Pharmacy Math Homework

Description

Answer questions 1 through 4 regarding the components of prescriptions.

1. Name five components of a prescription.

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2. Define a “stat” order._____________________________

3. The DEA number always must be shown on a prescription for _____________________________

4. Name the terms for the following parts of a prescription.
• Medication prescribed _______________
• Directions to the patient _____________
• Dispensing directions to the pharmacist _____________
• Rx symbol ___________

Refer to Prescription A to answer questions 5–7.

5. How many times should the patient take Allegra per day? __________
6.How many times can Prescription A be refilled? __________
7.How much Allegra should you dispense? __________

Refer to Prescription B to answer questions 8–10.

8. How much Trycet should the patient take at one time? __________
9. What strength tablets should be dispensed? _____________
10. How often should the patient take Trycet? __________

Refer to Prescription C to answer questions 11–13.

11. How much timolol should the patient use at one time? _____________
12. What strength drops should be dispensed? _____________
13. How many times can this prescription be refilled? _____________

Refer to Prescription D to answer questions 14–16.

14. How many times should the patient take phenobarbital each day? __________
15. How much phenobarbital should the patient take at one time? _________
16. If the patient gets the original prescription and only 2 refills, how many tablets will the patient take in total? __________

Refer to Prescription E to answer questions 17–19.

17. How of en should the patient take guaifenesin? ________________
18. How many teaspoons should the patient take at one time? __________
19. How many times can this prescription be refilled? __________

Write the meaning of the following abbreviations commonly used in prescriptions.

21. q __________
24. ac __________
25. sig __________
26. pc __________
27. hs __________
28. aq __________
29. prn __________
30. gtt __________

Refer to Label A to answer questions 34–37.

34. What is the supply dosage of the medication in milliequivalents? ________________________________________

35. What is the supply dosage of the medication in milligrams? ________________________________________

36. What is the National Drug Code number? ________________________________________

37. What is the route of administration? ________________________________________

Refer to Label B to answer questions 38–41.38.

What is the generic name of the drug? ________________________________________

39. What is the reconstitution instruction to mix a supply dosage of 100 mg per 5 mL for oral suspension? ________________________________________

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40. What is the name of the manufacturer of the drug? ________________________________________

Refer to Label C to answer questions 42–44.

42. What is the supply dosage? ________________________________________

43. What is the total volume of the medication container? ________________________________________

44. How much will you administer to the patient per dose for the order Methotrexate 25 mg IV stat? ________________________________________

Refer to Label D to answer questions 45–48.

45. What is the generic name of the drug? ________________________________________

46. What is the brand name of the drug? ________________________________________

47. How many milligrams are in each mL? ________________________________________

48. What is the total volume of the medication container? ________________________________________

Refer to Label E to answer questions 49–53.

49. What is the drug form? ________________________________________

50. What is the administration route? ________________________________________

51. What is the total volume of the drug container? ________________________________________

Refer to Label F to answer questions 54–57.

54. What is the generic name of the medication? ________________________________________

55. What is the form of the drug? ________________________________________

57. What is the NDC number of the drug? ________________________________________

Refer to Label G to answer questions 58–59.

58. What is the dosage strength of the drug? ________________________________________

59. What is the expiration date of the drug? ________________________________________

Interpret the following physician medication orders.

60. Apresoline 30 mg IV q6h ________________________________________

61. neostigmine 0.5 mg IM t.i.d. ________________________________________

62. Novolin N NPH U-100 insulin 25 USC ā breakfast ________________________________________

63. Demerol 50 mg IM q3-4h p.r.n. pain ___________

64. Lanoxin 0.25 mg p.o. q.d. ________________________________________

65. Maalox 5 mL p.o. 1h a.c., 1h p.c., h.s. ________________________________________

66. Motrin 600 mg p.o. b.i.d. ________________________________________

67. Cytoxan 50 mg p.o. q.d. ________________________________________

Refer to Label H or I to answer questions 72–78.

72. The lot number for the drug on label I is _________________.

73. Which label represents a combination drug? _________________.

74. Which label represents a unit- or single-dose drug? __________________.

75. The controlled substance schedule for the drug shown on label H is _________________.

76. What is the route of administration for the drug shown on label H? _________________.

77. Which label represents a drug that may be ordered by the number of tablets or capsules? _________________.

78. What is the total volume of the vial as listed on label I? ___________

Refer to Label J to answer questions 79–80.

79. What is the supply dosage of the drug in label J, when expressed as a percentage? _________________.

80. Th e supply dosage in label J is equivalent to ____________ mg per mL.

Critical Thinking

A community pharmacy technician misread the handwriting on a prescription for 10 mg of Metadate ER and dispensed methadone 10 mg instead for a 7-year-old boy. Fortunately, the pharmacist read the information that accompanied the prescription and realized the error. It is the responsibility of the pharmacy technician to clarify any drug order that is doubtful in order to prevent medication errors.

1. If the handwriting on a prescription is not clear, what should a pharmacy technician do? ___________________________________________________ ___________________________________________________

2. What are Metadate and methadone commonly prescribed for? ___________________________________________________ ___________________________________________________

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