MATH 102 WEEK 01 SESSION 02 AGENDA SU 09
Professor Luke Papademas
papademas@aol.com
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Welcome to MATH 102 Medical Mathematics
Meet: Mondays - Thursdays 6 PM
Room 2109
Sometimes in the PC Lab Room
Introduction to Medical Mathematics
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Introduction of the Instructor
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Introduction the Students
(Please update your http://my.oakton.edu
eMail address )
login:
Oakstar ID
password: mmddyy
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Online Web site:
http://www.papademas.net/occ/MATH102
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Course Syllabus
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Course Textbook
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Lecture Topics : Interpreting the Language of Prescriptions
Chapter 2
Lecture Topics : Conversions of Units
Chapter 3 ( ounces, grams, mg, kg )
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Homework 1 – Due Today ( Exercise 1A, Chapter 1 Proficiency
Test)
Homework 2 and 3 – Due Monday
(Exercise Set 2 A, 3A, Proficiency Test Chapter 2 ( 3 of them )
and Chapter 3 ( 1 of them ) )
Quiz Tomorrow - Some Sample Questions will appear below
( the quiz is based on a little of chapters 2 and 3 )
Lab Time Tomorrow – (we may meet in a computer lab room )
MAT102-1E3, Wed, 8/5, 6-9:30pm, DP/1836
In the lab we will work on some electronic worksheets
Associated with our current topics ( conversions and percents,
decimals, fractions and yes whole numbers )
Chapter 2 Interpreting the Language of Prescriptions
Learning Objectives
Self - Test 1 ( Page 33 ) Abbreviations
The answers are on Page 45
4.
11.
15.
qod
qd
q4h prn
( it means every other day ) Do not use
every day Do not use
( every four hours as needed )
Self - Test 2 ( Page 34 ) Military Time Calculations
The answers are on Page 45
Part A
1.
2.
8.
2 pm
9 am
6:20 pm
14:00 or 1400
09:00 or 0900
18:20 or 1820
1100
1910
1000
11 am
7:10 pm
10:00 am
Part B
3.
5.
8.
Self - Test 3 ( Page 35 ) Abbreviations ( Routes )
The answers are on Page 45
1.
2.
3.
13.
SL
OU
NGT
AU
sublingual
in both eyes ( do not use )
nasogastric tube
in both ears ( do not use )
Self - Test 4 ( Page 36 ) Abbreviations ( Metric )
The answers are on Page 45
1.
0.3 g
0.3 grams
2.
150 mcg
150 micrograms
Grams - > Milligrams -> Micrograms
1000 mcg = 1 mg
1 mcg = 1 / 1000 mg
4. 0.5 mL
0.5 milliliters ( capacity measure )
8. 20 mEq
20 milliequivalents
10. 50 g
50 micrograms ( used in the realm of science )
1 microgram = 1 / 1000000 gram
1 minim = 1 drop ( 1 gtt )
Metric
Household
Apothecary
Self - Test 5 ( Page 38 ) Abbreviations ( Apothecary )
The answers are on Page 45
1.
2.
3.
4.
5.
6.
7.
8.
9.
mx
ii dr
5 gr
gtt iii
dr i
gr i
2 gtt
10 gr
mv
10 minims ( drops )
2 drams
5 grains
3 drops
1 dram
1 grain
2 drops
10 grains
5 minims
What is a dram? An apothecary measure for capacity.
1 dram = 4 mL
60 mg = 1 gr
65 mg = 1 gr ( aspirin / acetaminophen )
Some aspirin tablets are 5 grains = 325 mg
Self - Test 6 ( Page 38 ) Abbreviations ( Household )
The answers are on Page 45
1.
2.
3.
4.
5.
6.
3 tsp
1 oz
½ qt
1 tsp
1 pt
2 tbsp
1 tsp = 5 mL
3 teaspoons
1 ounce
1 / 2 quart
1 teaspoon
1 pint
2 tablespoons
1 tbsp = 15 mL
1 tbsp = 3 tsp
1 quart = 32 ounces U.S.
1 pint = 16 ounces U.S.
8 - 1 / 2 quarts = 1 gallon ( 128 ounces )
Self - Test 7 ( Page 39 ) Abbreviations ( Household )
The answers are on Page 45
1.
3.
5.
7.
9.
10.
elix
NKA
susp
SR
supp
tr
Chapter 1
(7)
elixir
no known allergies
suspension
slow release
suppository
tincture
merthiolate
Exercise Set 1A Hints and Tips
Write 23 2 / 3  as a fraction in lowest terms.
(a) 23 / 100
(b) 2 / 3
(c) 23 / 200
(d) 71 / 300
(e)
3/2
23 2 / 3  = ( 23 2 / 3 )  = ( 71 / 3 )  = ( 71 / 3 ) ( 1 / 100 ) =
( 71 * 1 ) / ( 3 * 100) = 71 / 300
(6)
Write as a fraction in simplest form: 8.5 
(a) 8 / 100
(b) 17 / 100
(c) 850 / 1000 (d) 85 / 100
(e)
Solution:
8.5  = ( 8.5 / 100 ) = ( 85 / 1000 ) = 17 / 200
( 17 is a prime number )
17 / 200
Sieve ( Puzzle ) of Erastothenes
1
11
21
31
41
51
61
71
81
91
(5)
2
12
22
32
42
52
62
72
82
92
3
13
23
33
43
53
63
73
83
93
4
14
24
34
44
54
64
74
84
94
Write 78.00 as a percent.
