Campbell Essential Biology Study Set 3
Quiz 24 :
The Bodys Defenses
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Q31 Q31 Q31
Strep throat can develop from an infection by the bacterium Streptococcus pyogenes. After infection by this bacterium, cells in the body will respond by producing antibodies against the bacterium and the toxins it produces. What type of immune response is being described in this situation?
Q41 Q41 Q41
Jonas Salk's polio vaccine trials of 1954 involved giving placebos to 201,229 children and the polio vaccine to 200,745 children. Out of those in the placebo group, 142 children developed polio, whereas 57 children from the vaccine group developed polio. Approximately how many less times likely was a child to develop polio if he or she were vaccinated?
Q46 Q46 Q46
Maria has a nut allergy and accidentally ate some pine nuts in her salad while eating at a restaurant. Almost immediately after eating them, Maria went into anaphylactic shock, but fortunately she was quickly treated and completely recovered. What treatment option was the best for Maria and why?