# Calculations for Informatics

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1. 1 g =
gr xv
2. 1 t =
5 mL
3. 1 T =
3 t = 15 mL = 1/2 fl oz
4. 1 fl oz =
30 mL = 6 t
5. 1 L =
1 qt = 32 fl oz = 2 pt = 4 cups
6. 1 pt =
500 mL = 16 fl oz = 2 cups
7. 1 cup =
250 mL = 8 fl oz
8. 1 kg =
2.2 lb
9. 1 in =
2.5 cm
10. IM
intramuscular
11. IV
intravenous
12. IVPB
intravenous piggyback
13. subcut
subcutaneous
14. SL
sublingual, under the tongue
15. ID
16. GT
gastrostomy tube
17. NG
nasogastric tube
18. NJ
nasojejunal tube
19. p.o.
by mouth, orally
20. p.r.
per rectum, rectally
21. a.c.
before meals
22. p.c.
after meals
as desired, freely
24. p.r.n.
when necessary
25. stat
immediately, at once
26. b.i.d..
twice a day
27. t.i.d.
three times a day
28. q.i.d.
four times a day
29. min
minute
30. h
hour
31. q.h
every hour
32. q.2h
every two hours
33. q.3h
every 3 hours
34. q.4h
every four hours
35. a with a line above it
before
36. p with a line above it
after
37. c with a line above it
with
38. s with a line above it
without
39. q
every
40. qs
quantity sufficient
41. aq
water
42. NPO
nothing by mouth
43. gtt
drop
44. tab
tablet
45. cap
capsule
46. et
and
47. noct
night
48. What does a drug order consist of?
• name of patient
• name of the drug to be administered
• dosage of the drug
• route by which the drug is to be administered
• frequency, time, and special instructions related to adminsitration
• date and time when the order was written
• signature and licensure of the person writing the order
49. What are the six rights of safe and accurate medication administration?
The right patient must receive the right drug in the right amount by the right route at the right time, followed by the right documentation
50. What are the maximum dosages allowed to be administered per intramuscular injection site for Adults, Children 6 - 12, and Children birth - 5?
• Adults average 150 lb = 3 mL (maximum deltoid site is 2 mL)
• Children 6-12 = 2 mL
• Children birth - 5 = 1 mL
51. What is the calculation of an oral dosage?
• D (desired)
• H(have)
• x Q(quantity) = X (amount)
52. What is the calculation used for an parenteral dosage?
• D (desired)
• H(have)
• x Q(quantity) = X (amount)
53. What do you do if the amount is greater than 1 mL?
round the amount to be given to the tenths and measure it in a 3 mL syringe
54. What do you do if the amount is less than 1 mL?
round the amount to be given to the nearest 100ths and all amounts less than 0.5 mL in a 1 mL syringe
55. What do you do if the amount is between 0.5 mL and 1 mL?
calculate to the nearest 10ths and can be measured in a 1 mL or 3 mL syringe
56. What is the calculation to figure if the dosage is safe?
mg/kg/dose x kg = mg/dose
57. What other calculation is used to figure if the dosage is safe?
• D (desired)
• H(have)
• x Q(quantity) = X (amount)
58. D
dextrose
59. W
water
60. S
saline
61. NS
normal saline (0.9% NaCl)
62. NaCl
sodium chloride
63. RL
ringer's lactate
64. LR
lactated ringer's
65. What calculation is used to solve IV flow for manually regulated IVs ordered in mL/h or for a prescribed number of minutes?
• Volume (mL)
• Time (min)
• x Calibration or drop factor (gtt/mL) = Rate (gtt/min)
66. V
• T
• x C = R
67. What calculation is used to solve IV flow for manually regulated IVs ordered in total volume and total hours?
• Total (mL)
• Total hours
• = mL/h (round results to 10ths)
• then
• V
• T
• x C = R (round result to a whole number)
68. What are the drop factor constants for
10 gtt/mL
15 gtt/mL
20 gtt/mL
60 gtt/mL
• 10 = 6
• 15 = 4
• 20 = 3
• 60 = 1
69. What is the shortcut method to calculate IV flow rate?
• mL/h
• drop factor constant
• = gtt/min
70. What is the calculation to figure BSA?
• ht (cm) x wt (kg)
• 3,600
• all squared
71. Household:
• ht (in) x wt (lb)
• 3131
• all squared
72. How do you calculate the safe dosage based on BSA?
mg/m2 x m2 = X mg
73. What are the amounts used to calculate the daily rate of pediatric maintenance IV fluids
• 100 mL/kg/day for first 10 kg of body weight
• 50 mL/kg/day for next 10 kg of body weight
• 20 mL/kg/day for each kg above 20 kg of body weight
74. How do you calculate flow rate of an IV medication to be given over a specified time period?
• D
• H
• x Q = R (mL/h)

### Card Set Information

 Author: jdieken22 ID: 109950 Filename: Calculations for Informatics Updated: 2011-10-18 19:29:40 Tags: calculations informatics Folders: Description: different equations and other items for quiz in informatics Show Answers:

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