Most carbohydrate digestion occurs in the a. mouth. b. ...

[tingc95]

Most carbohydrate digestion occurs in the
 
  a. mouth.
  b. stomach.
  c. small intestine.
  d. large intestine.

Question 2

It has been proven that folate, when consumed in an adequate amount, may help prevent neural tube defects. When is it necessary to consume the folate to have this effect?
 
  A) Before conception and early in pregnancy
  B) During the second trimester of pregnancy
  C) During the third trimester of pregnancy
  D) Throughout pregnancy

[BAOCHAU2803]

Answer to Question 1

C
Most carbohydrate digestion occurs in the small intestine. Salivary amylase begins some carbo-hydrate digestion in the mouth, but this stops in the acid environment of the stomach. The sto-mach is the main site of protein digestion. Very little digestion takes place in the large intestine.

Answer to Question 2

A
Feedback:
Studies show that an adequate intake of folate before conception and during the first trimester of pregnancy reduces the risk of neural tube defects in infants.