brown and mulholland’s drug calculations 11th edition tritak test bank
brown and mulholland’s drug calculations 11th edition tritak
brown and mulholland’s drug calculations 11th edition
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Brown and Mulholland’s Drug Calculations
11th Edition Tritak Test Bank
Chapter 01: General Mathematics
Tritak: Brown and Mulholland’s Drug Calculations: Ratio and Proportion Problems
for Clinical Practice, 11th Edition
ESSAY
Directions: Solve the following problems.
1. Add and reduce to lowest terms:
ANS:
2. Add:
ANS:
3. Multiply and reduce to lowest terms:
ANS:
4. Multiply and reduce to lowest terms:
ANS:
5. Divide and reduce to lowest terms:
ANS:
6. Divide and reduce to lowest terms:
ANS:
, 7. Which is greater, ?
ANS:
8. Which is smaller,
ANS:
9. Change to a decimal:
ANS:
0.125
10. Change to a fraction: 0.008
ANS:
11. Which is smaller, 0.125 or 0.25?
ANS:
0.125
12. Which is greater, 0.25 or 0.05?
ANS:
0.25
13. Round to the nearest tenth: 3.124
ANS:
3.1
14. Round to the nearest hundredth: 0.42877
ANS:
0.43
15. Round to the nearest whole number: 5.742
ANS:
6
,16. Round to the nearest ten thousandth: 0.576391
ANS:
0.5764
17. Divide 7.35 by 0.25.
ANS:
29.4
18. Multiply 4.25 by 0.2.
ANS:
0.85
19. Find 5% of 75.
ANS:
0.05 75 = 3.75 (10% of 75 is 7.5; 5% would be one half of that)
20. Find 55% of 120.
ANS:
0.55 120 = 66 (a little more than one half of 120)
21. Write as a percentage and as a decimal.
ANS:
10%, 0.1
22. Write 0.05 as a fraction and as a percentage.
ANS:
23. Write 85% as a fraction and as a decimal.
ANS:
24. Change 1 to an improper fraction.
ANS:
, 25. Change to a whole or mixed number.
ANS:
26. Which is larger, tens or tenths?
ANS:
Tens
27. Write three hundred seventy seven thousandths as a decimal.
ANS:
0.377
28. Make 150 mL of a 50% strength solution. How many mL of the solute will be needed?
ANS:
75 mL
Know Want to Know
1 mL : 2 mL = x mL : 150 mL
2x = 1 150 = 150
x = 75 mL
Proof: 1 150 = 150
2 75 = 150
29. You need to make a 75% Betadine solution for a total of 250 mL. How much Betadine will
you need?
ANS:
187.5 mL
Know Want to Know
75 mL : 100 mL = x mL : 250 mL
3 : 4 = x : 250
4x = 3 250 = 750
4x = 750 mL
x = 187.5 mL of Betadine. Add 62.50 mL of solution for a total of 250 mL.
Proof: 3 250 = 750
4 187.5 = 750
30. You need to make a 10% solution of hydrogen peroxide for a total of 500 mL. You are using
normal saline (NS) as the solvent. How many mL of hydrogen peroxide will you need?
ANS:
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