Phlebotomy and IV Therapy UPDATED
ACTUAL Exam Questions and
CORRECT Answers
Rationale for Blood Draws - CORRECT ANSWER - To obtain blood values related to
electrolytes, blood counts, drug levels (therapeutic and toxic), hydration status, vitamin and other
mineral levels, cultures, hormone levels, etc.
Venipuncture - CORRECT ANSWER - Collection of blood from a vein
What needs to be done when you draw a blue tube first, when drawing blood? - CORRECT
ANSWER - You must draw a discard due to the volume that is lost by air in the tube
Longest amount of time tourniquet can be on arm - CORRECT ANSWER - 2 minutes
Order of Tubes - CORRECT ANSWER - Blue - Yellow - Red - Dark green - light green -
purple - gray
Insertion of blood draw angle - CORRECT ANSWER - 45 degrees
After removing blue and purple tubes from vacutainer, what needs to be done? - CORRECT
ANSWER - Gently invert these tubes after removing from vacutainer holder
Minimum amount of time to hold pressure after blood draw - CORRECT ANSWER -1
Minute
can blood cultures be sent in tube system? - CORRECT ANSWER - No.
, How can you avoid hemolysis of a specimen? - CORRECT ANSWER - Gently rotate
tubes after removed from vacutainer, deliver to the lab ASAP, and making sure the tube is as full
as possible
How an you prevent bruising? - CORRECT ANSWER - Don't dig for the vein, don't press
on needle when removing
Limit of Attempts per person for blood draws - CORRECT ANSWER -2
How can an accidental needle stick be avoided - CORRECT ANSWER - Don't rush
What kind of patients should you get help with or for blood draws - CORRECT
ANSWER - Combative patients and patients in restratints
What to do if patient faints when drawing blood? - CORRECT ANSWER - Make sure
patient is safe but continue to draw blood if possible
Special considerstaions if the patent is on isolation - CORRECT ANSWER - Get help to
place tubes in a bio hazard bag that has not been in the isolation room
rationale for IV therapy - CORRECT ANSWER - To maintain daily requirements, restore
and replace previous losses of body fluids or blood volume; and to provide a route for drug
administration
How often should IV sites be changed? - CORRECT ANSWER - change every 72-96
hours, so always label with date!
Is a PIV for short or long term use? - CORRECT ANSWER - short term use
most typical size for PIV - CORRECT ANSWER - 20 gauge
ACTUAL Exam Questions and
CORRECT Answers
Rationale for Blood Draws - CORRECT ANSWER - To obtain blood values related to
electrolytes, blood counts, drug levels (therapeutic and toxic), hydration status, vitamin and other
mineral levels, cultures, hormone levels, etc.
Venipuncture - CORRECT ANSWER - Collection of blood from a vein
What needs to be done when you draw a blue tube first, when drawing blood? - CORRECT
ANSWER - You must draw a discard due to the volume that is lost by air in the tube
Longest amount of time tourniquet can be on arm - CORRECT ANSWER - 2 minutes
Order of Tubes - CORRECT ANSWER - Blue - Yellow - Red - Dark green - light green -
purple - gray
Insertion of blood draw angle - CORRECT ANSWER - 45 degrees
After removing blue and purple tubes from vacutainer, what needs to be done? - CORRECT
ANSWER - Gently invert these tubes after removing from vacutainer holder
Minimum amount of time to hold pressure after blood draw - CORRECT ANSWER -1
Minute
can blood cultures be sent in tube system? - CORRECT ANSWER - No.
, How can you avoid hemolysis of a specimen? - CORRECT ANSWER - Gently rotate
tubes after removed from vacutainer, deliver to the lab ASAP, and making sure the tube is as full
as possible
How an you prevent bruising? - CORRECT ANSWER - Don't dig for the vein, don't press
on needle when removing
Limit of Attempts per person for blood draws - CORRECT ANSWER -2
How can an accidental needle stick be avoided - CORRECT ANSWER - Don't rush
What kind of patients should you get help with or for blood draws - CORRECT
ANSWER - Combative patients and patients in restratints
What to do if patient faints when drawing blood? - CORRECT ANSWER - Make sure
patient is safe but continue to draw blood if possible
Special considerstaions if the patent is on isolation - CORRECT ANSWER - Get help to
place tubes in a bio hazard bag that has not been in the isolation room
rationale for IV therapy - CORRECT ANSWER - To maintain daily requirements, restore
and replace previous losses of body fluids or blood volume; and to provide a route for drug
administration
How often should IV sites be changed? - CORRECT ANSWER - change every 72-96
hours, so always label with date!
Is a PIV for short or long term use? - CORRECT ANSWER - short term use
most typical size for PIV - CORRECT ANSWER - 20 gauge
