Find all School-related info fast with the new School-Specific MBA Forum

It is currently 17 Sep 2014, 14:07

Close

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

Black Americans are, on the whole, about twice as likely as

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Manager
Manager
avatar
Joined: 30 Aug 2005
Posts: 187
Followers: 1

Kudos [?]: 0 [0], given: 0

Black Americans are, on the whole, about twice as likely as [#permalink] New post 02 Dec 2005, 04:37
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
. Black Americans are, on the whole, about twice as likely as White Americans to develop high blood pressure. This likelihood also holds for westernized Black Africans when compared to White Africans.
Researchers have hypothesized that this predisposition in westernized Blacks may reflect an interaction between western high-salt diets and genes that adapted to an environmental scarcity of salt.
Which of the following statements about present-day, westernized Black Africans, if true, would most tend to confirm the researchers’ hypothesis?
(A) The blood pressures of those descended from peoples situated throughout their history in Senegal and Gambia, where salt was always available, are low.
(B) The unusually high salt consumption in certain areas of Africa represents a serious health problem.
(C) Because of their blood pressure levels, most White Africans have markedly decreased their salt consumption.
(D) Blood pressures are low among the Yoruba, who, throughout their history, have been situated far inland from sources of sea salt and far south of Saharan salt mines.
(E) No significant differences in salt metabolism have been found between those people who have had salt available throughout their history and those who have not.
Manager
Manager
avatar
Joined: 30 Aug 2005
Posts: 187
Followers: 1

Kudos [?]: 0 [0], given: 0

CR: ranking of hospitals [#permalink] New post 02 Dec 2005, 04:38
Lists of hospitals have been compiled showing which hospitals have patient death rates exceeding the national average. The data have been adjusted to allow for differences in the ages of patients.
Each of the following, if true, provides a good logical ground for hospitals to object to interpreting rank on these lists as one of the indices of the quality of hospital care EXCEPT:
(A) Rank order might indicate insignificant differences, rather than large differences, in numbers of patient deaths.
(B) Hospitals that keep patients longer are likely to have higher death rates than those that discharge patients earlier but do not record deaths of patients at home after discharge.
(C) Patients who are very old on admission to a hospital are less likely than younger patients to survive the same types of illnesses or surgical procedures.
(D) Some hospitals serve a larger proportion of low-income patients, who tend to be more seriously ill when admitted to a hospital.
(E) For-profit hospitals sometimes do not provide intensive-care units and other expensive services for very sick patients but refer or transfer such patients to other hospitals.
Director
Director
avatar
Joined: 24 Oct 2005
Posts: 662
Location: London
Followers: 1

Kudos [?]: 6 [0], given: 0

GMAT Tests User
Re: CR: high salt diet [#permalink] New post 02 Dec 2005, 08:47
rianah100 wrote:
. Black Americans are, on the whole, about twice as likely as White Americans to develop high blood pressure. This likelihood also holds for westernized Black Africans when compared to White Africans.
Researchers have hypothesized that this predisposition in westernized Blacks may reflect an interaction between western high-salt diets and genes that adapted to an environmental scarcity of salt.
Which of the following statements about present-day, westernized Black Africans, if true, would most tend to confirm the researchers’ hypothesis?
(A) The blood pressures of those descended from peoples situated throughout their history in Senegal and Gambia, where salt was always available, are low.
(B) The unusually high salt consumption in certain areas of Africa represents a serious health problem.
(C) Because of their blood pressure levels, most White Africans have markedly decreased their salt consumption.
(D) Blood pressures are low among the Yoruba, who, throughout their history, have been situated far inland from sources of sea salt and far south of Saharan salt mines.
(E) No significant differences in salt metabolism have been found between those people who have had salt available throughout their history and those who have not.

A for this. Only this compares the blood pressure levels of black people in America originally from Africa where salt is low.
Director
Director
avatar
Joined: 24 Oct 2005
Posts: 662
Location: London
Followers: 1

Kudos [?]: 6 [0], given: 0

GMAT Tests User
Re: CR: ranking of hospitals [#permalink] New post 02 Dec 2005, 08:48
rianah100 wrote:
Lists of hospitals have been compiled showing which hospitals have patient death rates exceeding the national average. The data have been adjusted to allow for differences in the ages of patients.
Each of the following, if true, provides a good logical ground for hospitals to object to interpreting rank on these lists as one of the indices of the quality of hospital care EXCEPT:
(A) Rank order might indicate insignificant differences, rather than large differences, in numbers of patient deaths.
(B) Hospitals that keep patients longer are likely to have higher death rates than those that discharge patients earlier but do not record deaths of patients at home after discharge.
(C) Patients who are very old on admission to a hospital are less likely than younger patients to survive the same types of illnesses or surgical procedures.
(D) Some hospitals serve a larger proportion of low-income patients, who tend to be more seriously ill when admitted to a hospital.
(E) For-profit hospitals sometimes do not provide intensive-care units and other expensive services for very sick patients but refer or transfer such patients to other hospitals.

