PT137.S2.Q5 > Question

SECTION 1 · rc

PASSAGE 1

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7

PASSAGE 2

Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14

PASSAGE 3

Question 15 Question 16 Question 17 Question 18 Question 19

PASSAGE 4

Question 20 Question 21 Question 22 Question 23 Question 24 Question 25 Question 26 Question 27

SECTION 2 · lr

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14 Question 15 Question 16 Question 17 Question 18 Question 19 Question 20 Question 21 Question 22 Question 23 Question 24 Question 25

SECTION 3 · lr

SECTION 4 · lr

Testosterone protects brain cells from injury. Testosterone reduces levels of beta-amyloid, a protein, in the brain. Beta-amyloid has a causal relationship with Alzheimer’s disease. People whose brain cells are more susceptible to injury are probably more likely to get Alzheimer’s.

Testosterone protects against Alzheimer’s by reducing the likelihood of brain cell injury. A decline in testosterone increases the risk of Alzheimer’s disease.

This is unsupported because we don’t know that being susceptible to brain cell injury is a sufficient condition for Alzheimer’s disease. We only know that people susceptible to brain cell injury are probably more susceptible to Alzheimer’s disease.

This is unsupported because the stimulus leaves open the possibility that other factors besides beta-amyloid influence Alzheimer’s development.

This is unsupported because the causation may be the other way around. Reductions in testosterone may lead to Alzheimer’s disease.

This is unsupported because people susceptible to brain cell injury may have low testosterone with no Alzheimer’s disease.

This is strongly supported because a decline in testosterone leads to increased susceptibility to brain injury, which probably makes someone more likely to develop Alzheimer’s disease.

PrepTest 137 - Section 2 - Question 5

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