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14 Jan 2022, 02:17
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83% (01:22) correct
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Osteoporosis is a disease that reduces bone mass, leading to fragile bones that break easily. Current treatments for osteoporosis such as estrogen or calcitonin help prevent further loss of bone but do not increase bone mass. Since fluoride is known to increase bone mass, administering fluoride to osteoporosis patients would therefore help make their bones less susceptible to breaking.
Which of the following, if true, most seriously weakens the argument above?
(A) Most people who suffer from osteoporosis are not aware that the administration of fluoride can increase bone mass.
(B) Fluoride is added to drinking water in many locations in order to strengthen the teeth of people who drink the water.
(C) The risk of contracting osteoporosis and other degenerative bone diseases is lessened by exercise and an adequate intake of calcium.
(D) Unlike administration of fluoride, administration of estrogen or calcitonin is known to cause undesirable side effects for many people.
(E) The new bone mass that is added by the administration of fluoride is more brittle and less elastic than normal bone tissue.
Which of the following, if true, most seriously weakens the argument above?
(A) Most people who suffer from osteoporosis are not aware that the administration of fluoride can increase bone mass.
(B) Fluoride is added to drinking water in many locations in order to strengthen the teeth of people who drink the water.
(C) The risk of contracting osteoporosis and other degenerative bone diseases is lessened by exercise and an adequate intake of calcium.
(D) Unlike administration of fluoride, administration of estrogen or calcitonin is known to cause undesirable side effects for many people.
(E) The new bone mass that is added by the administration of fluoride is more brittle and less elastic than normal bone tissue.
gloomybison
Joined: 30 Mar 2021
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Schools: Yale '26 (A) LBS '26 (WL) Booth '26 (A) Columbia CBS'26 (A) Kellogg '26 (A) Tuck '26 (A) Wharton '26 (D) Sloan '26 (D)
GMAT 1: 720 Q51 V36
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Schools: Yale '26 (A) LBS '26 (WL) Booth '26 (A) Columbia CBS'26 (A) Kellogg '26 (A) Tuck '26 (A) Wharton '26 (D) Sloan '26 (D)
GMAT 1: 720 Q51 V36
Posts: 223
14 Jan 2022, 06:11
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(A) Most people who suffer from osteoporosis are not aware that the administration of fluoride can increase bone mass.
We care whether fluoride is suitable to increase bone mass to make bones less susceptible to breaking. So whether people are aware is not our concern
(B) Fluoride is added to drinking water in many locations in order to strengthen the teeth of people who drink the water.
If anything this is strengthening the argument
(C) The risk of contracting osteoporosis and other degenerative bone diseases is lessened by exercise and an adequate intake of calcium.
Irrelevant we care about fluoride's effect not calcium's
(D) Unlike administration of fluoride, administration of estrogen or calcitonin is known to cause undesirable side effects for many people.
It can cause side effect but argument's concern is whether fluoride strengthens the bones and make them less susceptible to breaking
(E) The new bone mass that is added by the administration of fluoride is more brittle and less elastic than normal bone tissue.
Correct
if the new bone mass is brittle and less elastic it means that it is much more susceptible to breaking than it was
We care whether fluoride is suitable to increase bone mass to make bones less susceptible to breaking. So whether people are aware is not our concern
(B) Fluoride is added to drinking water in many locations in order to strengthen the teeth of people who drink the water.
If anything this is strengthening the argument
(C) The risk of contracting osteoporosis and other degenerative bone diseases is lessened by exercise and an adequate intake of calcium.
Irrelevant we care about fluoride's effect not calcium's
(D) Unlike administration of fluoride, administration of estrogen or calcitonin is known to cause undesirable side effects for many people.
It can cause side effect but argument's concern is whether fluoride strengthens the bones and make them less susceptible to breaking
(E) The new bone mass that is added by the administration of fluoride is more brittle and less elastic than normal bone tissue.
Correct
if the new bone mass is brittle and less elastic it means that it is much more susceptible to breaking than it was
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