For first Q its B
if you suspect B12 deficiency..........this one looks correct
hi every body I need NBME question please help me emanooelo
1 is still making me think D.....could work-up w/ TSH , T4...
19) chronic granulomatous disease , X-linked hence his maternal uncle was affected.
"In patients with CGD, white cells can move and phagocytose normally but cannot kill intracellular bacteria. This impairment is due to an inability of phagocytes to form reactive oxygen intermediates."
http://emedicine.medscape.com/article/96...erview#a30
For Q 19.... It is recurrent infection with Staphylococcus Aureus. It's a catalase positive organism.
Susceptibility to catalase positive organism infection increases in immune deficiency disorder characterized by defective phagocytic oxidative mechanism.