A community/public health nurse determines there are 200 persons in a particular community who are older than age 65, another 300 younger than 21, and about 1500 persons aged 21 to 65. What is that community's dependency ratio?
a. 1:3
b. 1:8.5
c. 1:9
d. Cannot be determined from the given data
ANS: A
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True False
The three types are drug disposition tolerance, behavioral tolerance, and _________________ tolerance.
Fill in the blank(s) with the appropriate word(s).