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Reasoning - Logical Reasoning:

Logical Reasoning

MCQ - 98-8050

Pharmacists recently conducted a study with respect to the reasons their customers purchased eye drops to soothe eye dryness. Dry eyes were more frequently experienced by customers who wore contact lenses than by customers who did not wear contact lenses. The pharmacists concluded that wearing contact lenses, by itself, can cause contact wearers to have dry eyes.

Question:

Pharmacists recently conducted a study with respect to the reasons their customers purchased eye drops to soothe eye dryness. Dry eyes were more frequently experienced by customers who wore contact lenses than by customers who did not wear contact lenses. The pharmacists concluded that wearing contact lenses, by itself, can cause contact wearers to have dry eyes.

Which one of the following statements, if true, most seriously undermines the pharmacists’ conclusion?

  1. An inherited condition can cause both weak eyesight and dry eyes.
  2. Physical exertion causes dry eyes in many people who wear contact lenses.
  3. Most people who have dry eyes do not wear contact lenses.
  4. Physical exertion causes dry eyes in many people who wear contact lenses.
  5. Both weak vision and dry eyes cause headaches.

Correct Answer: A

Explanation:

This argument does not consider that an outside factor may cause some people to have both poor vision and dry eyes. Selection (A) provides an outside factor for both conditions. It is the correct answer. Selection (D) is tempting, but don’t be misled. Even if most people who wear contact lenses do not have dry eyes, this does not weaken the argument because it is based on the incidence of dry eyes between people who wear contact lenses and those who do not. Secondly, the author does not argue that wearing contact lenses must cause dry eyes, only that it can cause dry eyes.

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243 MCQ for effective preparation of the test of Logical Reasoning of Logical Reasoning section.

Read the MCQ statement: Pharmacists recently conducted a study with respect to the reasons their customers purchased eye drops to soothe eye dryness. Dry eyes were more frequ .... macists’ conclusion?, keenly and apply the method you have learn through the video lessons for Logical Reasoning to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 98-8050.

How to Answer

Solve the question for MCQ No. and decide which option (A through D/E) is the best choice to answer the MCQ, then click/tap the blue button to view the correct answer and it explanation.

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