Caffeine Half-Life Worksheet Page 4
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42. Garth – adult (5-6 hours to metabolize ½ caffeine intake)
Rip It
Jolt Gum
Total
400 mg
66 mg
= 466 mg
8:00pm
200 mg
33 mg
= 233 mg
1:30am
100 mg
16.5 mg
= 116.5 mg
7:00am
50 mg
8.25 mg
= 58.25 mg
12:30pm
(16.5 hours!)
3. Billy – young adult (child = 2-3 hours, adult = 5-6 hours) 3-5 hours to metabolize ½ caffeine
intake
B&J Ice Cream
Red Bull
Sport Beans
Hershey’s DK
Total
252 mg
= 252 mg
4:00am
8:00am
126 mg
80 mg
100 mg
31 mg
= 337 mg
63 mg
40 mg
50 mg
15.5 mg
= 168.5 mg
12:00pm
4:00pm
31.5 mg
20 mg
25 mg
7.75 mg
= 84.25 mg
15.5 mg
10 mg
12.5 mg
3.875 mg
= 41.875 mg
8:00pm
12:00am
7.75 mg
5 mg
6.25 mg
1.94 mg
= 20.94 mg
(a little over 20 hours!)
nd
4. Beth – 2
trimester of pregnancy (10-18 hours to metabolize ½ caffeine intake)
Orange Soda
Haagen-Daz
Anacin
Total
41 mg
58 mg
64 mg
= 163 mg
12:00pm
20.5 mg
29 mg
32 mg
= 81.5 mg
12:00am
10.25 mg
14.5 mg
16 mg
= 40.75 mg
12:00pm
5.125 mg
7.25 mg
8 mg
= 20.375 mg
12:00am
2.563 mg
3.625 mg
4 mg
= 10.188 mg
12:00pm
1.2815 mg
1.8125 mg
2 mg
= 5.094 mg
12:00am
12:00pm
.64 mg
.9 mg
1 mg
= 2.54 mg
(3 days!!!!)
5. Fill out chart and calculate – answers will vary
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