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  		Kaplan Qbank USMLE



   
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paba
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04/08/06 - 08:30 AM             #1

A 12-month-old child is diagnosed with an atrial septal defect.
What is the most common cause of such a congenital heart malformation?
A. Failure of formation of the septum primum
B. Failure of formation of the septum secundum
C. Incomplete adhesion between the septum primum and septum secundum
D. Malformation of the membranous interventricular septum
E. Malformation of the muscular interventricular septum

robin082006
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04/08/06 - 09:09 AM             #2

B

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sonaliraj99
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04/08/06 - 10:25 PM             #3

b??

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paba
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04/09/06 - 09:32 PM             #4

I am not sure.But in Kap.Q bank ,it says C is the answer.

r_albayunen
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04/09/06 - 11:24 PM             #5

C

aisha2
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04/10/06 - 06:14 AM             #6

C


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yasmeen
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04/10/06 - 02:49 PM             #7

C

docarchana
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09/12/06 - 06:44 PM             #8

B is the right ans..

mediocre
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09/21/06 - 03:57 PM             #9

guys , in the kap lecture the professor says that osteum secundum is formed but not long enough to provide a firm adhesion between osteum primum and and itself once the baby is born and once the pressuure in the left side rises....B

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goodyear
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09/22/06 - 12:08 AM             #10

b

lq2006
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04/11/07 - 11:03 PM             #11

C







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