Ptcb Quiz: Sig Code Interpretation
20 questions · exam conditions
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Sig Code InterpretationQuestion 1 of 20

At a community pharmacy, an eRx reads: Clindamycin 300 mg cap, Sig: i cap p.o. q.i.d. x 7 days; Saccharomyces probiotic, Sig: i cap p.o. b.i.d.; Acetaminophen, Sig: ii tabs p.o. q6h prn. Based on the prescription, how should p.o. be administered?

By mouth
In the eye
On the skin
In the ear
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Ptcb Quiz

Ptcb Quiz: Sig Code Interpretation

Practice Sig Code Interpretation in Ptcb with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

What this quiz covers

This quiz focuses on Sig Code Interpretation, giving you a quick way to practice the rules, question types, and explanations that matter most for Ptcb.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

All questions

Question 1

At a community pharmacy, an eRx reads: Clindamycin 300 mg cap, Sig: i cap p.o. q.i.d. x 7 days; Saccharomyces probiotic, Sig: i cap p.o. b.i.d.; Acetaminophen, Sig: ii tabs p.o. q6h prn. Based on the prescription, how should p.o. be administered?

  1. By mouth (correct answer)
  2. In the eye
  3. On the skin
  4. In the ear
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'p.o.,' which requires understanding its precise meaning for accurate medication dispensing. Choice A is correct because it accurately interprets 'p.o.' as 'by mouth,' ensuring the correct dosage and administration. Choice B is incorrect because it misinterprets 'p.o.' as 'in the eye,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 2

In the hospital pharmacy, a technician reviews: Morphine 2 mg, Sig: give IV q2h prn pain; Ketorolac 15 mg, Sig: IV q6h; Pantoprazole 40 mg, Sig: IV q.d.. Which of the following best represents the frequency of administration for q2h?

  1. Every 2 hours (correct answer)
  2. Every 12 hours
  3. Twice daily
  4. Every morning
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'q2h,' which requires understanding its precise meaning for accurate medication dispensing. Choice A is correct because it accurately interprets 'q2h' as 'every 2 hours,' ensuring the correct dosage and administration. Choice B is incorrect because it misinterprets 'q2h' as 'every 12 hours,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 3

In a retail pharmacy, an eRx states: Sertraline 50 mg tab, Sig: i tab p.o. q.a.m.; Hydroxyzine 25 mg tab, Sig: i tab p.o. q6h prn anxiety; Melatonin 3 mg, Sig: i tab p.o. h.s.. In this prescription, what does the abbreviation q.a.m. indicate?

  1. Every afternoon
  2. Every morning (correct answer)
  3. Every evening
  4. Every four hours
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'q.a.m.,' which requires understanding its precise meaning for accurate medication dispensing. Choice B is correct because it accurately interprets 'q.a.m.' as 'every morning,' ensuring the correct dosage and administration. Choice A is incorrect because it misinterprets 'q.a.m.' as 'every afternoon,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 4

During an emergency refill call, the pharmacist reads: Albuterol HFA, Sig: inhale ii puffs q4-6h prn wheeze; Prednisone 20 mg tab, Sig: i tab p.o. b.i.d. x 5 days; Guaifenesin syrup, Sig: 10 mL p.o. q.i.d. prn cough. Which of the following best represents the frequency of administration for q.i.d.?

  1. Once daily
  2. Twice daily
  3. Three times daily
  4. Four times daily (correct answer)
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'q.i.d.,' which requires understanding its precise meaning for accurate medication dispensing. Choice D is correct because it accurately interprets 'q.i.d.' as 'four times daily,' ensuring the correct dosage and administration. Choice A is incorrect because it misinterprets 'q.i.d.' as 'every afternoon,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 5

In an outpatient clinic pharmacy, a handwritten Rx lists: Cephalexin 500 mg cap, Sig: i cap p.o. q6h x 5 days; Mupirocin ointment, Sig: apply t.i.d.; Diphenhydramine 25 mg, Sig: i cap p.o. h.s. prn itching. Which of the following best represents the frequency of administration for q6h?

