😡😡 Flashcards

1
Q

How many times should tubes with additives be inverted after collection?

A

5 to 10

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2
Q

According to CLSI, what is the maximum amount of time that may be allowed to elapsed between collection of a blood sample and separation of cells from plasma or serum?

A

24 hours

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3
Q

What is the maximum amount of time a glucose samples collected in a gray top tube can be held at room temperature without loss of

A

24 hours

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4
Q

Which of the following is the term for metabolic breakdown of sugar within

A

Glycolysis

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5
Q

Which of the following test is most affected by glycolysis in the tube after collection?

A

Glucose

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6
Q

Whole blood specimens collected, and EDTA are stable for how long

A

24 hours

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7
Q

Blood smears from EDTA specimens must be made within what time period after collection to prevent distortion of cell morphology

A

One hour

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8
Q

Which of the following problems with a blood sample may be caused by extremes of temperature

A

Hemolysis

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9
Q

And Analyte needs to be protected from life, but you do not have any amber to what is another way to protect the specimen

A

Cover the specimen with aluminum foil

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10
Q

Smaller portions of a specimen transferred into separate containers are called

A

Aliquots

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11
Q

A unique identifying number used for cataloging samples in the laboratory, referred to as what kind of number

A

Accession

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12
Q

A small centrifuge head has 12 spot labeled in a man or similar to a clock face. There are three tubes of equal volume that need to be centrifuged in which of the following choices for tube placement with a centrifuge be balanced.

A

159

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13
Q

What is the major safety risk and removing blood stoppers from blood collection tubes?

A

Aerosols

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14
Q

Before dividing a 24 hour urine samples into aliquots what must be done with the first sample

A

Measure and record the volume of the sample

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15
Q

What notation is used to indicate that the sample volume is insufficient for

A

QNS

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16
Q

Which of the following is an acceptable sample for laboratory testing

A

A cold agglutinin  transported at 37 Celsius

17
Q

If the stopper is removed from a tube before centrifugation, what effect will this have on the carbon dioxide and pH levels in the sample?

A

 A decrease in CO2 an increase in pH

18
Q

Which of the following tubes can be centrifuged immediately after collection?

A

Heparin tube

19
Q

What regulations must be adhere to when samples are being transported from an outside laboratory

A

State and federal

20
Q

What is the correct better for recording specimen, volume of preparing an aliquot

A

Write the volume on the aliquot sample container

21
Q

What specimen would not be requirements and is likely to be rejected from the laboratory?

A

A urine specimen for CNS collected in a clear container

22
Q

Phlebotomist had difficulty giving an EDT a tube for a CBC and said rate to underfill tubes were collected the Phlebotomist sho

A

Reject at bedside and redraw the patient