Review Question - QID 212570

A patient presents to the emergency department with abdominal pain. While having dinner, the patient experienced pain that prompted the patient to come to the emergency department. The patient states that the pain is episodic and radiates to the shoulder. The patient's temperature is 98°F (36.7°C), blood pressure is 120/80 mmHg, pulse is 80/min, respirations are 13/min, and oxygen saturation is 98% on room air. Laboratory values are ordered and return as below.

Hemoglobin: 12 g/dL
Hematocrit: 36%
Leukocyte count: 4,500 cells/mm^3 with normal differential
Platelet count: 247,000/mm^3

Serum:
Na+: 140 mEq/L
Cl-: 100 mEq/L
K+: 4.6 mEq/L
HCO3-: 24 mEq/L
BUN: 15 mg/dL
Glucose: 90 mg/dL
Creatinine: 0.8 mg/dL
Ca2+: 10.0 mg/dL
AST: 11 U/L
ALT: 11 U/L

On physical exam, the patient demonstrates abdominal tenderness that is most prominent in the right upper quadrant. Which of the following represents the most likely demographics of this patient?