Useful Protein Drugs, such as Insulin, must Still be Administered by the Cumbersome GMAT Critical Reasoning

Question: Useful protein drugs, such as insulin, must still be administered by the cumbersome procedure of injection under the skin. If proteins are taken orally, they are digested and cannot reach their target cells. Certain nonprotein drugs, however, contain chemical bonds that are not broken down by the digestive system. They can, thus, be taken orally.

The statements above most strongly support a claim that a research procedure that successfully accomplishes which of the following would be beneficial to users of protein drugs?

(A) Coating insulin with compounds that are broken down by target cells, but whose chemical bonds are resistant to digestion
(B) Converting into protein compounds, by procedures that work in the laboratory, the nonprotein drugs that resist digestion
(C) Removing permanently from the digestive system any substances that digest proteins
(D) Determining, in a systematic way, what enzymes and bacteria are present in the normal digestive system and whether they tend to be broken down within the body
(E) Determining the amount of time each nonprotein drug takes to reach its target cells.

“Useful protein drugs, such as insulin, must still be administered by the cumbersome procedure of injection under the skin” – is a GMAT Critical question. To answer the question, a candidate can by either finding a piece of evidence that would weaken the argument or logical flaws in the argument. GMAT critical reasoning tests the logical and analytical skills of the candidates. This topic requires candidates to find the strengths and weaknesses of the argument, or find the logical flaw in the argument. The GMAT CR section contains 10 -13 GMAT critical reasoning questions out of 36 GMAT verbal questions.

Answer: A
Explanation: GMAT critical reasoning tests the reasoning skills along with the candidate's logical and analytical thinking abilities. The candidate has to deduce the correct option by finding the logically correct argument.

Let us check an assumption on which the argument depends:

A) If this were fulfilled, insulin( a protein medicine) could pass through the digestive system without being broken down. The insulin could therefore reach its target cells indeed if taken orally. presently, this isn't possible, and thus insulin druggies must fit the medicine under the skin. This accomplishment would allow insulin druggies to take the insulin orally rather than with an injection. Therefore, insulin druggies could avoid the clumsy procedure of injection and rather use a more accessible system( i.e. swallowing a lozenge). This would clearly be salutary to druggies of protein medicines( i.e. insulin druggies). A is the correct choice.

B) The non protein medicines presently repel digestion. However, they might NOT be suitable to pass through the digestive system without being broken down. If those medicines are converted into protein composites. That means they would have to be fitted rather than taken orally. This'' accomplishment" might be mischievous to nonprotein medicine drugs. Anyhow, it clearly doesn't help protein medicine druggies, so B can not be the correct answer.

C) The protein medicines CAN pass through the digestive system and still reach their target cells, and this is a benefit for protein medicine druggies. But now their digestive systems can not reuse proteins. In order to achieve that benefit, we have to compromise the normal, healthy functioning of the digestive system. Choice( A), on the other hand, represents a clear benefit with no apparent negative consequences. ( A) is a much better answer, so C is wrong.

D) This might give some intriguing information about enzymes and bacteria, but how will that help protein medicine druggies? Maybe that information could ever lead to a further development that ever benefits protein medicine drugs. But, by itself, the accomplishment cited in choice( D) doesn't help protein medicine drugs. D can not be the correct choice.

E) This might be intriguing data, but it doesn't directly help protein medicine druggies. Again, it's possible that this information might lead to an unborn medical advancement that ever helps protein drugs. But this specific accomplishment doesn't help protein medicine drugs. E is the correct answer.

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