NBME#1 block 1 Q31-----------Q40 - maryam2009

[ArchivalUser]

please choose and answer the Qs in order from 31 to 40 with a brief explanation.

[ArchivalUser]

Q31.D
Hemolytic-uremic syndrome (or haemolytic-uraemic syndrome, abbreviated HUS) is a disease characterized by hemolytic anemia, acute renal failure (uremia) and a low platelet count (thrombocytopenia). It predominantly but not exclusively affects children. Most cases are preceded by an episode of diarrhea caused by E. coli O157:H7, which is acquired as a foodborne illness
A fully developed vascular lesion consists of amorphous-appearing, hyalinelike, thrombi-containing platelet aggregates and a small amount of fibrin that partially or fully occludes the involved small vessels

emedicine

[ArchivalUser]

Q32.D
many common disease exhibit multifactorial inheritance

[ArchivalUser]

Q33?

[ArchivalUser]

Q33. A.

Vaginal discharge. Differential diagnosis: Candida, Trichomonas, Vaginosis.

DM 1 + Vaginal discharge > Candida. (you don't need the picture )

Picture shows pseudo hyphae.

[ArchivalUser]

Thanks for the answer and your cooperation,
If everyone picks just 2-3 Q's,we can review all NBME's form with the valuable explanation quickly.

[ArchivalUser]

Q34. H. Prion.

Q35. A.
NO is synthesized through Arginine in the presence of BH4.
giving COMPETITIVE inhibitor will slow down the reaction.

You overcome COMPETITIVE inhibitor by increasing the substrate, which is here, Arginine, to displace the inhibitor from the active enzyme site.

[ArchivalUser]

Q36.E
Esophageal Varices,showing many linear -oriented dilated and tortuous veins in the submucosa of the distal esophagus.
portal hypertension dilates left gastric veins.endoscopy most important diagnostis procedure

DD with
1.Mallory -Weiss syndrome:
mucusal tear in the proximal stomatch and distal sophagus due to severe retching in alcoholics or bulimia and causes hemateesis

2.Boerhaave's syndrome:
rupture of the distal esophagus due to endoscopy,retching and bulimia ...>complications...Pneumomediastinum and plural effusion contains food ,acid,amylase

[ArchivalUser]

Q37.A
What kind of Disease does she have?

[ArchivalUser]

please some one explain about the reason of this young woman's disease