A patient reports recurrent abdominal pain associated with changes in stool frequency for over 6 months. Colonoscopy and labs are normal. Which diagnosis is most likely?

Which laboratory test is most sensitive and specific for acute pancreatitis?

A patient with small intestinal damage has decreased villi and microvilli. What is the primary physiological consequence?

Which characteristic best distinguishes hepatitis C infection?

Which neurotransmitters are affected in those who have anxiety?

A patient with Hepatitis B presents to your office. He wants to know how Hepatitis B is transmitted and you advise him of the following:

A patient tests positive for anti-HCV antibodies. What is the next step to confirm active infection?

During thoracic surgery, a resident accidentally disrupts the outer layer of the pleura. Which structure has most likely been compromised?

A tall, thin 22-year-old male suddenly develops sharp chest pain and shortness of breath. Examination reveals absent breath sounds on the right side. Which mechanism most likely explains the patient’s condition?

A patient with a 40-pack-year smoking history reports productive cough for 4 months each year for the past 3 years. Lung exam reveals rhonchi and wheezing. Which mechanism contributes most to this disease?