What are some of the implications as people's immune systems change across time?
ANSWER:
Changes in the immune system have important implications as people age. Older adults become more prone to serious consequences of illnesses, such as those caused by viruses, that are easily defeated by younger individuals. Older adults do not seem to benefit as much as younger people from immunizations. Also, the rates of various forms of leukemia, as well as other cancers, increase with age. In addition, the immune system may begin attacking the body in a process called autoimmunity.
Autoimmunity results from an imbalance of B- and T-lymphocytes, giving rise to autoantibodies. Autoimmunity causes several disorders, including rheumatoid arthritis.
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Analysts report that, in the 2016 presidential election, Clinton and Trump together spent roughly__________.
A. $2.4 million B. $24 million C. $2.4 billion D. $1 trillion
In order to apply conversational analysis to the study of instant messaging, a sociologist would
A. look at the patterns in how instant messaging conversations unfold. B. look for ways in which technological change has impacted our attention spans. C. look at instant messaging as a form of cultural change. D. use it as an opportunity to write an editorial on how youth today are distracted.
What were the goals of urban renewal following World War II? Who would consider urban renewal a success? Who would consider it a failure? Why?
What will be an ideal response?
A good way to get a sense of the relative age of a country’s population is to compare the
a. average age. b. median age. c. proportional age. d. average marriage age.