Answers (Latest Update 2026)
How is ammonia handled after being drawn? -
correct answer ✅it needs to be put on ice
Arteries carry blood away from the heart via _____? -
correct answer ✅Aorta
What carries blood back to heart -
correct answer ✅veins
Baby bilirubin; amber tube, Why? -
correct answer ✅bilirubin breaks down in the presence of light,
amber tube protects specimen from light
best site for baby heel stick -
correct answer ✅medial to big toe and lateral to the line between
4th and 5th toe on the fattiest part of the heel
Best way to break the chain of infection -
correct answer ✅hand hygiene
,Phlebotomy BOC Exam Questions and
Answers (Latest Update 2026)
Blood alcohol; What do you use to cleanse the skin -
correct answer ✅not isopropyl alcohol; povidone-iodine and
benzalkonium chloride
Blood cultures; What is the #1 skin antiseptic? -
correct answer ✅-povidone-iodine, bezalkonium chloride
-due to iodine sensitivities chlorhexidine gluconate/ isopropyl
alcohol antiseptic preparations are being used
blood cultures -
correct answer ✅draw two at 30-60 minutes intervals
capillary blood -
correct answer ✅closer to arterial blood than venous
causes of hematoma -
correct answer ✅probing
going through the vein
using a cotton ball instead of gauze
,Phlebotomy BOC Exam Questions and
Answers (Latest Update 2026)
Centrifudges -
correct answer ✅check every 3 months, balance with caps on
chain of custody -
correct answer ✅ID, Date, time of sampling handling
clean catch midstream urine -
correct answer ✅best for detecting bacterial infection
cold agglutinins, cryofibrinogen, cryoglobulines -
correct answer ✅keep sample warm; body temperature; 37
degrees Celsius
What if a patient has cold hands? -
correct answer ✅warm them before finger stick
contact isolation -
correct answer ✅use gloves and gown
How often do you do quality controls? -
correct answer ✅usually daily but depends on the manufacturer
, Phlebotomy BOC Exam Questions and
Answers (Latest Update 2026)
crying baby -
correct answer ✅wait one hour to draw
evacuated tube system -
correct answer ✅dispose of both needle and holder
fasting -
correct answer ✅12 hours of no food, water okay
which fingers do you use on a finger stick? -
correct answer ✅3rd and 4th
how often do you change gloves? -
correct answer ✅in between patients
hemolysis -
correct answer ✅--when RBC are damaged or destroyed and the
hemoglobin escapes into the fluid portion of the specimen turning
it pink to red depending on extent
--unsatisfactory for electrolytes, esp. potassium, also magnesium
and most enzyme tests