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Botany > CC Lec - Specimen > Flashcards

CC Lec - Specimen Flashcards

1
Q

3 sources of blood

A

capillary puncture
venipuncture
arterial puncture

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2
Q

best method of blood collection for newborns and babies

A

capillary or skin punc

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3
Q

method of blood collection seldom used for aged individuals

A

capillary or skin punc

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4
Q

method of blood collection wherein sx usually used for chemistry analysis

A

venipuncture

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5
Q

sites of puncture in venipuncture

A

basilic vein
cephalic vein
median vein

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6
Q

vein for venipuncture pointed toward the body

A

basilic vein

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7
Q

vein for venipuncture pointed away the body

A

cephalic vein

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8
Q

used in the analysis if pO2, pCO2, blood pH

A

arterial blood

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9
Q

method of blood collection not done by ordinary RMTs

A

arterial puncture

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10
Q

sites of arterial puncture

A

brachial, femoral, radial artery

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11
Q

how to label specimen

A

last name, first name, MI

specimen or patient no.

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12
Q

when to label specimen

A

after collection/filling up the tube

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13
Q

number 1 reason of specimen rejection

A

hemolysis

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14
Q

in serum what ions are abundant

A

Na and Cl

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15
Q

inside cell what ions are abundant (and their ratios)

A

K (20:1)

Mg (10:1)

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16
Q

hemolysis of RBC leads to

A

false elevation of analyte concentration

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17
Q

straw colored yellow fluid

A

serum

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18
Q

liquid portion of clotted blood

A

serum

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19
Q

temperature of blood for test of CK

A

cold temp

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20
Q

temperature of Sx for LD

A

room temp

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21
Q

reasons of rejection

A

questionable labelling
hemolysis
QNS

22
Q

Substance added to blood to prevent clotting

A

Anticoagulant

23
Q

mechanism of action of anticoagulant

A

1) can precipitate, bind, complex Ca thus Ca is removed

2) by acting as antithrombin

24
Q

stages of clotting process

A

generation of thromboplastin
conversion of prothrombin to thrombin
conversion of fibrinogen to fibrin clot

25
Q

Ca dependent stage of clotting process

A

generation of thromboplastin

26
Q

Thromboplastin dependent stage of clotting process

A

conversion of prothrombin to thrombin

27
Q

thrombin dependent stage of clotting process

A

conversion of fibrinogen to fibrin clot

28
Q

gray stoppered tube consists of what chemicals

A

NaF

Iodoacetate

29
Q

antiglycolytic tube

A

gray

30
Q

antiglycolytic agent inhibits enolase

A

NaF

31
Q

antiglycolytic agent inhibits glyceraldehyde-3-phosphate-dehydrogenase

A

Iodoacetate

32
Q

substance in green top

A

heparin

33
Q

natural anticoagulant best for preventing clotting of arterial blood

A

heparin

34
Q

brand names of edta

A

versene, sequestrene

35
Q

anticoagulant important for HbA1c measurement

A

EDTA

36
Q

Most common tube used in Chemistry

A

red top

37
Q

yellow tube contains

A

SPS (sodium polyanethol sulfonate

38
Q

tube/top used for blood culture

A

yellow top

39
Q

top w/c contains thrombin, used in hematology

A

orange

40
Q

top w/o anticoagulant but with separator gel

A

marbled top/red/gray top

41
Q

contains citrate

A

blue top

42
Q

top/tube best for blood units used in transfusion

A

blue top

43
Q

order of draw in chemistry

A

YRB Green Lavender Gray

44
Q

order of draw in coagulation

A

YBR Green Lavender Gray

45
Q

gauge number of needle in arterial puncture

A

gauge 18

46
Q

color rgt for glucose

A

orthotoluidine

47
Q

color rgt for urea

A

diacetylmonoxide

48
Q

color rgt for protein

A

alkaline copper tartrate

49
Q

color rgt for creatinine

A

alkaline picrate

50
Q

color rgt for cholesterol

A

acetic anhydride sulfuric acid

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