Free Practice Question
CR · Critical Reasoning
sub-505
Resolve a Paradox
Switching to “low-yield” cigarettes, those that yield less nicotine, tar, and carbon monoxide than regular cigarettes when tested on a standard machine, does not, in general, reduce the incidence of heart attack. This result is surprising, since nicotine and carbon monoxide have been implicated as contributing to heart disease.
Which one of the following, if true, most helps to resolve the apparent discrepancy?
Which one of the following, if true, most helps to resolve the apparent discrepancy?
Answer Choices
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Smoking low-yield cigarettes has become fashionable, as relatively healthier styles of life have become more popular than those that have been identified as risky.
B
For those who are themselves smokers, inhaling the smoke of others is not generally a significant factor contributing to an increased risk of heart disease.
C
Nicotine does not contribute as much as to heart disease as does carbon monoxide.
D
Carbon monoxide and cigarette tar are not addictive substances.
E
People who switch from high-yield to low-yield cigarettes often compensate by increasing the number and depth of puffs in order to maintain their accustomed nicotine level.
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Difficulty
sub-505
Type
CR