Biology

Case Study 2:

Cigarette smoking remains the leading preventable cause of death in the United States, causing an estimated 438,000 deaths—or about 1 out of every 5 smokers—each year (Woloshin, Schwartz, & Welch, 2008).

Mr. Amos is 57 years old and has been smoking for the past 30 years of his life. A recent doctor’s visit revealed that Mr. Amos has stage-3 lung cancer, characterized by his symptoms of nagging chest pain, fatigue, coughing up blood, substantial weight loss, and increased carbon dioxide levels in his blood. The doctor informed Mr. Amos that had he quit his smoking habit several years ago, he would have reduced his risk for developing lung cancer later in life. Mr. Amos immediately began treatment for the lung cancer that had metastasized to his lymph nodes.

Answer the following 3 questions regarding this case study:

  1. Briefly describe the respiratory system. What main components in cigarettes affect the respiratory system? Explain the effect of 2 compounds on specific organs, cells, and processes in the respiratory system.
  2. There are alternate mechanisms of transporting carbon dioxide (CO2) and oxygen (O2) in the blood. Explain how smoking might lead to increased levels of carbon dioxide in the blood.
  3. Can smoking affect other organ systems of the body? Give specific examples, and briefly explain your answer.

Follow these guidelines for your APA research paper:

  • Utilize at least 2 credible sources to support the arguments presented in the paper. Make sure you cite them appropriately within your paper, and list the references in APA format on your Reference page.
  • In accordance with APA formatting requirements, your paper should include an Abstract, Title, and Reference page; should be double-spaced; and should include a running head and page numbers. Your paper should be 2–3 pages in length, not counting the Title page, Abstract, and Reference page.

References

Alman, L. K. (2002). Heart disease can hit even the young, like Kile. The New York Times. Retrieved from https://www.nytimes.com/2002/06/25/sports/baseball-heart-disease-can-hit-even-the-young-like-kile.html

Woloshin, S., Schwartz, L, & Welch, H. G. (2008). The risk of death by age, sex, and smoking status in the United States: Putting health risks in context. Retrieved from https://academic.oup.com/jnci/article/100/12/845/882914

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