Biology Cellular Respiration Case Study Answers

NATIONAL CENTER FOR CASE STUDY TEACHING IN SCIENCE“±e Mystery of the Seven Deaths” by Michaela A. GazdikPage ²Part I – The SymptomsImagine that you work at the medical examiner’s o³ce for a major metropolitan city. As Chief Medical O³cer, you investigate suspicious deaths and provide toxicology services for the county. Unfortunately, it’s been a busy week. In the past ´ve days, seven people have died, all with similar symptoms. It is your job to examine the data and determine the cause of death for these victims.±e ´rst was a ²µ-year-old girl. Her parents said that she was awake in the middle of the night complaining of a stu¶y nose and sore throat. ±ey gave her an extra strength Tylenol and sent her back to bed. At ·am the next morning, the parents discovered that the girl had collapsed on the bathroom ¸oor. An ambulance rushed the girl to a nearby hospital, where she was pronounced dead. ±at same day, paramedics found the second victim unconscious on his kitchen ¸oor after what they thought was an apparent heart attack. Sadly, the victim’s brother and ´ancée also collapsed later that night while the family gathered to mourn his passing. Both had taken Tylenol to help them cope with their loss shortly before collapsing; neither survived.In the next four days, four other similar deaths were reported, all in the same neighborhood and all with similar symptoms. Are these seven deaths related? What is causing these people to die? It is your job to answer these questions before more deaths are reported.

NATIONAL CENTER FOR CASE STUDY TEACHING IN SCIENCE“Te Mystery of the Seven Deaths” by Michaela A. GazdikPage 1Part I – The SymptomsImagine that you work at the medical examiner’s oFce for a major metropolitan city. As Chief Medical OFcer, you investigate suspicious deaths and provide toxicology services for the county. Unfortunately, it’s been a busy week. In the past ±ve days, seven people have died, all with similar symptoms. It is your job to examine the data and determine the cause of death for these victims.Te ±rst was a 12-year-old girl. Her parents said that she was awake in the middle of the night complaining of a stu²y nose and sore throat. Tey gave her an extra strength ³ylenol and sent her back to bed. At 7am the next morning, the parents discovered that the girl had collapsed on the bathroom ´oor. An ambulance rushed the girl to a nearby hospital, where she was pronounced dead. Tat same day, paramedics found the second victim unconscious on his kitchen ´oor after what they thought was an apparent heart attack. Sadly, the victim’s brother and ±ancée also collapsed later that night while the family gathered to mourn his passing. Both had taken ³ylenol to help them cope with their loss shortly before collapsing; neither survived.In the next four days, four other similar deaths were reported, all in the same neighborhood and all with similar symptoms. Are these seven deaths related? What is causing these people to die? It is your job to answer these questions before more deaths are reported.Symptoms exhibited by most patients: • Dizziness• Confusion • Headache• Shortness of breath/rapid breathing• VomitingMost deaths were very rapid, occurring within a few hours of symptoms.Questions1. Are there any similarities or connections between these seven individuals? What questions would you want to ask the families to answer these questions?2. In your opinion, are these seven deaths connected? Why or why not?The Mystery of the Seven Deaths:A Case Study in Cellular RespirationbyMichaela A. GazdikBiology DepartmentFerrum College, Ferrum VA

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