PT 36 - Dec 2001 Sec.1 Q18

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Ragged
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PT 36 - Dec 2001 Sec.1 Q18

Postby Ragged » Sun May 09, 2010 11:28 pm

Please explain to me what the correct answer is and why.

Cambridge LSAT
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Re: PT 36 - Dec 2001 Sec.1 Q18

Postby Cambridge LSAT » Mon May 10, 2010 12:29 am

Conclusion: moderate exercise lowers the risk of arterial blockage due to blood clots

P1: lowers blood cholesterol → lowers the risk of hardening arteries → lowers the risk of arterial blockage due to blood clots
P2: data are correct → moderate exercise lowers blood cholesterol

If the sufficient condition of P2 is assumed, we can plug moderate exercise into the front end of the P1 chain:
moderate exercise → lowers blood cholesterol → lowers the risk of hardening arteries → lowers the risk of arterial blockage due to blood clots

Thus, choice D is correct.

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Ragged
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Re: PT 36 - Dec 2001 Sec.1 Q18

Postby Ragged » Mon May 10, 2010 2:42 am

Thank you Cambridge. I'm an idiot. I had all the relationships worked out but I failed to realize that the first sentence, not the last, was the conclusion. Go me.




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