What may happen if the lower esophageal sphincter is not closed tight enough after eating?
a. Heartburn
b. High blood pressure
c. Burping
d. Hiccups
e. Diarrhea
Question 2
Vitamin-responsive forms of methylmalonic acidemia are treated with pharmacological amounts of what vitamin?
a. biotin
b. B12
c. B6
d. riboflavin
e. thiamin