(a)
780  (b)
7.8  (c)
5
15
25
35
45
55
65
75
85
95
6
16
26
36
46
56
66
76
86
96
78  (d)
7
17
27
37
47
57
67
77
87
97
7800 
8
18
28
38
48
58
68
78
88
98
(e)
9
19
29
39
49
59
69
79
89
99
0.780 
To convert a decimal to a percent, multiply the given decimal by 100.
78.00 * 100 = 7800 
Gasoline Increase
Percent Increase = [ ( 2.89 – 0.17 ) / 0.17 ] * 100 = 1600  increase
As a check $ 0.17 * 16.00 + $ 0.17 = $ 2.89
Sample Quiz 1 Questions
Measurements
(1)
49.066
Round to the nearest thousandth the following: 49.06557
(2)
1
How many significant figures for 1000?
(3)
3
How many significant figures for 10.1?
(4)
0.43750
Convert 7/16 into a decimal.
(5)
0.06
Divide 1/18 by 12/13 and return a decimal to the second (or
hundredth place).
( 1 / 18 ) ÷ ( 12 / 13 ) = ( 1 / 18 ) × ( 13 / 12 ) = 13 / 216
(6)
$ 21.25
A distributor is offering a 15% discount on 10 packages of
10
20
30
40
50
60
70
80
90
100
biodegradable baby diapers. The 10 packages normally sell for
$25.00. What is the sale price? 25 – 15% * 25 =
(7)
20
Solve for x in the proportion 9:45 :: 4:x
Here your means are 45 and 4 and your extremes are 9 and x.
WE equate the means and the extremes: 9x = 45 * 4
(8)
0.076
Reduce the fraction 6/79 to its lowest term as a decimal. Report
your result to three decimal places.
(9)
Left Eye
What does the drug administration abbreviation OS represent?
(10) 1050%
Convert 10 1/2 to percent. 10.5 -> 10.5 * 100 = 1050%
(11) True
True or False? The amount 20 g means 20 grams.
(12) 20,000 mcg How many mcg are equivalent to 20 milligrams.
(13) False
True or False? The abbreviation bid means four times a day.
(14) False
True or False? The abbreviation “tid” is acceptable for 3 times
weekly.
(15) 15:09
Convert 3:09 PM to military time.
(16) 0.0003
Which number is smaller? 0.2  ,
0.0003 , 1 / 150
0.2  = 0.002 ; 0.0003 = 0.0003 ; 1 / 150 = 0.00667
(17) 7:13 pm
Convert 19:13 to traditional time.
(18) False
Sally was given some drops by her physician to place in both of her
eyes. The prescription must have had the abbreviation OD.
(T or F?) should be OU
(19) 4x per day
What does the drug administration abbreviation q.i.d. represent?
(20) False True or False? The acceptable designation for a microgram is mg.
Abbreviations
Please write out the meaning of each of the following abbreviations. Also, please
indicate if the abbreviation is not acceptable. If it isn’t acceptable, then give the correct
term.
1) U
units
2) Kg
kilograms
3) NGT
nasogastric tube
4) IVP
intravenous push
5) HHN
hand held nebulizer
6) hs
at bedtime ( hora somni )
7) q8h _________________________________________
8) q4h prn _________________________________________
9) stat
_________________________________________
10) syr _________________________________________
11) sol
_________________________________________
12) elix _________________________________________
13) NKA _________________________________________
14) SA _________________________________________
Prescriptions
Interpret the following medication orders.
1) Ampicillin 250mg cap po q8h
2) Prinivil 20mg tab po daily ac
Prinivil 20 mg tablets by mouth daily before meals ( ante cibum )
Proficiency Test 2 ( Chapter 2 ) Answers
1.
Nembutal 100 mg at bedtime prn po
Nembutal 100 milligrams at bedtime as needed by mouth
2.
Propranolol hydrochloride 40 mg po bid
Propranolol hydrochloride 40 milligrams by mouth twice daily
3.
Ampicillin 1 g IVPB q6h
Ampicillin 1 gram intravenous piggy back every six hours
4.
Demerol 50 mg IM q4h prn for pain
Demerol 50 mg intramuscular every four hours as needed for pain
Tylenol 325 mg tabs ii po stat
Tylenol 325 milligrams 2 tablets by mouth immediately
Liquaemin sodium 6000 units subcutaneously q4h
Liquaemin sodium 6000 units subcutaneously every 4 hours
Tobramycin 70 mg IM q8h
Tobramycin 70 milligrams intramuscular every 8 hours
5.
10.
11.
Proficiency Test 2 ( Chapter 3 ) Answers
1.
Colace 100 mg po tid
2.
Ativan 1 mg IVP x i now
3.
10mEq KCL in 100 cc NS over 1 h x i
4.
Tylenol #3 ii tabs po q4h prn pain
5.
Heparin 25,000 IU in 250cc D5W @ 500 units per hour
Chapter 3 Preview
Metric, Apothecary and Household Systems of Measurements
Self – Test 1
Page 49
Grams to Milligrams
1.
= 300 mg ( multiply by 1000 )
0.3 g
2.
3.
12.
0.001 g
0.02 g
0.0004 g
= 1 mg
= 20 mg
= 0.4 mg
Self – Test 2
Page 51
Milligrams to Grams
1.
2.
3.
12.
=
=
=
=
4 mg
120 mg
40 mg
0.1 mg
4 / 1000 g = 0.004 g ( divide by 1000 )
0.12 g
0.04 g
0.0001 g