USPS POSTAL EXAM 476 ACTUAL TEST PAPER 2026 QUESTIONS WITH ANSWERS GRADED A+

USPS POSTAL EXAM 476 ACTUAL TEST PAPER
2026 QUESTIONS WITH ANSWERS GRADED
A+



◉ Proper procedures and aseptic technique__________the risk of
contamination.
a. greatly decrease b. somewhat increase c. somewhat decrease d. have
no effect on. Answer: a. greatly decrease


◉ __________contamination is the principle source of compounded
sterile preparations contamination.
a. Filter b. Touch c. Water d. Air. Answer: b. touch


◉ Cleaner air reduces the risk of contamination during compounding.
a. True b. False. Answer: a. true


◉ Compounding isolators incorporate a different set of techniques than
laminar airflow workbenches.
a. True b. False. Answer: a. true

, ◉ Eating, drinking, and gum chewing are allowed in the ante area but
not inside the buffer area surrounding the laminar air flow workbenches.
a. True b. False. Answer: b. false


◉ Generally, aseptic manipulations should be performed at
least__________inches inside the workbench.
a. 6 b. 9 c. 18. Answer: a. 6


◉ The direct compounding area is the__________.
a. entire sterile compounding area b. buffer area c. area inside the
laminar airflow workbench. Answer: c. area inside the laminar airflow
workbench


◉ Primary engineering controls must be certified__________,whenever
the workbench is moved, or if filter damage is suspected.
a. every 6 months b. yearly c. weekly d. when problems are reported.
Answer: a. every 6 months


◉ HEPA filters should be cleaned periodically with sterile 70%
isopropyl alcohol.
a. True b. False. Answer: b. false