  1. Every 6 hours (correct answer)
  2. Every 8 hours
  3. Six times daily
  4. Once weekly
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'q6h,' which requires understanding its precise meaning for accurate medication dispensing. Choice A is correct because it accurately interprets 'q6h' as 'every 6 hours,' ensuring the correct dosage and administration. Choice B is incorrect because it misinterprets 'q6h' as 'every 8 hours,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 6

At an outpatient clinic, a handwritten Rx states: Prednisolone acetate eye drops, Sig: instill i gtt OD q.i.d.; Erythromycin ointment, Sig: apply OS h.s.; Artificial tears, Sig: i gtt OU prn. In this prescription, what does the abbreviation OD indicate?

  1. Right eye (correct answer)
  2. Left eye
  3. Both eyes
  4. Right ear
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'OD,' which requires understanding its precise meaning for accurate medication dispensing. Choice A is correct because it accurately interprets 'OD' as 'right eye,' ensuring the correct dosage and administration. Choice B is incorrect because it misinterprets 'OD' as 'left eye,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 7

In an outpatient pharmacy, an eRx reads: Omeprazole 20 mg cap, Sig: i cap p.o. a.c. breakfast; Famotidine 20 mg tab, Sig: i tab p.o. h.s.; Calcium carbonate, Sig: chew ii tabs prn heartburn. In this prescription, what does the abbreviation a.c. indicate?

  1. After meals
  2. Before meals (correct answer)
  3. At bedtime
  4. As needed
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'a.c.,' which requires understanding its precise meaning for accurate medication dispensing. Choice B is correct because it accurately interprets 'a.c.' as 'before meals,' ensuring the correct dosage and administration. Choice A is incorrect because it misinterprets 'a.c.' as 'after meals,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 8

At the outpatient clinic pharmacy window, a handwritten Rx reads: Timolol 0.5% drops, Sig: instill i gtt OU b.i.d.; Artificial tears, Sig: i gtt OU q.i.d. prn; Erythromycin ointment, Sig: apply to OS h.s.. In this prescription, what does the abbreviation OU indicate?

  1. Right eye only
  2. Left eye only
  3. Both eyes (correct answer)
  4. Both ears
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'OU,' which requires understanding its precise meaning for accurate medication dispensing. Choice C is correct because it accurately interprets 'OU' as 'both eyes,' ensuring the correct dosage and administration. Choice A is incorrect because it misinterprets 'OU' as 'right eye only,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 9

In the inpatient pharmacy, an order reads: Heparin 5,000 units, Sig: inject SubQ q8h; Ondansetron 4 mg, Sig: IV q6h prn nausea; Acetaminophen 650 mg, Sig: p.o. q6h prn pain. In this prescription, what does the abbreviation SubQ indicate?

  1. Sublingual route
  2. Subcutaneous route (correct answer)
  3. Subconjunctival route
  4. Suppository route
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'SubQ,' which requires understanding its precise meaning for accurate medication dispensing. Choice B is correct because it accurately interprets 'SubQ' as 'subcutaneous route,' ensuring the correct dosage and administration. Choice A is incorrect because it misinterprets 'SubQ' as 'sublingual route,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 10

In the hospital pharmacy, an order states: Warfarin 5 mg tab, Sig: take i tab p.o. q.d.; Enoxaparin, Sig: inject SubQ q12h; Vitamin K, Sig: p.o. prn per protocol. In this prescription, what does the abbreviation q12h indicate?

  1. Every 12 hours (correct answer)
  2. Every 2 hours
  3. Once daily
  4. At bedtime
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'q12h,' which requires understanding its precise meaning for accurate medication dispensing. Choice A is correct because it accurately interprets 'q12h' as 'every 12 hours,' ensuring the correct dosage and administration. Choice B is incorrect because it misinterprets 'q12h' as 'every 2 hours,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 11

At a community pharmacy, an eRx states: Polyethylene glycol powder, Sig: dissolve 17 g in water p.o. q.d. prn constipation; Senna, Sig: ii tabs p.o. h.s. prn; Docusate, Sig: i cap p.o. b.i.d.. Which of the following best represents the frequency of administration for h.s.?

