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- n the ancient world, leprosy was greatly feared, and people with the disease were often ostracized from society. Why was leprosy so feared? Are there modern diseases that evoke similar fears and for which infected people are ostracized? If so, give some examples. What characteristics of a disease produce this response on the part of society? Are any of these modern diseases caused by bacteria or viruses?In Ingested poisoning and carbon monoxide poisoning, how does a person get this disease? Is it genetic? Is it contagious?Vitiligo is (a) an autoimmune disorder, (b) contagious, (c) caused by the herpes simplex virus, (d) characterized by painful blisters.
- You are a science teacher and you observed that two students in your class are showing signs of chicken pox. what step should be taken to address this issue?Because of improved treatments, individuals with sickle-cell disease are now living into their forties, fifties, or longer. How might this extension of life span affect the prevalence of sickle-cell disease in the population?Why did Ebola spread so easily across the world in 2014? A. Because the digital age quickly spread misinformation about Ebola online. B. Because criminals were easily able to send the Ebola virus through worldwide mail. C. Airline travel made it easy for infected people who were symptomless to travel the world. D. Because laboratories were easily able to ship the Ebola virus across the world.
- How does the immune response to yearly flu differ from that of the avian flu? How does this relate to the characteristics of infection with avian flu?The Ebola epidemic spread to ten countries, but it never officially became what is known as a pandemic. What are the differences between the two terms?Why is it that most people get the chicken pox only once, but they can get a cold or the flu over and over again throughout a lifetime?
- Why did Ebola spread so easily across the world in 2014? A. Because laboratories were easily able to ship the Ebola virus across the world. B. Because criminals were easily able to send the Ebola virus through worldwide mail. C. Airline travel made it easy for infected people who were symptomless to travel the world. D. Because the digital age quickly spread misinformation about Ebola onlineWhich of the following sudden changes might be a result of an infection? a. increase in the activity of white blood cells b. decrease in the activity of antigens produced by the mitochondria c. decrease in the amount of DNA present in the nuclei of cells d. increase in the number of red blood cellsA young girl who had never been immunized to tetanus stepped on a rusty nail and got a deep puncture wound. The doctor cleaned out the wound and gave the child an injection of tetanus antitoxin. Why was antitoxin given instead of a booster shot of tetanus toxoid? If the girl receives no further treatment and steps on a rusty nail again 3 years later, will she be immune to tetanus?
