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# Test Bank ( Complete Download ) For Brown and Mulholland’s Drug Calculations | 11th Edition | Tritak

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Test Bank ( Complete Download ) For Brown and Mulholland’s Drug Calculations | 11th Edition | Ann Tritak
Ann Tritak | ISBN: 9780323551298

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Test Bank ( Complete Download ) For Brown and Mulholland’s Drug Calculations | 11th Edition | Tritak
Test Bank ( Complete Download ) For Brown and Mulholland’s Drug Calculations | 11th Edition | Ann Tritak
Ann Tritak | ISBN: 9780323551298

Chapter 02: Ratio and Proportion
Tritak: Brown and Mulholland’s Drug Calculations: Ratio and Proportion Problems
for Clinical Practice, 11th Edition
ESSAY
Directions: Solve the following problems.
1. Solve for x, and prove your answer: 2 : 5 = 10 : x
ANS:
x = 25
Know Want to Know
2 : 5 = 10 : x
x = 25
Proof: 2  25 = 50
5  10 = 50
2. Solve for x, and prove your answer: 3 : 10 = 6 : x
ANS:
x = 20
Know Want to Know
3 : 10 = 6 : x
x = 25
Proof: 3  20 = 60
10  6 = 60
Directions: Set up a ratio and proportion in each of the following problems. Label and prove
3. There are 20 patient beds contained in each hospital unit. How many units would there be for
a hospital with a 300-bed capacity?
ANS:
15 units
Know Want to Know
20 beds : 1 unit = 300 beds : x units
x = 15 units
Proof: 20  15 = 300
1  300 = 300
4. Each nurse is assigned five patients for a shift. How many nurses will be needed for 250
patients?
ANS:
50 nurses
Know Want to Know
1 nurse : 5 patients = x nurses : 250 patients
x = 50 nurses
Proof: 1  250 = 250
5  50 = 250
5. If a patient needs to have three pills 4 times a day, how many pills will be needed for a 1-week
supply?
ANS:
84 pills
Know Want to Know
12 pills : 1 day = x pills : 7 days
x = 1  27
x = 84 pills
Proof: 12  7 = 84
1  84 = 84
6. A hospital hires one CNA for every 10 patients. How many CNAs will be needed for 200
patients?
ANS:
20 CNAs
Know Want to Know
1 CNA : 10 patients = x CNAs : 200 patients
x = 20 CNAs