  1. At bedtime (correct answer)
  2. Every morning
  3. Every 6 hours
  4. With meals
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'h.s.,' which requires understanding its precise meaning for accurate medication dispensing. Choice A is correct because it accurately interprets 'h.s.' as 'at bedtime,' ensuring the correct dosage and administration. Choice B is incorrect because it misinterprets 'h.s.' as 'every morning,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 12

In the hospital pharmacy, an order reads: Cefazolin 1 g, Sig: infuse i dose IV q8h; Acetaminophen 650 mg, Sig: p.o. q6h prn fever; Zolpidem 5 mg, Sig: p.o. h.s. prn sleep. In this prescription, what does the abbreviation IV indicate?

  1. Intravenous route (correct answer)
  2. Intravaginal route
  3. Inhalation via vapor
  4. Into the eye route
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'IV,' which requires understanding its precise meaning for accurate medication dispensing. Choice A is correct because it accurately interprets 'IV' as 'intravenous route,' ensuring the correct dosage and administration. Choice B is incorrect because it misinterprets 'IV' as 'intravaginal route,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 13

At a community pharmacy, an eRx lists: Naproxen 500 mg tab, Sig: i tab p.o. b.i.d. with food; Cyclobenzaprine 5 mg tab, Sig: i tab p.o. t.i.d. prn spasm; Lidocaine patch, Sig: apply topically q.d. prn. What does the Sig code prn mean in this prescription?

  1. Before meals
  2. As needed (correct answer)
  3. After meals
  4. At bedtime
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'prn,' which requires understanding its precise meaning for accurate medication dispensing. Choice B is correct because it accurately interprets 'prn' as 'as needed,' ensuring the correct dosage and administration. Choice A is incorrect because it misinterprets 'prn' as 'before meals,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 14

In a hospital pharmacy, an order reads: Metoprolol tartrate 25 mg tab, Sig: ii tabs p.o. b.i.d.; Furosemide 40 mg tab, Sig: i tab p.o. q.a.m.; Potassium chloride, Sig: i tab p.o. q.d.. Which of the following correctly interprets the Roman numeral ii in this order?

  1. Take one tablet
  2. Take two tablets (correct answer)
  3. Take three tablets
  4. Take four tablets
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'ii,' which requires understanding its precise meaning for accurate medication dispensing. Choice B is correct because it accurately interprets 'ii' as 'take two tablets,' ensuring the correct dosage and administration. Choice A is incorrect because it misinterprets 'ii' as 'take one tablet,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 15

At a chain pharmacy, a complex eRx shows: Azithromycin 250 mg tab, Sig: take ii tabs p.o. day 1 then i tab q.d. days 2–5; Benzonatate 100 mg cap, Sig: i cap p.o. t.i.d. prn; Dextromethorphan syrup, Sig: 10 mL p.o. q6h prn. How should the dosage ii be interpreted in the context of this order?

  1. Take one tablet
  2. Take two tablets (correct answer)
  3. Take three tablets
  4. Take four tablets
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'ii,' which requires understanding its precise meaning for accurate medication dispensing. Choice B is correct because it accurately interprets 'ii' as 'take two tablets,' ensuring the correct dosage and administration. Choice A is incorrect because it misinterprets 'ii' as 'take one tablet,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 16

In the hospital pharmacy, a MAR order states: Insulin lispro, Sig: inject per sliding scale SubQ a.c. and h.s.; Docusate 100 mg, Sig: p.o. b.i.d.; Acetaminophen 650 mg, Sig: p.o. q6h prn. In this prescription, what does the abbreviation h.s. indicate?

