Smoking impairs cilia because the toxins paralyze and can destroy the cilia. Based on this loss of function, explain which types of infections smokers would be more susceptible to.
What will be an ideal response?
Answer: The cilia move debris to exit the respiratory tract. In the absence of cilia, the smoker would be more susceptible to respiratory tract infections and bacterial infections. The smoker may have an increased risk for CF because of the mucous build up in the respiratory track not managed by the cilia.
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A. acromegaly B. dwarfism C. decreased plasma concentration of IGF-I D. decreased secretion of somatostatin E. increased secretion of growth hormone-releasing hormone (GHRH)
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a)aldosterone b)ADH c)PTH d)ANH
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A. 100% B. 50% C. 25% D. 0%
Which of the following could be used to study general features of cells?
A. binoculars B. scanning electron microscope C. transmission electron microscope D. light microscope E. a magnifying glass