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#4 - The mind and the immune system have been shown to be

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Complete Question Explanation

Strengthen. The correct answer choice is (D)

Basically what this stimulus is saying is that when we behave in a magnanimous way, or do good deeds, it produces beneficial chemicals that stimulate the activity of white blood cells needed to fight infection. This is a must be true question, so we must determine what follows from these premises.

Answer Choice (A): The stimulus does not address motives in any way. Therefore, there is nothing in the stimulus to support this answer choice.

Answer Choice (B): This is basically a mistaken negation of the information in the stimulus. The stimulus is implying that good behavior can help prevent illness; it does not follow that bad behavior would lead to more illness.

Answer Choice (C): This is basically a mistaken reversal of information provided in the stimulus. The stimulus states that good behavior leads to the release of beneficial chemicals; it does not follow that the presence or absence of chemicals influences good behavior.

Answer Choice (D): This is the correct answer choice. It follows from the stimulus information that if magnanimous behavior leads to the release of beneficial chemicals that stimulate white blood cells needed to fight infections, that such behavior is beneficial to the individual.

Answer Choice (E): The stimulus states that white blood cells are stimulated; it says nothing to support a conclusion that constant magnanimous behavior would increase white blood cells radically.
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I have a question about this question .... What in the stimulus would allow me to infer that benefiting your immune system benefits one's "interests"? The two don't seem tantamount with one another .... Please help me
PowerScore Staff
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Hi JK,

Thanks for the question. I appreciate the instinct to be careful not to assume anything that isn't explicitly stated -- generally a good idea with the LSAT. The testmakers however, do appear to take for granted that if it's good for your immune system, it's good for you, i.e. in your "interests". That's a pretty safe assumption to make if you think about it. If something is good for your immune system, it helps you to avoid getting sick or to recover if you do get sick, so that certainly seems to be something we would generally understand as in our "interests". The only other way to think of it would be to try to come up with more outlandish scenarios in which it would be good for you to be sick, or bad to be healthy (for instance, if being sick might get you out of being drafted in a very dangerous war). There are such extraordinary circumstances in the real world, but I think in this case, it's safest to understand that one's interests would include being in better health.

Hope that helps!
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It's stated that this question is a strengthen, however, I have a copy of the Logical Reasoning type training and this exact question is in the MUST BE TRUE/MOST STRONGLY SUPPORTED section??? Which one is a mistake because strengthen questions are not the same.

Malila Robinson
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Hi S2KMo,
This is a Must Be True question, it is saying that the truth contained in the stimulus proves one of the answer choices to be true. That makes it part of the First Family (the Prove Family).
Hope that helps,