USMLE Forum Archives - USMLE Step 1 - Behavioural science
Behavioural science
zoah2005 - 08-09-09 04:21 Bookmark and Share

Parents of a 3 yr old child bring him to your office and tell u that he is very quite , he does not play with his brother and does not respond appropriately to anyone , he speaks a language which we cannot understand,after thorough physical exam and psychiatric evaluation u diagnose the patient as autistic , whats the most likely pathophysiologic cause of this disorder?






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#1
Re: Behavioural science
bqasha - 08-09-09 09:13

My answer is: b.

#2
Re: Behavioural science
conym5 - 08-09-09 11:16

My answer is: a.

#3
Re: Behavioural science
drhumaira - 08-09-09 12:17

My answer is: b.

#4
Re: Behavioural science
bingousmle - 08-09-09 12:19

My answer is: a.

#5
Re: Behavioural science
chitori - 08-09-09 18:21

My answer is: b.

#6
Re: Behavioural science
seanne - 08-09-09 19:48

My answer is: b.

#7
Re: Behavioural science
ramya123 - 08-09-09 20:42

My answer is: b.

#8
Re: Behavioural science
emanooel - 08-09-09 21:54

My answer is: b.

#9
Re: Behavioural science
reksarma - 08-11-09 12:31

My answer is: b.

#10
Re: Behavioural science
kauser - 08-11-09 17:31

My answer is: b.

#11
Re: Behavioural science
sweety - 08-11-09 18:08

My answer is: b.

#12
Re: Behavioural science
saleem - 08-12-09 00:52

My answer is: b.

#13
Re: Behavioural science
aja911 - 08-12-09 23:31

My answer is: a.

#14
Re: Behavioural science
oxanamichael - 08-13-09 01:44

My answer is: b.

#15
Re: Behavioural science
slavic - 08-13-09 13:53

My answer is: d.

#16
Re: Behavioural science
doczuzu - 08-13-09 18:44

My answer is: b.

#17
Re: Behavioural science
medguy - 08-18-09 18:08

My answer is: c.

#18
Re: Behavioural science
yoaniaq - 08-19-09 00:00

My answer is: b.

#19
Re: Behavioural science
akankshalisa - 08-19-09 11:43

My answer is: c.

#20
Re: Behavioural science
mtniharika - 09-11-09 12:20

My answer is: b.

#21
Re: Behavioural science
ahalya - 10-10-09 04:30

My answer is: a.

#22
Re: Behavioural science
drayazmomin - 10-27-09 13:07

My answer is: b.

#23
Re: Behavioural science
sohail01 - 10-28-09 08:42

My answer is: b.

#24
Re: Behavioural science
usmle123 - 10-29-09 18:45

My answer is: a.

#25
Re: Behavioural science
yas420 - 10-31-09 08:13

My answer is: c.

#26
Re: Behavioural science
usmlefever3 - 10-31-09 09:52

My answer is: b.

#27
Re: Behavioural science
chimson2000 - 10-31-09 16:53

My answer is: a.

#28
Re: Behavioural science
omaran - 10-31-09 23:30

My answer is: c.

#29
Re: Behavioural science
hanan2009el - 10-31-09 23:37

My answer is: c.

#30
Re: Behavioural science
positivebrain - 10-31-09 23:58

My answer is: e.

#31
Re: Behavioural science
christelle - 11-01-09 09:37

My answer is: c.

#32
Re: Behavioural science
ysemak - 11-02-09 18:19

My answer is: a.

#33
Re: Behavioural science
soon2b - 11-03-09 11:54

My answer is: e.

#34
Re: Behavioural science
sajjad - 11-04-09 02:27

My answer is: b.

#35
Re: Behavioural science
rishav - 11-04-09 07:53

My answer is: b.

#36
Re: Behavioural science
amaniagz - 11-04-09 10:46

My answer is: b.

#37
Re: Behavioural science
redmes - 11-04-09 21:31

My answer is: b.

#38
Re: Behavioural science
sripurandar - 11-06-09 08:28

My answer is: a.

#39
Re: Behavioural science
nadi12 - 11-15-09 20:47

My answer is: b.

