Unit 4

Good Essays
Take a look at the following case studies that detail an outcome associated with a disease/organ malfunction. Select one study to investigate further for your assignment.

Critically evaluate the information provided and correlate it with the organ systems that are affected in the scenario. Use the information that you have gathered to answer the assignment questions that follow the case study. For assistance with your assignment, please use your text, the AIU Library, Web resources, and course materials.

Case Study 1:

Atherosclerosis is narrowing of arteries caused by the accumulation of fatty deposits on the arterial walls.

On June 22, 2002 the St. Louis Cardinals were preparing for their upcoming baseball game against the
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A recent doctor 's visit reveals 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 begins treatment for the lung cancer that has metastasized to his lymph nodes.

Answer the following assignment questions:

What main components in cigarettes affect the respiratory system? Explain their effects on specific organs, cells and/or processes in the respiratory system. 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. Can smoking affect other organ systems of the body? Give specific examples and briefly explain your answer. How can you correlate cellular respiration with the respiratory system? Does smokeless tobacco present a reduced risk for lung cancer and other smoking associated diseases? Provide evidence for your answer.

Case Study 3:

Gigantism is abnormally large growth during childhood caused by excess growth hormone secreted by the anterior pituitary gland.

Robert Wadlow, born on February 22, 1918, weighed a normal eight pounds, six
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