Course
Evolution
Study Pack
Set 14 Evolution And Human Health
Question 1
(Multiple Choice)
Free
The specific parts of foreign proteins that the immune system recognizes and "remembers" are called ________.
A) receptor sites
B) binding sites
C) antibody sites
D) antigenic sites
E) None of the above.
Answer
Question 2
(Multiple Choice)
Free
In the late 1980s and early 1990s,the percentage of Icelandic children whose bacterial infections were caused by bacteria resistant to penicillin rose at an alarming rate.After public health officials initiated a campaign to reduce the use of penicillin,resistance dropped off.(See the accompanying figure.) 
This observation is consistent with the hypothesis that ________.
This observation is consistent with the hypothesis that ________.
A) bacteria generate mutations so that they can evolve in order to become better adapted to their environment
B) the use of antibiotics generates mutations in bacteria that affects their resistance
C) antibiotics really have no effect on bacterial resistance; such fluctuations are natural and occur whether we use antibiotics or not
D) bacterial populations evolve in response to the selection pressure imposed by antibiotics
Answer
Question 3
(Multiple Choice)
Free
Research on conditions that are relatively new to human populations such as myopia,breast cancer,and obesity support the conclusion that ________.
A) human populations have accumulated a number of mutations that have become fixed by genetic drift
B) the changes in human lifestyle account for all of the increase in frequencies of these conditions
C) these conditions are indeed "diseases of civilization" and are likely caused by the interaction between genes (genetic susceptibility) and novel environments
D) these human conditions are mere artifacts of the way in which they have been evaluated
Answer