  1. Half strength
  2. At bedtime (correct answer)
  3. Every hour
  4. Before meals
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'h.s.,' which requires understanding its precise meaning for accurate medication dispensing. Choice B is correct because it accurately interprets 'h.s.' as 'at bedtime,' ensuring the correct dosage and administration. Choice A is incorrect because it misinterprets 'h.s.' as 'half strength,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 17

In a hospital setting, an order reads: Piperacillin-tazobactam, Sig: infuse IV q6h; Vancomycin, Sig: infuse IV q12h; Hydromorphone, Sig: IV q3h prn severe pain. Which of the following best represents the frequency of administration for q12h?

  1. Every 12 hours (correct answer)
  2. Every 2 hours
  3. Twice weekly
  4. Every 24 hours
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'q12h,' which requires understanding its precise meaning for accurate medication dispensing. Choice A is correct because it accurately interprets 'q12h' as 'every 12 hours,' ensuring the correct dosage and administration. Choice B is incorrect because it misinterprets 'q12h' as 'every 2 hours,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 18

In a busy community pharmacy, a new eRx lists: Amoxicillin 500 mg cap, Sig: i cap p.o. t.i.d. x 7 days; Ibuprofen 200 mg tab, Sig: ii tabs p.o. q6h prn pain; Diphenhydramine 25 mg cap, Sig: i cap p.o. h.s. prn insomnia. Which of the following best represents the frequency of administration for t.i.d.?

  1. Two times daily
  2. Three times daily (correct answer)
  3. Once daily
  4. Four times daily
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 't.i.d.,' which requires understanding its precise meaning for accurate medication dispensing. Choice B is correct because it accurately interprets 't.i.d.' as 'three times daily,' ensuring the correct dosage and administration. Choice A is incorrect because it misinterprets 't.i.d.' as 'two times daily,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 19

In the inpatient pharmacy, a new order reads: Albuterol neb, Sig: inhale via neb q4h prn SOB; Ipratropium neb, Sig: inhale q6h; Prednisone 40 mg, Sig: p.o. q.d. x 5 days. Which of the following best represents the frequency of administration for q4h?

  1. Every 4 hours (correct answer)
  2. Four times daily
  3. Every 14 hours
  4. Once daily
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 'q4h,' which requires understanding its precise meaning for accurate medication dispensing. Choice A is correct because it accurately interprets 'q4h' as 'every 4 hours,' ensuring the correct dosage and administration. Choice B is incorrect because it misinterprets 'q4h' as 'four times daily,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.

Question 20

In a community pharmacy, an eRx reads: Hydrocortisone 2.5% cream, Sig: apply t.i.d. to affected area; Cetirizine 10 mg tab, Sig: i tab p.o. q.d.; Diphenhydramine 25 mg cap, Sig: i cap p.o. h.s. prn. Based on the prescription, how should t.i.d. be administered?

  1. Apply three times daily (correct answer)
  2. Apply two times daily
  3. Apply once daily
  4. Apply four times daily
Explanation: This question tests the ability to interpret Sig codes, Roman numerals, and prescription abbreviations, crucial skills for pharmacy technicians in order entry and processing. Sig codes and Roman numerals are standard notations used to denote dosage, frequency, and administration instructions. For example, 'b.i.d.' means 'twice a day,' and 'ii' indicates 'two tablets.' In this specific scenario, the prescription provided includes the Sig code 't.i.d.,' which requires understanding its precise meaning for accurate medication dispensing. Choice A is correct because it accurately interprets 't.i.d.' as 'apply three times daily,' ensuring the correct dosage and administration. Choice B is incorrect because it misinterprets 't.i.d.' as 'apply two times daily,' a common error when technicians misread abbreviations or numerals. To help students master these skills, practice recognizing and accurately interpreting common Sig codes, pay attention to context clues within prescriptions, and verify any unclear abbreviations with standard references. Regular training on frequently used abbreviations and numeral interpretations can enhance accuracy and prevent errors.