A deficiency of which of the following nutrients is the leading cause of blindness worldwide?
A) Protein
B) Thiamin
C) Iron
D) Vitamin D
E) Vitamin A
Question 2
Which drug suppresses glucagon secretion and delays stomach emptying?
a. biguanides
b. sulfonylureas
c. dopamine agonists
d. acarbose
e. amylin analogs