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Medical Assistant > Lab Question > Flashcards

Lab Question Flashcards

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USMLE® Step 1 flashcards
1
Q

Red topped tubed contain?

A

no anticoagulant

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2
Q

Red topped tubed is used what what common tests?

A

CMP
Lipids

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3
Q

Red topped tubes is used for what type of use/ study?

A

Chemistry

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4
Q

Lavender contains what?

A

EDTA

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5
Q

Lavender is used for what type of testing?

A

Hematology test

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6
Q

EDTA acts as what and how does it do it?

A

Anticoagulant
Binding the calcium ions and interrupting the clotting of the blood sample.

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7
Q

Lavender topped tubes are considered

A

CBC tubes

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8
Q

Gray stopped tubes are used for ?

A

Blood glucose and blood alcohol

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9
Q

Gray stopped tubes contains

A

Potassium oxalate and sodium fluoride

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10
Q

Green stopped tubes contains

A

Heparin

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11
Q

What does Heparin do?

A

substance formed in the liver that inhibits the coagulation of blood

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12
Q

What is the color of draw?

A

Clear/ Yellow - Blood culture
Light blue - coagulation studies
Red - Chemistry
Red/gray - Chemistry
Gold (SST) - Chemistry
Green - Chemistry
Lavender - Hematology
Gray - Blood alcohol; Glucose

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13
Q

What additive is in Light blue topped tube?

A

Sodium citrate

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14
Q

What additive is in Red topped tube?

A

No anticoagulant

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15
Q

What additive is in red/gray and gold ( SST) topped tube?

A

Clot activator, gel separator

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16
Q

What additive is in Green topped tube?

A

Heparin

17
Q

What additive is in Gray topped tube?

A

Potassium oxalate, Sodium fluoride

18
Q

For Serum specimen, how long must the tube be allowed to clot before being in the centrifuge?

A

45-60mins

19
Q

Light Blue topper contains

A

Sodium citritate

20
Q

Light blur topper is used for

A

coagulation

21
Q

Red topped tube and gold (SST) are used for :

A

are used or serum testing

22
Q

Red topped tube contain:

A

has no additives

23
Q

SST - Gold / tiger) contain

A

Gel

24
Q

Green topped tube contains

A

Heparin ( sodium or lithium)

25
Q

Green topped tubes used

A

chemistry testing

26
Q

Lavender topped contains

A

EDTA

27
Q

Lavender is used for

A

Hematology and blood bank

28
Q

Gray topped contain

A

Sodium fluoride potassium oxalate
also referred as antiglycolytic agent

29
Q

Gray topped tubes are used for

A

glucose, lactic acid ( placed on ice)

30
Q

Clean catch are to be collected

A

Midstream

31
Q
A
32
Q
A
33
Q
A
34
Q
A

Medical Assistant (8 decks)

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