The major risk factor for chronic bronchitis is A. dust in the air. B. family history. C. previous allergies. D. cigarette smoking.

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The major risk factor for chronic bronchitis is D. cigarette smoking.

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Asked 9/3/2010 3:33:24 PM

Updated 2/15/2014 2:11:46 PM

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Edited by yumdrea [2/15/2014 2:11:43 PM], Confirmed by yumdrea [2/15/2014 2:11:46 PM]

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The theory that a drug attaches itself to specialized cells in the body because of its size, shape, electrical charge, and chemical properties is called the A. pharmacological attachment theory. B. receptor site theory. C. drug physiology theory. D. drug interaction theory.

Weegy: D is the correct answer choice. (More)

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Updated 1/2/2017 9:46:08 AM

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alfred123

The theory that a drug attaches itself to specialized cells in the body because of its size, shape, electrical charge, and chemical properties is called the: receptor site theory.

Added 1/2/2017 9:45:34 AM

This answer has been confirmed as correct and helpful.

Confirmed by Janet17 [1/2/2017 9:46:45 AM]

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