A for this as well.
POE - everything else seems right.
SVP
SVP
User avatar
Joined: 16 Oct 2003
Posts: 1816
Followers: 4

Kudos [?]: 36 [0], given: 0

GMAT Tests User
 [#permalink] New post 02 Dec 2005, 09:24
1. D
2. A
Manager
Manager
avatar
Joined: 30 Aug 2005
Posts: 187
Followers: 1

Kudos [?]: 0 [0], given: 0

 [#permalink] New post 03 Dec 2005, 13:11
OA is A. But I picked D because I thought the whole point was that salt was unavailable to original african blacks from africa.
Manager
Manager
avatar
Joined: 23 Apr 2005
Posts: 209
Followers: 1

Kudos [?]: 3 [0], given: 0

GMAT Tests User
 [#permalink] New post 04 Dec 2005, 00:08
1: D.
The author concludes that high salt-diet --> high blood pressure:
D support this conclusion by stating that with a low salt diet, the Yoruba had a very low blood pressure.

2: C
Because The data have been adjusted to allow for differences in the ages of patients: C states information regarding age which is eliminated in the data.
Thus C is the best.
Senior Manager
Senior Manager
avatar
Joined: 11 May 2004
Posts: 460
Location: New York
Followers: 1

Kudos [?]: 9 [0], given: 0

GMAT Tests User
 [#permalink] New post 04 Dec 2005, 09:06
I was down to A and D and I picked D because it is about the past people.

Can you provide OE please?

rianah100 wrote:
OA is A. But I picked D because I thought the whole point was that salt was unavailable to original african blacks from africa.
Intern
Intern
avatar
Joined: 03 Jun 2005
Posts: 26
Followers: 0

Kudos [?]: 0 [0], given: 0

Re: CR: high salt diet [#permalink] New post 04 Dec 2005, 12:52
[quote="rianah100"]. Black Americans are, on the whole, about twice as likely as White Americans to develop high blood pressure. This likelihood also holds for westernized Black Africans when compared to White Africans.
Researchers have hypothesized that this predisposition in westernized Blacks may reflect an interaction between western high-salt diets and genes that adapted to an environmental scarcity of salt.
Which of the following statements about present-day, westernized Black Africans, if true, would most tend to confirm the researchers’ hypothesis?
(A) The blood pressures of those descended from peoples situated throughout their history in Senegal and Gambia, where salt was always available, are low.
(B) The unusually high salt consumption in certain areas of Africa represents a serious health problem.
(C) Because of their blood pressure levels, most White Africans have markedly decreased their salt consumption.
(D) Blood pressures are low among the Yoruba, who, throughout their history, have been situated far inland from sources of sea salt and far south of Saharan salt mines.
(E) No significant differences in salt metabolism have been found between those people who have had salt available throughout their history and those who have not.[/quote]
==========
Got A here.
The question basically says, that the conclusion is based on the fact that 'an interaction between western high-salt diets and genes that adapted to an environmental scarcity of salt'.
A supports this by saying that there is evidence to this fact.
Manager
Manager
avatar
Joined: 30 Aug 2005
Posts: 187
Followers: 1

Kudos [?]: 0 [0], given: 0

 [#permalink] New post 06 Dec 2005, 04:36
I don't know what "OE" means. But if it means Officical Explanation, don't have any, this is from 1000CR :?
  [#permalink] 06 Dec 2005, 04:36
    Similar topics Author Replies Last post
Similar
Topics:
2 Black Americans are, on the whole, about twice as likely as Practicegmat 5 26 Oct 2011, 19:19
Black Americans are, on the whole, about twice as likely as dvs112 7 12 Apr 2005, 13:17
Black Americans are, on the whole, about twice as likely as karun_aggarwal 3 12 Apr 2005, 10:32
Black Americans are, on the whole, about twice as likely as karun_aggarwal 7 12 Apr 2005, 10:30
Black Americans are, on the whole, about twice as likely as swath20 3 04 Feb 2005, 08:28
Display posts from previous: Sort by

Black Americans are, on the whole, about twice as likely as

  Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Privacy Policy| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group and phpBB SEO

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.