What route does PO commonly indicate in a medication Sig?
2 Sig Codes and Directions Online Quiz Questions
Use this free practice quiz with 20 questions to review 2 Sig Codes and Directions, test your knowledge, and prepare for your next test or exam.
In common Sig usage, HS means take the medication .
Which plain-language direction best translates “Take 1 tablet PO BID” without adding a schedule that was not specified?
- A
Take 1 tablet by mouth two times a day.
- B
Take 1 tablet by mouth every 12 hours.
- C
Take 1 tablet by mouth at bedtime.
- D
Take 1 tablet by mouth as needed.
What frequency does QID commonly indicate?
Which plain-language direction commonly corresponds to PC?
- A
Take before meals.
- B
Take as needed.
- C
Take after meals.
- D
Take at bedtime.
True or false: A Sig code has one universal meaning that can be assumed in every workplace and context.
- A
True
- B
False
True or false: BID means two doses per day, but it does not necessarily mean exactly every 12 hours.
- A
True
- B
False
A Sig reads “1 tablet PO q6h PRN pain.” Which wording best preserves its dose, route, interval, and conditional use?
- A
Take 1 tablet by mouth every 6 hours as needed for pain.
- B
Take 1 tablet by mouth every 6 hours for pain.
- C
Take 1 tablet by mouth four times a day for pain.
- D
Take 1 tablet under the tongue every 6 hours as needed for pain.
In common Sig usage, SL means to place the medication .
Select all the elements a complete medication direction should make clear, as applicable.
- A
The amount to use.
- B
How to use it, including the route.
- C
When or how often to use it.
- D
Any applicable conditions or limits.
- E
An exact clock time for every dose, even when none is specified.
- F
A specific indication for every medication, regardless of whether one applies.
Select all entries identified in the material as prohibited or error-prone abbreviations or dose formats.
- A
U
- B
IU
- C
QD
- D
QOD
- E
1.0 mg
- F
.5 mg
- G
BID
- H
PO
True or false: Patient-facing medication directions should use clear, plain language.
- A
True
- B
False
Which statement correctly distinguishes “every 8 hours” from “at bedtime” as timing instructions?
- A
Both phrases mean the medication should be taken three times daily.
- B
“Every 8 hours” specifies an interval; “at bedtime” gives a time anchor.
- C
“At bedtime” specifies an interval of exactly 8 hours.
- D
Both phrases describe conditional, as-needed use.
When translating a Sig, explain what to do if a code is unclear, or if the route, timing, or frequency is missing, implausible, or conflicting. How can you avoid changing the prescriber’s intended directions without inventing information?
A direction says, “Take 1 tablet AC.” Which plain-language timing instruction matches AC?
- A
Take after meals.
- B
Take before meals.
- C
Take at bedtime.
- D
Take as needed.
A prescription says, “Apply the cream TOP.” Which plain-language route instruction best matches TOP?
- A
Place it under the tongue.
- B
Take it by mouth.
- C
Apply it to the skin.
- D
Use it at bedtime.
What timing instruction does HS commonly represent in a Sig?
How should “1 tablet PO q6h PRN pain” be rendered in plain language without changing its meaning?
- A
Take 1 tablet by mouth every 6 hours as needed for pain.
- B
Take 1 tablet by mouth six times a day for pain.
- C
Take 1 tablet by mouth every 6 hours for pain, whether needed or not.
- D
Take 1 tablet under the tongue every 6 hours as needed for pain.
A Sig contains a code whose meaning is unclear in your workplace. What should you do instead of guessing?
Which written form follows the recommended convention for a dose of half a milligram?
- A
Write .5 mg.
- B
Write 0.5 mg.
- C
Write 0.50 mg.
- D
Write 5 mg.