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04 Jan 2019, 07:51
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
95%
(hard)
Question Stats:
24% (02:18) correct
76%
(02:29)
wrong
based on 1540
sessions
History
Date
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Moderate exercise lowers the risk of blockage of the arteries due to blood clots, since anything that lowers blood cholesterol levels also lowers the risk of hardening of the arteries, which in turn lowers the risk of arterial blockage due to blood clots; and, if the data reported in a recent study are correct, moderate exercise lowers blood cholesterol levels.
The conclusion drawn above follows logically if which one of the following is assumed?
(A) The recent study investigated the relationship between exercise and blood cholesterol levels.
(B) Blockage of the arteries due to blood clots can be prevented.
(C) Lowering blood cholesterol levels lowers the risk of blockage of the arteries.
(D) The data reported in the recent study are correct.
(E) Hardening of the arteries increases the risk of blockage of the arteries due to blood clots.
The conclusion drawn above follows logically if which one of the following is assumed?
(A) The recent study investigated the relationship between exercise and blood cholesterol levels.
(B) Blockage of the arteries due to blood clots can be prevented.
(C) Lowering blood cholesterol levels lowers the risk of blockage of the arteries.
(D) The data reported in the recent study are correct.
(E) Hardening of the arteries increases the risk of blockage of the arteries due to blood clots.
07 Jan 2019, 00:10
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Gladiator59
Premises:
if the data reported in a recent study are correct, moderate exercise lowers blood cholesterol levels.
anything that lowers blood cholesterol levels also lowers the risk of hardening of the arteries,
Lower risk of hardening of the arteries lowers the risk of arterial blockage due to blood clots;
Conclusion: Moderate exercise lowers the risk of blockage of the arteries due to blood clots
Note the leap we have made. The premise says that "if the data reported are correct", moderate exercise lowers cholesterol. But we have concluded that moderate exercise does lower the risk of blockage.
The argument goes like this:
If A, B lowers C,
C lowers D.
D lowers E.
Hence, B lowers E.
But hey, the argument says "if A, then B lowers C"
But we are concluding that B does lower E. Hence we are assuming that A is correct.
So we are assuming that the data reported are correct.
If data reported are not correct (negate the assumption), then B doesn't necessarily lower C. Then can we say B lowers E? No. It may or may lower E. So our conclusion fails.
nightblade354
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Expert reply
06 Jan 2019, 11:15
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Arro44 and Gladiator59,
This question is not the type of assumption question you would see on the GMAT. This type of LSAT question is called a pseudo-sufficient (fake assumption) question. It is more of a paradox resolve/strengthen/weaken question than anything else. You cannot negate these answer types to get your answer.
I hope this resolves the issues that people are having with it.
This question is not the type of assumption question you would see on the GMAT. This type of LSAT question is called a pseudo-sufficient (fake assumption) question. It is more of a paradox resolve/strengthen/weaken question than anything else. You cannot negate these answer types to get your answer.
I hope this resolves the issues that people are having with it.
