Ch 02B Metric System and Medication Calculations

Chapter 02B: Metric System and Medication Calculations
Mulholland: The Nurse, The Math, The Meds


ESSAY

1. Give medication X for a systolic blood pressure greater than or equal to 160. Write the
symbol for the italicized phrase.

ANS:


2. Hold the medication if the fever is less than 38° C. Write the symbol for the italicized phrase.

ANS:
<

3. Write the Arabic numerals for XXX.

ANS:
30

4. Write the Roman numeral for 15.

ANS:
XV

5. Write the product of and . Reduce to lowest terms. Label the numerator and the
denominator in the answer.

ANS:



6. Write two factors of the number 25 other than the number 1.

ANS:
5, 25

7. Write two common factors of 6 and 18 other than the number 1.

ANS:
3, 6

8. Write three multiples of the number 3.

ANS:
3 (3  1); 6 (3  2); 9 (3  3)

9. Write out 103 to illustrate the calculation and show the result. Which number is the base?
Which number is the exponent?

, ANS:
10  10  10 = 1000; 10 is the base; 3 is the exponent

10. Which is greater: 0.259 or 0.5?

ANS:
0.5

11. Which is smaller: or 0.5?

ANS:

= 0.004

12. Multiply: 1  2 . Reduce to lowest terms.

ANS:




13. Divide: 1 . Reduce to lowest terms.

ANS:



14. Round 6.565 to the nearest
a. hundredth:
b. tenth:
c. whole number:

ANS:

a. 6.57
b. 6.6
c. 7

15. Change to a
a. decimal:
b. percentage:

ANS:

a. 0.333
b. 33 %

16. Change 0.35