

A

1 all the way through vein
2against vein wall
3partially in

29
Q

techniques for transferring blood from syringe into tubes (2)

A

transfer device

popping top of collection tube pushing blood in

30
Q

proper puncture site on infants heel

A

lateral or medial area planter surface

31
Q

red stopper tube spun down yields

A

serum clotted red cells

32
Q

how prepare collection site for blood cultures

why important to take extra steps

A

clean bottle w betadine, sterile site, air dry

prevent contamination of culture

33
Q

highest concentration of drug during dosing interval is called

A

peak

34
Q

explain glucose tolerance test

A

specimen drawn after fasting 8-12 hrs paTIENT DRINK GLUCOSE SOLUTION DRaw 1 hr intervals u to 5 hrs

35
Q

does order of draw change depending on collection

A

no

36
Q

why warm site before puncture

A

increase blood flow

37
Q

why control depth of lancet in skin in puncture

A

don’t puncture bone

cause excessive blood

38
Q

1st step doing skin puncture to eliminate tissue fluid contamination

A

wipe away 1st drop

39
Q

consequence of mixing tube too vigorously

A

hemolysis

40
Q

drawing from child steps taKEN

what no to do

A

gain trust talk terms they understand be reassuring and patient

never say it won’t hurt

41
Q

why not pump fist prior to puncture

A

hemoconcentration

42
Q

most critical error a phlebotomist can make

A

misidentify patient or patient specimans

43
Q

what indicator lets in know syringe in vein

A

flash

44
Q

longest time tourniquet should be tied on arm

A

1 mintue

45
Q

percent alcohol prep pads for cleaning puncture

A

70%

46
Q

2 coag tests

color

anticoagulant

A

PT PTT

blue

sodium citrate

47
Q

what to do patient no ID band but not conscious

A

have nurse add one

48
Q

how handle Q from patient about tests and what they mean

A

brief refer to doc or nurse

49
Q

do u draw from above IV site and why

whaT do if patient has multiple IV

A

no interfere results

have nurse turn off IV

50
Q

why mix anticoag tubes

A

even disturbtion to prevent micro clot formation

51
Q

smallest bore needle

largest

A

25

18

52
Q

small veins collapse when what occurs (2)

A

draw to quickly to much vaccum pressure

syringe plunger to fast

53
Q

indication of artery blood and not vein

A

bright red blood pulsing into tube

54
Q

1 cause of hemoconcentration in venipuncture

A

prolonged turnquit

55
Q

can u drink water ? coffe? smoke? before fasting sample drawn

A

yes no no

56
Q

colors of specimens

1normal serum 
2normal plasma
3hemolyzed serum
4icteric serum
5lipemic
A
1straw or pale yellow
2 slight opaque
3 clear red
4 brownish
5 milky
57
Q
color stopper for following tube
heparin
no additive
EDTA
sodium citrate
A

1 dark green
2 red
3 lavender
4 blue

58
Q

color stopper

silicon serum separtion material
sodium fluoride
SPS

A

1 red-gray or gold
2 light gray
yellow

59
Q

Order of Draw first 4 colors for 3

A

blood culture - yellow or yellow black top

coagulation -light blue top

non-additive -red top

additive

60
Q

Order of draw additive tubes and colors 6

A
1 SST red-gray or gold
2 sodium heparin dark green
3 PST light green
4 EDTA lavender
5 ACDA or ACDB pale yellow
6 oxalate/fluoride light gray