Insulin and C-peptide levels are important in diagnosing:
A. Glucagonomas.
B. Insulinomas.
C. Somatostatinomas.
D. Pancreatic neoplasms.
Question 2
Laboratory evidence of which protein is diagnostic of cystic fibrosis?
A. Cystic fibrosis transmembrane conductance regulator protein
B. Cystic fibrosis regulator protein
C. Cystic fibrosis sweat protein
D. All of the above