TEST BANK FOR HEALTH ASSESSMENT FOR NURSING PRACTICE 6TH EDITION BY WILSON Chapter 11: Lungs and Respiratory System

A patient tells the nurse that she has smoked 2 packs of cigarettes a day for 20 years. The

nurse records this as how many pack-years?

a. 10

b. 20

c. 40

d. 60

ANS: C

Two packs of cigarettes 20 years = 40 pack-years. This incorrect calculation was made by

dividing 20 years by 2 packs. Option B is correct if the patient smoked 1 pack per day for 20

years. Option D is...
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