A 16-year-old girl presents to her gastroenterologist with severe, crampy, abdominal pain and intermittent nonbloody diarrhea. She has also had unexpected weight loss over the past few months. She also reports having irritating sores in her mouth. On exam, she is noted to have aphthous sores on the bucca mucosal, and skin tags around the anus. A colonoscopy a week later shows cobblestone mucosa and non-contiguous involvement of the small intestine, suggesting a diagnosis of ___________

____________ provide first line of defense against change in the pH

FEV1/FVC ratio_____________ in COPD    

The following histopathology of lymph node biopsy is diagnostic for _____________    

A catheter associated urinary tract infection (CAUTI) is an example of what type of disease/illness? 

Serum amylase and lipase are typically elevated in _____________

The best interpretation of this arterial blood gas ( pH=7.43, PCO2=22, PO2=110, HCO3=14) is    

In the following diagram, letter ___________ indicates tidal volume.   

A 64-year-old male patient develops pernicious anemia after chronic gastritis. Which on the following is the most likely cause of this patient’s problem?

Renal failure  causes ________________