LSAT 152 – Section 4 – Question 07

LSAT 152 - Section 4 - Question 07

November 2018

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Question QuickView	Type	Tags	Answer Choices	Curve	Question Difficulty	Psg/Game/S Difficulty	Explanation
PT152 S4 Q07	+LR	Except +Exc Strengthen +Streng Causal Reasoning +CausR	A 13% 158 B 77% 163 C 2% 154 D 4% 156 E 3% 159	133 146 159	+Medium	147.181 +SubsectionMedium

Nutritionist: Contrary to popular belief, a high-calcium diet does not prevent osteoporosis (decrease in bone density). Rather, a low-protein diet with an abundance of fruits and vegetables and a minimum quantity of meat and dairy products is essential for the prevention of the condition. Weight-bearing exercise, such as walking or climbing stairs, is also essential, since bones thicken when they withstand regular resistance.

Summarize Argument

The nutritionist claims—with no support—that a high-calcium diet doesn’t prevent osteoporosis but a low-protein, low-meat, low-dairy, high-fruit-and-vegetable diet is essential for preventing it. She also claims that weight-bearing exercise is essential for the prevention of osteoporosis, and cites support: regular resistance causes bones to thicken.

Notable Assumptions

The nutritionist assumes weight-bearing exercise provides regular resistance not provided by non-weight-bearing exercise. Every incorrect answer will strengthen that assumption or offer support for her other claims—that a high-calcium diet doesn’t prevent osteoporosis, and that a low-protein, low-meat, low-dairy, high-fruit-and-vegetable diet is essential for preventing osteoporosis.

Astronauts who have lived in the weightless environment of space have exhibited decreases in bone density despite vigorous physical activity.

This supports the nutritionist’s assumption that weight-bearing exercise offers more regular resistance than non-weight-bearing exercise. It points out a group that exercised in a non-weight-bearing way and suffered high rates of osteoporosis.

Certain medical therapies that do not involve special diets can be effective means of preventing osteoporosis.

This implies a low-meat-and-dairy, high-fruit-and-vegetable diet isn’t actually necessary for preventing osteoporosis. It casts doubt on the nutritionist’s claim that such a diet is essential.

Populations in countries with the lowest per capita rates of protein consumption have some of the lowest incidences of osteoporosis.

This supports the nutritionist’s claim that low-protein diets are essential for preventing osteoporosis by pointing out a correlation between low protein intake and low rates of osteoporosis.

Arctic peoples, who consume large amounts of calcium, exhibit one of the highest rates of osteoporosis in the world.

This supports the nutritionist’s claim that high-calcium diets are not essential for preventing osteoporosis by pointing out a counterexample: one population with both high calcium consumption and high rates of osteoporosis.

The incidence of osteoporosis is unusually low among strict vegetarians with low-protein diets.

This supports the nutritionist’s claim that low-protein, low-meat diets are essential for preventing osteoporosis by pointing to an example: low-protein vegetarians, who suffer osteoporosis at low rates.

LSAT 152 – Section 4 – Question 07

LSAT 152 - Section 4 - Question 07

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LSAT PrepTest 152 Explanations

Section 1 - Logical Reasoning

Section 2 - Logical Reasoning

Section 3 - Reading Comprehension

Section 4 - Logical Reasoning

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