LSATHacks
  • Explanations
  • Tutoring
  • Courses
  • Login
  • Cart
  • Explanations
  • Tutoring
  • Courses
  • Login
  • Cart
LSAT Explanations › PrepTest 134 › Section 1

Logical Reasoning

PrepTest 134 Section 1

Find the question you’re working on. Explore the reasoning, understand each answer, and learn from your mistakes.

25 question explanationsScored section

Choose a question

Explanations for every question, find them by number or text.

  1. Q1:
    Sometimes it is advisable for a medical patient to seek…Identify the Conclusion

    There are many reasons why getting a second doctor's opinion can be awkward.

  2. Q2:
    There are 70 to 100 Florida panthers alive today…Must Be True

    Florida panthers need a larger habitat for their population to grow.

  3. Q3:
    Political scientist: Efforts to create a more…Method of Reasoning

    We can create a society that is both diverse and equal.

  4. Q4:
    Physician: In an experiment, 50 patients with chronic…Weaken

    Magnetic fields can reduce back pain.

  5. Q5:
    Kennel club members who frequently discipline their…Flawed Reasoning

    Discipline makes dogs behave badly.

  6. Q6:
    The number of tornadoes recorded annually in North…Paradox

    We spot more tornados, but weather scientists say that no more tornados are forming.

  7. Q7:
    Recently, a report commissioned by a confectioners…Flawed Reasoning

    The vast majority of foods will eventually be reported to be good for you.

  8. Q8:
    According to the "bottom-up" theory of how ecosystems…Weaken

    Removing predators won't hurt an ecosystem.

  9. Q9:
    If a child is to develop healthy bones, the child's…Flawed Parallel Reasoning

    If a kid has unhealthy bones, it's because they didn't eat enough calcium. (~~HB~~ ➞ ~~C~~)

  10. Q10:
    History provides many examples of technological innovations…Weaken

    Inertia is more important than our desire comfort or safety.

  11. Q11:
    In considering the fact that many people believe that…Sufficient Assumption

    Flattery didn't cause the promotions.

  12. Q12:
    The government is being urged to prevent organizations…Principle – Strengthen

    We shouldn't censor groups that argue it's good to eat raw meat.

  13. Q13:
    Medical researcher: Scientists compared a large group…Weaken

    Stretching doesn't help joggers prevent injuries.

  14. Q14:
    Superconductor development will enable energy to be…Role in Argument

    Superconductors will increase industrial productivity.

  15. Q15:
    The French novelist Colette (1873-1954) has been…Necessary Assumption

    Colette wasn't indifferent to moral questions.

  16. Q16:
    The view that every person is concerned exclusively…Flawed Reasoning

    The social theorists in question think that trying to achieve democracy is useless.

  17. Q17:
    Archaeologist: The mosaics that were removed from…Strengthen

    We should have left the mosaics in the archaeological site that was going to be flooded.

  18. Q18:
    Traffic engineers have increased the capacity of the…Must Be True

    Financial Predicament Resolved ➞ traffic flow increased ➞ computer modeling investment. (F ➞ T ➞ CM)

  19. Q19:
    Court analyst: Courts should not allow the use of DNA…Flawed Reasoning

    Courts *shouldn't* allow DNA evidence.

  20. Q20:
    Members of the VideoKing Frequent Viewers club…Must Be True

    Member + more than ten ➞ coupon only at your local store.

  21. Q21:
    Game show winners choosing between two equally…Parallel Reasoning

    Ed will choose the expensive prize

  22. Q22:
    Microbiologist: Because heavy metals are normally concentrated…Strengthen

    Heavy metals in sludge make bacteria resistant to antibiotics.

  23. Q23:
    Ethicist: Marital vows often contain the promise to…Sufficient Assumption

    Love doesn't mean "feelings" when used in marital vows.

  24. Q24:
    Principle: If a food product contains ingredients…Principle — Flawed Reasoning

    We don't need to label this food as containing genetically engineered ingredients.

  25. Q25:
    Editorial: The town would not need to spend as much as…Role in Argument

    The voluntary recycling system is better.

About this section

Originally Section 1 of PrepTest 64, administered in October 2011.

Question types

Flawed Reasoning4 · 16%
Weaken4 · 16%
Must Be True3 · 12%
Role in Argument2 · 8%
Strengthen2 · 8%
Sufficient Assumption2 · 8%
Flawed Parallel Reasoning1 · 4%
Identify the Conclusion1 · 4%
Method of Reasoning1 · 4%
Necessary Assumption1 · 4%
Paradox1 · 4%
Parallel Reasoning1 · 4%
Principle – Strengthen1 · 4%
Principle — Flawed Reasoning1 · 4%

Based on our explanation classifications. Each of the 25 questions is counted once.

Section 2: Logical Reasoning
All PrepTest 134 explanations

Hi, I'm Graeme Blake

I scored a 177 on the LSAT. I founded LSATHacks and created the LSAT Mastery Seminars to help students succeed.

I’ve personally written explanations for 5,000+ LSAT questions. If you find these explanations helpful, you'll definitely like our courses.

Join my email list for LSAT study tips and resources.

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Resources

  • Articles
  • Blog
  • Free Email Course
  • LSAT Preptest Converter
  • Experimental Section Checker
  • LSAT Prep Books

About LSATHacks

  • About/Contact
  • Courses
  • Free Trial

Community

  • Discord
  • Social Media
  • Webinars
Disclaimer: Use of these explanations requires official LSAT preptests. LSAT is a registered trademark of LSAC.
LSAC does not review or endorse specific test preparation materials or services and has not reviewed this site.

© Copyright 2026 LSATHacks. All Rights Reserved. | Privacy | Terms