#40
Re: Behavioural science
sindhu1234 - 11-17-09 01:49

My answer is: c.

#41
Re: Behavioural science
kamar865 - 11-17-09 13:59

My answer is: e.

#42
Re: Behavioural science
fas148 - 11-17-09 17:42

My answer is: b.

#43
Re: Behavioural science
alcarajovete - 11-17-09 19:44

My answer is: e.

#44
Re: Behavioural science
gemininan - 11-18-09 02:50

My answer is: a.

#45
Re: Behavioural science
monika - 11-19-09 15:48

My answer is: c.

#46
Re: Behavioural science
abhi384 - 11-22-09 10:56

My answer is: a.

#47
Re: Behavioural science
shwethinzar07 - 11-23-09 01:58

My answer is: b.

#48
Re: Behavioural science
medusmle01 - 12-14-09 09:51

My answer is: d.

#49
Re: Behavioural science
conym5 - 12-14-09 11:50

Autistic spectrum disorder has been associated with abnormal neuroanatomy in many imaging and neuropathological studies. Both global brain volume differences and differences in the size of specific neural structures have been reported. A local decrease in grey matter volume was found in the right thalamus. A decrease in global white matter volume in the ASD group did not reach significance.

#50
Re: Behavioural science
jordanrobin - 12-14-09 13:38

My answer is: c.

#51
Re: Behavioural science
cpadoc - 12-14-09 16:50

My answer is: e.

#52
Re: Behavioural science
nandi85 - 12-15-09 11:59

My answer is: b.

#53
Re: Behavioural science
shahad - 01-05-10 01:45

My answer is: e.

#54
Re: Behavioural science
sabasabamasood - 01-05-10 20:43

My answer is: b.

#55
Re: Behavioural science
moyoah - 02-02-10 07:58

My answer is: c.

#56
Re: Behavioural science
nelomoore - 02-05-10 18:32

My answer is: a.

#57
Re: Behavioural science
wisedom - 02-05-10 18:37

My answer is: a.


yes

#58
Re: Behavioural science
neeruneeru1818 - 02-08-10 23:33

My answer is: e.

#59
Re: Behavioural science
javeria - 02-08-10 23:50

My answer is: a.

#60
Re: Behavioural science
yazan975 - 02-09-10 05:51

My answer is: e.

#61
Re: Behavioural science
drumesh - 02-09-10 08:19

My answer is: d.

#62
Re: Behavioural science
leminesow - 02-09-10 08:54

My answer is: c.

#63
Re: Behavioural science
smiles - 02-15-10 00:51

My answer is: a.

#64
Re: Behavioural science
bihnan - 02-16-10 17:49

My answer is: b.

#65
Re: Behavioural science
hhyeemee - 02-16-10 20:18

My answer is: b.

#66
Re: Behavioural science
momytu - 02-16-10 20:28

My answer is: b.

#67
Re: Behavioural science
kundan - 03-31-10 07:09

My answer is: c.

#68
Re: Behavioural science
alialhilli - 04-11-10 22:34

My answer is: b.

#69
Re: Behavioural science
hanytadres - 04-12-10 18:22

My answer is: b.

#70
Re: Behavioural science
neelam - 04-13-10 01:22

My answer is: b.

#71
Re: Behavioural science
babbu5508 - 04-13-10 02:42

My answer is: b.


Autism is a disorder of neural development characterized by impaired social interaction and communication, and by restricted and repetitive behavior. These signs all begin before a child is three years old

#72
Re: Behavioural science
pingpong20 - 04-25-10 12:10

My answer is: b.

#73
Re: Behavioural science
luckyveda - 05-07-10 06:59

My answer is: b.

#74
Re: Behavioural science
sam1971 - 05-07-10 16:36

My answer is: e.

#75
Re: Behavioural science
leenamathew1 - 05-21-10 15:12

My answer is: a.

#76
Re: Behavioural science
deal1984 - 05-21-10 16:53

My answer is: e.

#77
Re: Behavioural science
samyou - 05-21-10 18:08

My answer is: b.

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