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Which of the following tubes should be drawn first?


A) Blood culture tubes
B) Lavender
C) Light blue
D) Red

Correct Answer

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What is the term for the hollow tube inside a needle's shaft?


A) Bevel
B) Gauge
C) Hub
D) Lumen

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Which anticoagulant is used for coagulation studies?


A) EDTA
B) Heparin
C) SPS
D) Sodium citrate

Correct Answer

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The anticoagulant EDTA works by binding which substance needed for blood clotting?


A) Calcium
B) Iron
C) Magnesium
D) Potassium

Correct Answer

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Which of the following tubes should be drawn first?


A) Green
B) Lavender
C) Gray
D) Red

Correct Answer

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What color vacuum tube should be drawn for trace metal analysis?


A) Pink
B) Red
C) Royal blue
D) Yellow

Correct Answer

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Which of the following actions is the first that should be taken immediately after withdrawing the needle from the patient?


A) Apply pressure to the puncture site.
B) Place an adhesive bandage on the puncture site.
C) Take off the tourniquet.
D) Wash your hands.

Correct Answer

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Which of the following is the most common size of butterfly needle?


A) 16 gauge
B) 18 gauge
C) 23 gauge
D) 26 gauge

Correct Answer

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C

Which of the following is the most commonly used antiseptic for routine blood draws?


A) Betadine
B) Bleach
C) Isopropyl alcohol
D) Zephiran chloride

Correct Answer

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What color tube should be collected for coagulation studies?


A) Green
B) Lavender
C) Light blue
D) Red

Correct Answer

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A tube containing thixotropic gel could be used to collect blood for which of the following tests?


A) CBC
B) Coagulation testing
C) Chemistry screen
D) Blood cultures

Correct Answer

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Which of the following tubes should be drawn first?


A) Green
B) Lavender
C) Light blue
D) Red

Correct Answer

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For maximum effectiveness, an antiseptic should be left in contact with the skin for how long?


A) 5 to 15 seconds
B) 15 to 30 seconds
C) 30 to 60 seconds
D) 2 minutes

Correct Answer

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C

What does the term multisample needle mean?


A) The needle can be used more than once on different patients.
B) The needle can be used more than once, as long as it is on the same patient.
C) The needle has a retractable rubber sleeve that covers one end of the needle when a blood collecting tube is not attached.
D) The needle can be left in place in a vein to use in future collections.

Correct Answer

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What color tube should be collected for a CBC?


A) Green
B) Lavender
C) Light blue
D) Red

Correct Answer

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Which of the following is the only tube that does not need to be inverted to mix after drawing?


A) Green
B) Lavender
C) Red glass
D) Red plastic

Correct Answer

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Which anticoagulant is used for blood gas determinations?


A) EDTA
B) Heparin
C) SPS
D) Sodium citrate

Correct Answer

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What is another term for "infection"?


A) Antiseptic
B) Bacteriostatic
C) Disinfectant
D) Sepsis

Correct Answer

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D

Which part of a needle attaches to the collecting tube or syringe?


A) Bevel
B) Gauge
C) Hub
D) Lumen

Correct Answer

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Which needle size is most commonly used for routine venipunctures?


A) 16 gauge
B) 18 gauge
C) 21 gauge
D) 26 gauge

Correct Answer

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