LSAT 138 – Section 3 – Question 06

LSAT 138 - Section 3 - Question 06

December 2012

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT138 S3 Q06
+LR
Resolve reconcile or explain +RRE
Causal Reasoning +CausR
Net Effect +NetEff
A
98%
164
B
0%
150
C
1%
151
D
0%
137
E
1%
153
122
130
137
 +Easiest 147.528 +SubsectionMedium

Medical columnist: Some doctors recommend taking vitamin C to help maintain overall health because vitamin C is an antioxidant, a substance that protects the body from certain types of oxygen particles that can trigger disease. People suffering from various ailments are encouraged to take vitamin C to guard against developing other health problems. However, doctors are now discouraging some cancer patients from taking vitamin C, even when they are undergoing therapies with side effects that are detrimental to their overall health.

"Surprising" Phenomenon

Why do doctors discourage some cancer patients from taking vitamin C, even though some doctors encourage people suffering from other illnesses to take vitamin C to guard against developing other health problems?

Objective

The correct answer should help suggest how taking vitamin C might be negative for cancer patients, even if it’s helpful for patients with other illnesses.

A
Some kinds of cancer cells absorb large amounts of vitamin C, which interferes with the oxidation mechanism by which many cancer therapies kill cancer cells.

This helps show that vitamin C could be negative for cancer patients. If some cancer cells interfere with cancer therapies by absorbing lots of vitamin C, taking vitamin C might undermine the effectiveness of cancer therapies.

B
Vitamin C has not been shown to reduce people’s risk of developing cancer, even at the very high dosage levels recommended by some doctors.

Vitamin C is recommended because it helps guard against developing “other health problems.” So, even if it doesn’t help with cancer, it can still guard against other illnesses in a cancer patient. We’d still expect doctors to recommend vitamin C to cancer patients.

C
Cancer cells that are susceptible to certain types of cancer therapies are not likely to be affected by the presence of vitamin C.

Vitamin C is recommended because it helps guard against developing “other health problems.” Even if it doesn’t help with killing cancer cells, it can still guard against other illnesses in a cancer patient. We’d still expect doctors to recommend vitamin C to cancer patients.

D
The better the overall health of cancer patients while undergoing therapy, the more likely they are to experience a full recovery.

This doesn’t tell us anything about vitamin C or how it might affect cancer patients.

E
Certain side effects of cancer therapies that are detrimental to patients’ overall health are not affected by vitamin C.

Vitamin C is recommended because it guards against developing “other health problems.” Even if it doesn’t help with side effects of therapies, it can still guard against other illnesses in a cancer patient. We’d still expect doctors to recommend vitamin C to cancer patients.

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LSAT PrepTest 138 Explanations

Section 1 - Reading Comprehension

Section 2 - Logical Reasoning

Section 3 - Logical Reasoning

Section 4 - Logical Reasoning

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