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VA-BC Exam Quiz Bank | 150+ Questions and Verified ANSWERs (Updated) What size needle do you need for blood?
ANSWER: 20-24
ANSWER: A 20-24 gauge needle is typically used for blood
draws, balancing flow rate and patient comfort.
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How do you know if you cannulated an artery?
ANSWER: Bright red blood
ANSWER: Arterial blood is bright red due to high oxygen
content, unlike darker venous blood.
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You have a 16 year old patient and the PICC appears to be on the left side, how do you determine it’s in the vein and not artery?
ANSWER: Perform ABG
ANSWER: An arterial blood gas (ABG) test confirms arterial
placement by showing high oxygen levels; venous blood would not.
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Patient needs one dose of vanco what would you recommend?
ANSWER: Midline
ANSWER: A midline catheter is suitable for a single dose of
vancomycin (non-vesicant), avoiding central line risks.
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How do you determine IO position placement?
ANSWER: Across abdomen
ANSWER: For intraosseous (IO) access, correct placement
(e.g., tibia) is confirmed by marrow aspiration or fluid flow, not "across abdomen" (text may be misinterpreted; standard is bone site verification).
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If patient states NO IV what do you?
ANSWER: Recommend IV
ANSWER: Educate on necessity and benefits, but respect
refusal if informed; offer alternatives if applicable.
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What body position do you do for PICC removal?
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ANSWER: Upward
ANSWER: Supine or slight upward tilt (e.g., Trendelenburg)
aids removal; "upward" may imply patient comfort positioning.
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What arm position for PICC removal?
ANSWER: Arm below
ANSWER: Arm below heart level reduces air embolism risk
during removal.
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When should dressing be changed?