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People should avoid

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People should avoid

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People 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.

Can some experts provide the explanation to the best option?

OA D

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lheiannie07 wrote:
People 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.

Can some experts provide the explanation to the best option?

OA D
We're told that calcium carbonate has the "capacity to neutralize stomach acids." We're also told that half a gram and stimulate production of a hormone that triggers acid secretion. That's what D gives us.

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