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PMLS 2 > Capillary Puncture > Flashcards

Capillary Puncture Flashcards

1
Q

The process of obtaining blood by puncturing or making an incision in the capillary bed in the dermal layer of the skin with a lancet or other sharp device.

A

CAPILLARY PUNCTURE

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2
Q

CAPILLARY PUNCTURE also called as

A

Dermal puncture
Skin puncture

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3
Q

Capillary EQUIPMENTS

A

Lancets or incision devices
Microcollection containers
Microhematocrit tubes
Sealants
Warming devices
Capillary blood gas equipment
Microscope slides

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4
Q

A sterile, disposable, sharp-pointed or bladed instrument

A

LANCETS

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5
Q

Used to puncture the skin to obtain capillary blood

A

LANCETS

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6
Q

Special small plastic tubes used to collect tiny amounts of blood

A

MICROCOLLECTION CONTAINERS

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7
Q

Microcollect: Markings for maximum and minimum full (____ to ____ uL)

A

250- 500 uL

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8
Q

Disposable, narrow-bored plastic or plastic-clad glass

A

MICROHEMATOCRIT TUBES

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9
Q

MICROHEMATOCRIT TUBES: Can hold ___ to ___ uL of blood

A

50-75 uL

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10
Q

MICROHEMATOCRIT TUBES
Red and green

A

Heparinized

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11
Q

MICROHEMATOCRIT TUBES
Blue

A

No additives

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12
Q

For sealing capillary tubes
Plastic or clay placed in small trays

A

SEALANTS

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13
Q

Warms the site to increase blood flow

A

WARMING DEVICES

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14
Q

Warming device temperature

A

<42 degrees C

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15
Q

Alternative to warming device

A

Towel or diaper damped with warm water

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16
Q

To collect capillary blood gas specimens

A

CAPILLARY BLOOD GAS EQUIPMENT

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17
Q

used to evaluate acid and base.

A

CAPILLARY BLOOD GAS EQUIPMENT

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18
Q

Capillary Blood Gas Equipment
CBG collection tubes
___mm to ___ uL

A

100mm-100ul

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19
Q

small metal bars

A

Stirrers

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20
Q

to prevent exposure and air.
Used to mix the sample

A

Magnet

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21
Q

used to seal the CBG tubes
Maintain the anaerobic environment

A

Plastic caps

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22
Q

CAPILLARY BLOOD COMPOSITION

A

Arterial, Venous, and Capillary

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23
Q

Arterial blood - HIGHER THAN IN VENOUS IS

A

GLUCOSE

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24
Q

Venous blood
____, ____, and ______ARE LOWER IN CAPPILLARY SPECIMEN

A

TOTAL PROTEIN, CALCIUM AND POTASSIUM

25
Q

After receiving the sample, inform the one who performs the test by indicating if it is a _________ or ________

A

capillary blood or a venous blood

26
Q

INDICATORS FOR ADULTS

A

Veins are fragile or must be saved for other procedures
Thrombotic
Intense fear of needles
No accessible veins (Ex. edematous)
POCT (Point of Care) procedures

27
Q

INDICATIONS FOR INFANTS AND
YOUNG CHILDREN

A

Due to low total blood volume
Venipuncture may damage veins
Capillary blood is the specimen preferred

28
Q

CONTRAINDICATIONS

DO NOT PERFORM (Tests)

A

ESR (Erythrocyte sedimentation rate)
Coagulation studies
PT (Prothrombin Time)
APTT (Activated Partial Thromboplastin Time)
Blood cultures

29
Q

Blood cultures
As much as ___ mL of blood

A

60 mL

30
Q

Perform venipuncture if

A

Dehydrated
Poor circulation

31
Q

ORDER OF DRAW

A

Blood gas specimens
EDTA specimens
Other additive specimens
Serum Specimen

32
Q

Finger puncture

A

Placed on a firm surface
Hand extended and palm up (4 fingers)

33
Q

Heel puncture

A

Infant should be supine
Foot lower than the torso

34
Q

If the puncture site is _____\, it is a sign you’ll be able to collect enough volumes.

A

warm

35
Q

Puncture site should be

A

it should be pink not purple.
Must be free from scars, bruises and rashes
Not edematous

36
Q

Warming the site is how long?

A

3-5mins

37
Q

Warming the site is best applied in

A

Heel stick procedure

38
Q

Do not puncture at the ____ of the finger/heel

A

center

39
Q

Puncture __________ to the fingerprint

A

perpendicular

40
Q

first blood drop contains

A

It contains a lot of tissue fluid
It may contain alcohol residue

41
Q

_______ will help stop the bleeding faster

A

Elevation

42
Q

(stored in cold temperature)

A

Ammonia and CBG

43
Q

(stored in warm temperature)

A

Cold agglutinins

44
Q

(stored away from light)

A

Bilirubin

45
Q

If bleeding persists after 15 minutes….

A

notify the physician or nurse on duty

46
Q

Apply bandage when

A

Bleeding has stopped

47
Q

Mandated testing for the newborns

A

NEWBORN SCREENING

48
Q

NEWBORN SCREENING:
Detects presence of

A

DISORDERS:
Genetic
Metabolic
Hormonal
Functional

49
Q

An inherited condition
Means “Glucose 6-Phosphate dehydrogenase”

A

G6-PD

50
Q

G6-PD means

A

“Glucose 6-Phosphate dehydrogenase”

51
Q

An enzyme
Helps blood work properly

A

G6-PD

52
Q

means: RBCs break down a lot faster than they are made.

A

hemolytic anemia

53
Q

deficiency in an enzyme that breaks down phenylalanine.

A

Phenylketonuria

54
Q

This enzyme is important to convert phenylalanine to tyrosine

A

Phenylketonuria

55
Q

Insufficient levels of thyroid hormones

A

Hypothyroidism

56
Q

Lack of enzymes from galactose into glucose

A

Galactosemia

57
Q

Mutations in the gene that would direct the protein responsible for regulating the transport of chloride across cell membranes.

A

Cystic Fibrosis

58
Q

A problem with electrolyte channels and individual cells

A

Cystic Fibrosis

PMLS 2 (15 decks)

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