NUR 112 Basic Medmath SHADOW HEALTH
Shadow Health Basic Med Math Bryana Patton
11/2/2018
1. Scenario: Mr. Larsen’s general practioner advised him to take 2g of fish oil per day. The capsule
Mr. Larsen purchased are 1,000mg.
Question: How Many Fish Oil capsules should be take each day?
Work...
NUR 112 Basic Medmath SHADOW HEALTH
Shadow Health Basic Med Math Bryana Patton
11/2/2018
1. Scenario: Mr. Larsen’s general practioner advised him to take 2g of fish oil per day. The capsule
Mr. Larsen purchased are 1,000mg.
Question: How Many Fish Oil capsules should be take each day?
Work:
1. Convert the doctor’s recommendation of 2g into milligrams.
1,000 mg
2g x =2,000 mg
1g
2. Determine how many fish pill capsules Mr. Larsen should take to ingest 2,000mg
1 capsule
x 2,000 mg=2 capsules
1,000 mg
Answer: 2 capsules
m
2. Scenario: Before his surgery, Mr. Larsen was taking Tramadol, prescribed as 50mg by mouth
er as
every 6 hours as needed for pain.
co
Question: If he took every available dose in 24 hours, how many mg of Tramadol would he
eH w
ingest?
Work:
o.
rs e
1. Determine how many times in 24 hours Mr. Larsen took a dose.
ou urc
1 dose
24 hours x =4 doses
6 hours
o
2. Multiply the number of doses by the number of milligrams per dose.
aC s
vi y re
50 mg
4 doses x =200 mg
1 dose
Answer: 200mg
ed d
3. Scenario: While in the hospital, the orders all for MR. Larsen to take atorvastatin 20mg, 1 tab, by
ar stu
mouth once a day. However, the pharmacy only carries 10 mg tablets.
Question: How many tablets of atorvastatin should be administered to him?
Work:
is
1. Determine what information you have.
Th
D ( ordered dose )=20 mg
H ( dose on hand )=10 mg
sh
Q ( quantity )=1 tablet
2. Plug into the equation and solve.
This study source was downloaded by 100000829820709 from CourseHero.com on 08-28-2021 09:43:46 GMT -05:00
, Shadow Health Basic Med Math Bryana Patton
11/2/2018
D(20 mg)
x 1 tablet=X , X =2tablets
H (10 mg)
Answer: 2 tablets
4. Scenario: The Davis’s Drug Guide reports a potential drug-drug interaction with acetaminophen
and warfarin. IF a patient is taking warfarin, mora than 2g/day of acetaminophen may increase
bleeding. Because Mr. Larsen is ordered both, he should receive no more than 2g/day of
acetaminophen.
Question: If Mr. Larsen takes acetaminophen 325mg, 2 tabs, by mouth every 4 hours for mild
pain. What is the maximum number of tablets you can give him so that he doesn’t exceed
2g/day? (Assume you will only give him whole tablets.)
Work:
1. Determine how many milligrams are in 2 grams.
1,000 mg
2g x =2,000 mg
1g
m
er as
2. Determine how many 325mg tablets go into 2,000mg.
co
1 tablet
2,000 mg x =6.15 tablets
eH w
325 mg
o.
3. Consider that the dosage may not exceed 2,000mg, and you may only administer whole
tablets. rs e
ou urc
Round down¿ the whole number of tablets=6
Answer: 6 Tablets
o
5. Scenario: At 0800, Mr. Larsen reports a moderate pain level of 5, and so you administer
aC s
oxycodone 5mg/ acetaminophen 325mg, 1 tab, by mouth. At 1200, Mr. Larsen reports mild pain
vi y re
rated 3, so you administer acetaminophen 325mg, 2 tabs, by mouth.
Question: At this point, how many acetaminophens have Mr. Larsen taken?
Work:
1. Determine how many mg of acetaminophen Mr. Larsen has taken each time.
ed d
325 mg at 0800
ar stu
650 mg at 1200
2. Add the two amounts together:
325 mg+ 650 mg=975 mg
is
Answer: 975mg
Th
6. Scenario: In Mr. Larsen’s orders, the enoxaparin is prescribed for prophylaxis of DVT following
knew replacement surgery, and he is ordered 30mg by subcutaneous injection every 12 hours.
Suppose the pharmacy stocks multi-use vials of 300mg/3ml enoxaparin.
sh
Question: How much will you need to draw up to administer a 30mg dose?
Work:
1. Determine what information you have.
D ( ordered dose )=30 mg
This study source was downloaded by 100000829820709 from CourseHero.com on 08-28-2021 09:43:46 GMT -05:00
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