15. Mr. Tommy Clark, a 5-year-old boy is brought to the emergency department after ingesting liquid drain cleaner. The boy was left unattended while his baby-sitter was on the telephone. The boy is hoarse and has obvious stridor. What is the most appropriate initial treatment for this patient?
a. Antibiotics
b. Corticosteroids
c. Induction of vomiting with ipecac
d. Placement of nasogastric tube and lavage
e. Tracheostomy
16. Michael, a 76-year-old man with a history of vague right upper quadrant pain, a 25-lb weight loss, and anorexia presents to his primary care physician for evaluation. Physical examination reveals scleral icterus. Abdominal examination reveals a right upper quadrant mass. Kidney, ureter, and bladder (KUB) reveals a circular calcification in the right upper quadrant. Exploratory laparotomy reveals a neoplastic process involving the gallbladder and liver. What is the most likely pathology causing this condition?
a. Adenocarcinoma
b. Sarcoma
c. Squamous cell carcinoma
d. Transitional cell carcinoma
e. Tuberculosis granuloma
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