A 72-year-old man presents to the emergency department with a 1 hour history of bruising and bleeding. He says that he fell and scraped his knee on the ground. Since then, he has been unable to stop the bleeding and has developed extensive bruising around the area. He has a history of gastroesophageal reflux disease, hypertension, and atrial fibrillation for which he is taking an oral medication. He says that he recently started taking omeprazole for reflux. Which of the following processes is most likely inhibited in this patient?
ASulfation
BOxidation
CFiltration
DAcetylation
EGlucuronidation
What is the primary mechanism for iron absorption in the duodenum?
ASimple diffusion
BPassive paracellular transport
CEndocytosis
DDMT1 transporter
A 42-year-old woman is brought to the emergency department because of intermittent sharp right upper quadrant abdominal pain and nausea for the past 10 hours. She has vomited 3 times. There is no associated fever, chills, diarrhea, or urinary symptoms. She has 2 children who both attend high school. She appears uncomfortable. She is 165 cm (5 ft 5 in) tall and weighs 86 kg (190 lb). Her BMI is 32 kg/m2. Her temperature is 37.0°C (98.6°F), pulse is 100/min, and blood pressure is 140/90 mm Hg. She has mild scleral icterus. On physical examination, her abdomen is soft and nondistended, with tenderness to palpation of the right upper quadrant without guarding or rebound. Bowel sounds are normal. Laboratory studies show the following: Blood Hemoglobin count 14 g/dL Leukocyte count 9,000 mm3 Platelet count 160,000 mm3 Serum Alkaline phosphatase 238 U/L Aspartate aminotransferase 60 U/L Bilirubin Total 2.8 mg/dL Direct 2.1 mg/dL Which of the following is the most appropriate next step in diagnosis?
AEndoscopic retrograde cholangiopancreatography (ERCP)
BSupine and erect X-rays of the abdomen
CComputed tomography (CT) scan of the abdomen
DHepatobiliary iminodiacetic acid (HIDA) scan of the biliary tract
ETransabdominal ultrasonography
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