Page 1 of 4: MCQs-Challenge 2006!!

superashdoc · Credits: 25954 My Scrapbook My Reading List 56 Books

Hi here are some tough MCQs which stumped me

.I am sure some of you could take up the challenge of answering them.Explanations are most welcome

.

superashdoc · Credits: 25954 My Scrapbook My Reading List 56 Books

A 7 year old boy is admittedto a hospital for evaluation of vomitting and dehydration.Physical exmination is otherwise normal except for a minimal hyperpigmentation around the pages .Seum Na and K concentrations are 10meq/l and 9meq/l resp.The most likely diagnosis is
1)congenital adrenal hyperplasia
2)panhypopituitarism
3)Secondary hypothyroidism
4)Hyperaldosteronism
5)pyloric stenosis

superashdoc · Credits: 25954 My Scrapbook My Reading List 56 Books

A child of 4yrs ,constipation from 6 months of age.Passes hard bulky on 3rd or 4th day.Rectal examination reveals ampula dilated and faeces present.Most likely diagnosis is
a)Hirschsprung's disease
b)Ca.Colon
c)functional constipation
d)congenital hypothyroidism

ujwals · Credits: 4860 My Scrapbook

q1-1cah

q2-1hd ampula dilation sugests obstruction

sabkhan · Credits: 2782 My Scrapbook

Q 1: CAH.

Q 2: HIRSCHSPRUNG'S DISEASE

sabkhan · Credits: 2782 My Scrapbook

Q 2 CONGENITAL HYPOTHROIDISM??

sarasu · Credits: 4755 My Scrapbook

any explanations plz

superashdoc · Credits: 25954 My Scrapbook My Reading List 56 Books

Yes guys could u give some explanations?

sangi · Credits: 1717 My Scrapbook

ans is functional constipation here are few diff b/w hirsch and func
functional hirsch
1 onset usually after2 yr at birth
2.encopresis common very rare
3 failure to thrive uncommon common
4. anal tone normal normal
5.rectal examination stool in ampula ampulla empty
6.ano rectal manomet distension of rectum causes paradoxical increase in
relx of internal sphinter pressure
7.barium enema massive amount of stools TRANSITION ZONE
NO TRASITION ZONE
8.rectal bioosy normal no ganglion cells , i increased acetylchol

sangi · Credits: 1717 My Scrapbook

sorry yaar sare explanation ki formatting hi change ho gaye
hope you could understand the differances
in case of any confusion do write again
regarding other question Na of 10 meq does not make any sense as life is not possible below 110
please see if there is some typing error

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