The innermost layer of the wall of the GI tract is the
A. circular muscle.
B. mucosa.
C. serosa.
D. lumen.
Answer: B
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Which statement about the absorptive system is false?
a. Cells of the intestinal tract are specialized to absorb different nutrients.
b. Fat soluble nutrients pass through villi and enter the lymph.
c. The small intestine is about 25-feet long.
d. The many folds and villi of the small intestine increase its surface area, which helps nutrient absorption.
e. If one part of the GI tract becomes dysfunctional, one’s diet should be adjusted accordingly.
The professional football star Andro "The Man" McGraw claims the dietary supplement AminoProFix helped him build muscle mass quickly and safely. His endorsement of the product is an example of ________.
A. peer review B. a testimonial C. unbiased reporting D. a scientifically valid claim
Which of the following is NOT appropriate for toddlers/preschoolers?
a. 1 cup per day of fruit juice b. 2 cups per day of milk c. >9 oz per day of soft drinks d. Water as a "thirst quencher"
Answer the following questions true (T) or false (F)
1. Twelve-year old Pierre has been diagnosed with gluten sensitivity so he needs to avoid foods which have either the GFCO or the CSA Seal of Recognition. 2. The only treatment for celiac disease is a strict, lifelong gluten-free diet. 3. Grandpa has inflamed swollen and bleeding veins in the rectum and anus so he needs to increase dietary fiber and fluid intake.