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* 2020 ck sample question
 #862637  
  jaguar12345 - 06/26/20 23:02
 
  A 3-week-old boy is brought to the physician by his mother because of a 5-day history of yellow eyes and skin and
white stools. Pregnancy and delivery were uncomplicated. The patient's temperature is 37.1C (98.8F), pulse is
160/min, respirations are 40/min, and blood pressure is 85/50 mm Hg. Examination shows diffuse jaundice.
Cardiopulmonary examination shows no abnormalities. The abdomen is nontender. The liver edge is palpated 4 cm
below the right costal margin. The spleen tip is palpated 3 cm below the left costal margin. Laboratory studies show:
Leukocyte count 10,000/mm3
Serum
Bilirubin, total 16 mg/dL
Direct 12 mg/dL
AST 800 U/L
ALT 500 U/L
Amylase 100 U/L
Which of the following is the most appropriate next step in diagnosis?
(A) Air-contrast enema
(B) Ultrasonography of the abdomen
(C) Upper gastrointestinal series
(D) Colonoscopy
(E) Esophagogastroduodenoscopy
answer is B ,, but is it biliary attesia?
 
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