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# Medical Student: Last week, a certain patient at this hospital weighed

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Joined: 24 Jun 2012
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Medical Student: Last week, a certain patient at this hospital weighed  [#permalink]

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06 Oct 2017, 09:11
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Difficulty:

25% (medium)

Question Stats:

74% (01:19) correct 26% (01:27) wrong based on 274 sessions

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Medical Student: Last week, a certain patient at this hospital weighed 150 lbs. Since the same patient weighs 160 lbs. today, and he appears to be much healthier than he was last week, he would be well advised to gain another ten pounds during the coming
week.

Which of the following, if true, undermines the argument above?

(A) The same scale was used to measure the patient’s weight in both instances.
(B) The patient was notified by his physician of this week’s weight gain.
(C) During the past week, the patient has eaten less food than he would normally eat.
(D) When the patient was weighed last week, an illness had caused the patient’s weight to drop ten pounds below its normal level.
(E) Quick weight loss can be hazardous to one’s health.

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Re: Medical Student: Last week, a certain patient at this hospital weighed  [#permalink]

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06 Oct 2017, 09:40
sananoor wrote:
Medical Student: Last week, a certain patient at this hospital weighed 150 lbs. Since the same patient weighs 160 lbs. today, and he appears to be much healthier than he was last week, he would be well advised to gain another ten pounds during the coming
week.

Which of the following, if true, undermines the argument above?

(A) The same scale was used to measure the patient’s weight in both instances.
This choice supports the argument

(B) The patient was notified by his physician of this week’s weight gain.
This choice supports the argument

(C) During the past week, the patient has eaten less food than he would normally eat.
Eat less food, but gain weight and be healthier. This means he was well advised. Eliminated.

(D) When the patient was weighed last week, an illness had caused the patient’s weight to drop ten pounds below its normal level.
Correct. This choice indicates that an illness had made him loss 10 pounds in weights. But how could he weigh 160 today? He may have eaten much more food. This case has undermined the argument that he is well advised.

(E) Quick weight loss can be hazardous to one’s health.
This choice is irrelevant to the argument
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Re: Medical Student: Last week, a certain patient at this hospital weighed  [#permalink]

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25 Nov 2018, 17:47
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I find all the options supporting the argument. Expert please help in solving this question
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Re: Medical Student: Last week, a certain patient at this hospital weighed  [#permalink]

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18 Mar 2019, 17:13
Background info - The person weighed 150 lbs.
Premise :- The person weighed 160 lbs and looks healthier.
Conclusion - The person would be advised to gain 10 more pounds.
We will have to weaken the argument and so prove that " The person would not well advised to gain 10 more pounds."
If we can show that the person has already reached his normal weight then we can prove that " the person would not be well advised to gain 10 more pounds"...because then he will be over weight.
Option D shows that.
D is the correct one.

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Re: Medical Student: Last week, a certain patient at this hospital weighed   [#permalink] 18 Mar 2019, 17:13
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# Medical Student: Last week, a certain patient at this hospital weighed

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