The nurse administers a medication to a patient at 10 AM and 4 PM. The morning dose is 3/8 of an ounce and the afternoon dose is 3/7 of an ounce. The nurse has a one-ounce vial of medication. Is that enough medication? If not, how much more medication does the nurse need?
No, the nurse needs 11/56 of an ounce more.
No, the nurse needs 1/8 of an ounce more.
No, the nurse needs 1/7 of an ounce more.
Yes, the nurse has enough medication
The Correct Answer is A
To determine if the nurse has enough medication, we need to calculate the total amount of medication used and compare it to the one-ounce vial.
- Morning Dose:
ounce - Afternoon Dose:
ounce
First, find a common denominator to add these fractions. The least common multiple of 8 and 7 is 56.
Convert each fraction to have a denominator of 56:
- For
:
= 
= 
- For
:
= 
= 
Add these fractions:
+ 
= 
So, the total amount of medication used is 
ounce.
The vial contains 1 ounce. The amount of medication remaining in the vial is:
1− 
= 
− 
= 
Since 
ounce is needed more to make up for the used amount, the nurse needs: 
of an ounce more.
Therefore, the correct answer is:
No, the nurse needs 
of an ounce more.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
To solve the expression, Subtract 0.0035 from 1.679:
1.679 − 0.0035=1.6755
So, the correct answer is: 1.6755
Correct Answer is D
Explanation
To convert 0.072 to a percentage and a fraction:
Percentage:
0.072×100=7.2%
So, 0.072 is equal to 7.2%, hence the option of 72% is incorrect.
Fraction:
So, 0.072 is equal to 
, hence the option of 
is incorrect.
Percentage:
0.072×100=7.2%
So, 0.072 is equal to 7.2%, hence the option of 0.72% is correct.
Fraction:
0.072 = 
So, 0.072 is equal to 
, hence the option of 
is correct
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