LSAT 155 – Section 4 – Question 03
LSAT 155 - Section 4 - Question 03
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| Question QuickView |
Type | Tags | Answer Choices |
Curve | Question Difficulty |
Psg/Game/S Difficulty |
Explanation |
|---|---|---|---|---|---|---|---|
| PT155 S4 Q03 |
+LR
| Must be true +MBT Conditional Reasoning +CondR Kick It Up +KIU | A
2%
148
B
3%
148
C
2%
147
D
91%
161
E
1%
149
|
134 141 147 |
+Easier | 147.589 +SubsectionMedium |
Researcher: Newly formed neurons can help to heal an injured brain but only if they develop into the type of neurons that are most common in the injured area. Studies have shown that when a part of the brain called the striatum is injured, newly formed neurons in the striatum never become midsized spiny neurons, the type most common in the striatum.
Summary
The stimulus can be diagrammed as follows:
Notable Valid Inferences
If the striatum is injured, then newly formed neurons will not help heal the injury.
A
Newly formed neurons sometimes develop into midsized spiny neurons in areas of the brain other than the striatum.
Could be false. We don’t have any information about neuron development into midsized spiny neurons outside of the striatum.
B
Newly formed neurons are commonly found in injured areas of the brain shortly after the injury occurs.
Could be false. We don’t know anything about the amount of time between injury and appearance of newly formed neurons.
C
Midsized spiny neurons are not the most common type of neuron in any part of the brain other than the striatum.
Could be false. We don’t know anything about what kinds of neurons are most common in areas of the brain other than the striatum.
D
In cases of injury to the striatum, newly formed neurons will not help to heal the injury.
Must be true. As shown below, by chaining the conditional relationships, we know that if the striatum is injured, then the newly formed neuron will not help heal the injury.
E
In most cases of brain injury, newly formed neurons do not help to heal the injury.
Could be false. We don’t have any information about the quantity of brain injuries that are or aren’t healed with the assistance of newly formed neurons.
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LSAT PrepTest 155 Explanations
Section 1 - Logical Reasoning
- Question 01
- Question 02
- Question 03
- Question 04
- Question 05
- Question 06
- Question 07
- Question 08
- Question 09
- 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 2 - Logical Reasoning
- Question 01
- Question 02
- Question 03
- Question 04
- Question 05
- Question 06
- Question 07
- Question 08
- Question 09
- 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
- Question 26
Section 3 - Reading Comprehension
- Passage 1 – Passage
- Passage 1 – Questions
- Passage 2 – Passage
- Passage 2 – Questions
- Passage 3 – Passage
- Passage 3 – Questions
- Passage 4 – Passage
- Passage 4 – Questions
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