Specimen Collection Flashcards

1
Q

When encountering a patient with fistula, the phlebotomist should?

A

Use the other arm

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2
Q

Ideal clotting time

A

20-30 mins

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3
Q

Microsampling refers to blood collection by skin puncture and is frequently used on the following types of patients:

A
  • Infants less than 6 months
  • Young children
  • Adult with poor veins
  • Severely burned patients
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4
Q

Recommended order of drawing blood when an evacuated tube system is used?

A

Blood culture
Coagulation
Non additive
Gel separator
Other additives

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5
Q

What will be the effect on the sample if alcohol used to clean the puncture site was not allowed to completely dry?

A

Hemolysis

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6
Q

Donning

A

Gown
Mark
Goggles
Gloves

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7
Q

Blood collection tube are labeled

A

Immediately after specimen collection

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8
Q

Application of tourniquet is contraindicated when collecting samples for which analysis?

A

Lactate determination and blood gasses

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9
Q

Where is the ideal puncture site for pediatric patients?

A

Lateral of medial plantar heel surface

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10
Q

During the actual sample collection process, a sudden swelling occurs around the puncture site. What should be done?

A

Immediately remove the tourniquet and then the needle and apply first aid

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11
Q

Post analytical phase

A

Critical value reporting and turn around time

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12
Q

Most important step in phlebotomy

A

Identifying the patient

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13
Q

This anticoagulant is contraindicated in enzymes studies

A

Citrate

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14
Q

What is the proper angle of needle insertion for venipuncture?

A

15-30 degrees

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15
Q

Hemolysis may be prevented by the following EXCEPT?

A

Removal of needle before transferring collected sample on test tube

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16
Q

Specimen collected in wrong tube is an example of a/an:

A

Pre-analytical error

17
Q

Which of the following needle sizes has a bore with the widest diameter?

A

18 gauge

18
Q

During sample collection, anchoring the vein properly requires which of the following actions?

A

Place the thumb of your free hand below the vein on the puncture site

19
Q

The most common means of collecting blood for blood chemistry is by the following EXCEPT?

A

Arterial puncture

20
Q

What is the action of EDTA as an anticoagulant?

A

Forms weakly dissociated calcium component