LSAT-0106-2-19

yzlinlin · 发表于 2003-11-29 22:33:00

19.

eople should avoid taking the antacid calcium carbonate in doses larger than half a gram, for despite its capacity to neutralize stomach acids, calcium carbonate can increase the calcium level in the blood and thus impair kidney function. Moreover, just half a gram of it can stimulate the production of gastrin, stomach hormone that triggers acid secretion.
Which one of the following is most strongly supported by the information above?
(A) Cessation of gastrin production is a more effective method of controlling excess stomach acid than is direct neutralization of stomach acid.
(B) People who avoid taking more than half a gram of calcium carbonate are less likely than average to suffer from impaired kidney function.
(C) Doses of calcium carbonate smaller than half a gram can reduce stomach acid more effectively than much larger doses do.
(D) Half a gram of calcium carbonate can causally contribute to both the secretion and the neutralization of stomach acids.
(E) Impaired kidney function may increase the level of calcium in the blood.

答案D。但觉得B也符合题意，还是说不如D好？

iinobscurity · 发表于 2003-12-1 01:03:00

I think B is unrelevant,
B indicates that people who avoid to take more than half a gram of calcium carbonate
have LESS chance of suffering from impaired kidney function Than average of mankind
What he said is " calcium carbonate can INCREASE　the calcium level in the blood and thus impair kidney "

Bensontuo · 发表于 2019-7-27 13:19:02

yzlinlin 发表于 2003-11-29 22:33
19.   &nbspeople should avoid taking the antacid calcium carbonate in doses larger ...

Question 19

Question type -. spot necessary assumption as the inference from the question

P1: ACC ---> Neutralize stomach acids

P2: ACC ---> increase the calcium level in the blood ---> Impair kidney function

P3: 0.5 G of ACC ---> production of gastrin ---> acid secretion

C: People should not take acc larger than 0.5

1. possible answer:

with more than 0.5 g of the acc, calcium level in the blood increased and thus impair kidney function.

So, no impair kidney function ---> no calcium level in the blood increased ---> No more than 0.5 G of the acc ( Exactly as 0.5 or less than 0.5 ) ---> neutralized stomach acid +Production of G ---> acid secretions.

A. we dont know if direct neutralization of stomach acid is either more effective or not if there is no g production.

B. No more than 0.5 Acc ---> Less likely than average to suffer impaired kidney function.

So, correlation would never prove a claim, it can strengthen a claim, but never strong enough to support it. Let us dive into the other answers first.

C. Apparently, there is no inference could be made from this comparative relationship

D. Just as what we inferred above. Correct answer.

E. No support at all

LSAT-0106-2-19

LSAT 2001年6月 SECTION II 第19题

LSAT-0106-2-19

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