specimen collection Flashcards

1
Q

Never draw out the syringe without removing first the tourniquet to avoid __

A

hematoma

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2
Q

Avoid prolonged application of tourniquet to avoid __

A

hemoconcentration

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3
Q

Do not extract blood from patients while they are receiving intravenous medication because these solutions may influence the __.

A

chemical analysis

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4
Q

Blood specimens obtained must be placed in appropriate containers for each specific test. The blood specimen collected with anticoagulants must be well mixed to prevent __

A

coagulation

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5
Q

collection priorities

A

routine samples
asap samples
stat samples

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6
Q

have the highest priority and are usually ordered from the emergency department

A

stat tests

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7
Q

are usually collected early in the morning but can be collected throughout the day during scheduled “sweeps” (collection times) on the floors or from outpatients

A

routine samples

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8
Q

-means “as soon as possible.” The response time for the collection of this test sample is determined by each hospital or clinic and may vary by laboratory tests.

A

ASAP

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9
Q

sample is to be collected, analyzed, and results reported immediately.

A

STAT

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10
Q

npo (non per orem); “nothing by mouth”

A

fasting sample

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11
Q

examples of timed samples

A

Glucose Tolerance Tests
2-Hour Oral Glucose Tolerance Test
Lactose Tolerance Test

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12
Q

what are the type of samples

A

fasting samples
timed samples
blood culture

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13
Q

composition of whole blood

A

Liquid portion of unclotted blood
With anticoagulant
Contains albumin, globulin and fibrinogen

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14
Q

The first step in learning to perform a venipuncture is knowledge of the __

A

needed equipment

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15
Q

advantage of evacuated tube system

A

Blood is collected directly into the evacuated tube, eliminating the need for transfer of specimens and minimizing the risk of biohazard exposure

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16
Q

ETS includes

A

Double-pointed needle
Needle holder
Color-coded evacuated tubes

17
Q

refers to the diameter of the needle bore

A

needle gauge

18
Q

Sharpened end of the needle

A

point

19
Q

The end of the shaft that forms a flat, slanted surface

A

bevel

20
Q

the hollow core of the needle/opening

A

bore/lumen

21
Q

the long slender stem of the needle

A

shaft

22
Q

where the needle is attached

A

hub

23
Q

for 2 way needle. Where the tube is punctured

A

rubber sleeve

24
Q

Needle Size for Veni:

A

1-inch and 1.5-inch lengths are used

25
Q

uses a shield that the phlebotomist locks over the needle tip after completion of the venipuncture

A

Eclipse blood collection needle (Becton, Dickinson, Franklin Lakes, NJ)

26
Q

made of rigid plastic and may be designed to act as a safety shield for the used needle

A

needle holdrs

27
Q

___directs that holders must be discarded with the used needle.

A

Occupational Safety and Health Administration (OSHA)

28
Q

NEEDLE DISPOSAL SYSTEMS
criteria

A

Rigid, puncture-resistant, leak-proof disposable “sharps” containers labeled BIOHAZARD that are easily sealed and locked when full.

29
Q
  • also known as Vacutainers and are available in glass and plastic.
A

evacuated tubes

30
Q

Contain a premeasured amount of vacuum for blood collection

A

evacuated tubes

31
Q

The amount of blood collected in an evacuated tube ranges from __ mL and is determined by the size of the tube and the amount of vacuum present.

A

1.8 to 15

32
Q

The advantage of this system is that the phlebotomist is able to control the suction pressure on the vein by slowly withdrawing the syringe plunger.

A

syrnge

33
Q

For drawing blood from patients with small or fragile veins

A

syringe

34
Q

Routinely used for venipuncture range from 2 to 20 mL

A

syringe

35
Q

for performing venipuncture from very small or very fragile veins often seen in children and in the geriatric population

A

winged blood collection set

36
Q

The primary antiseptic used for cleansing the skin in routine phlebotomy is ___

A

70 percent isopropyl alcohol.

37
Q

For collections that require additional sterility, such as blood cultures and arterial punctures, the stronger antiseptics such as___(for patients allergic to iodine) are used to cleanse the area

A

iodine or chlorhexidine gluconate

38
Q

. __ tape should be used for persons who are allergic to adhesive bandages.

A

Latex-free

39
Q
A