Three patients present with a similar symptom—chest pain. The first is an 18-yea

Three patients present with a similar symptom—chest pain. The first is an 18-year-old female, nonsmoker, and very thin. The second is a 36-year-old male, nonsmoker, and within a normal weight range. The third is a 62-year-old female, heavy smoker for 30 years, and slightly overweight. Begin your paper with a discussion on the primary functions of the respiratory system and how this system is impacted as our body ages. Then for each patient:
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Indicate what information you want to obtain and what tests you may want to run.
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Indicate what medical condition/disease might be present in each case and why.
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Discuss what other body systems, if any, would also be affected by this condition/disorder.
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Discuss your proposed next steps and treatment considerations for each.
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All submissions should be formatted in a 12 point Times New Roman font. Your answer should contain paraphrased information from at least one valid source other than your textbook, and all citations and references should be properly cited in APA format (7th edition).
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Reference Textbook: Homepage ? Cengage EMEA. (n.d.). https://www.cengage.com/c/fundamentals-of-anatomy-and-physiology-44-4th-edition-4e-rizzo/9781285174150/